tag:blogger.com,1999:blog-59688308297670594632024-03-19T00:23:38.514-07:00HomeMade DIY HowTo MakeAdminhttp://www.blogger.com/profile/14877084041729340018noreply@blogger.comBlogger750125tag:blogger.com,1999:blog-5968830829767059463.post-22526637100195801352019-03-31T09:38:00.000-07:002019-04-14T00:19:37.863-07:00Simple 4G LTE signal booster / amplifier that finally worksThe components are purchased cheaply and yet the circuit is also very simple. This is my first prototype 4G LTE indoor signal booster that I am currently building to solve the slow internet connection that I've experience for so long.<br />
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In the past 9 years streamyx internet connection has been doing unfair capped bandwidth at 2 Mbps and yet the reality performing only around 0.5 Mbps ~ 1 Mbps and the connection keeps on turning on and off. Then I go for DiGi 4G LTE 100 GB internet package that comes with the HuaWei WiFi mobile modem - it's doing alright with signal strength around 1 to 2 bar performing at 3 Mbps and below. I guess anyone out there using Digi Internet experiencing almost the same day in day out. I am pretty sure of that unless your house is located next to the Cell Tower station.<br />
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<div>Based on the android signal software analysis the DiGi could actually provide up to 72 Mbps super fast connection but that's probably if the device is placed right on the cell tower microwave antenna which is not going to happen. In reality we will get around 1 Mbps ~ 3 Mbps and sometimes 5 Mbps depending on the proximity between the device (mobile phone) to the cell tower distance. That speed usually linger around -107 dBm to -101 dBm which is below average. This happens usually when you are inside the house.</div><div><br />
</div><div>Signal Strength Analysis based on LTE discovery android software:</div><div><br />
</div><div>-107 dBm to -101 dBm = 1 Bar</div><div>-99 dBm to -90 dBm = 2 Bar</div><div>- 89 dBm to 80 dBm = 3 Bar</div><div>- 70 dBm and below full bar</div><div><br />
</div><div>Which means the higher the negative value the weaker is the signal strength otherwise the lower the negative value is the stronger the signal strength.</div><div><br />
</div><div>Having said all that I've made quite sometimes of research to build antenna amplifier / booster for the HuaWei modem to get better signal that it is currently receiving. And here comes the final prototype running on 20 Mhz crystal to modulate the weaker signal into 20 Mhz output.</div><div><br />
</div><div>The following are the components:</div><div><br />
</div><div>20 Mhz Crystal Oscillators</div><div>Coupled Inductor 20 mH</div><div>Air core inductor 2.5 Turns</div><div>2 x Input antennas (to harvest signal from surrounding environment)</div><div>1 x Output signal to transmit / broadcast the signal to the HuaWei modem</div><div><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVN-lZwG-CU8VnvFgAAK5G64SDfFcwafNP0KjgKcAHpaqabzRxAzdjULAWukDpI-YsfKnnx2eqgTJ-a9gebTtDxjKpSPDovY17AKB1AfW2lQYe7_jvyfTIcsu23GfstPsEl4U_-FJS07Y/s1600/20+Mhz+Crystal+Oscillators+DIY+WeBoost+4G+Booster.jpg" imageanchor="1"><img border="0" data-original-height="342" data-original-width="776" height="176" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVN-lZwG-CU8VnvFgAAK5G64SDfFcwafNP0KjgKcAHpaqabzRxAzdjULAWukDpI-YsfKnnx2eqgTJ-a9gebTtDxjKpSPDovY17AKB1AfW2lQYe7_jvyfTIcsu23GfstPsEl4U_-FJS07Y/s400/20+Mhz+Crystal+Oscillators+DIY+WeBoost+4G+Booster.jpg" width="400" /></a><br />
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src="https://www.youtube.com/embed/yJg65qYpDnw"
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Despite the circuit output only 20 Mhz but there is quite significant impact of it to the HuaWei Modem signal - as you can see in the video demonstration it could amplify up to 4 bars signal which increase the internet speed within 9 Mbps to 15 Mbps range. And the signal strength is very consistent as oppose to without the amplifier circuit. <br />
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NOTE: When signal is very weak within your area - the modem signal strength sensitivity becomes very high which means a slight movement and placement (angle) of the modem could effect the signal strength significantly. That's why if you found a good spot and position where the signal is very strong take note of it because the rest of other positions / placement could be very bad. In this circuit do not place the transmitting antenna too close to the modem because the signal output will over powered the modem input signal. Placing too far is also not good because the signal cannot reach the modem. In my case i purchased special made 4G LTE antenna with two coil on the antenna and placed it within 7 cm away from the modem. This is the best distance that i have experimented. I believe different antenna could possibly emitting different signal strength - so self experimentation is required how far it is from the modem.<br />
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To ensure your circuit works - test using a multimeter with the Hertz mode. The crystal should transmit / oscillate around 8 Mhz ~ 12 Mhz at the output and the ground of the crystal should generate around 2 Mhz ~ 4 Mhz. If anything lower than this it could affect the signal strength - please experiment at your own discretion. Connect only the output connection to the output antenna and do not connect the ground because it will provide a constant frequency 20 Mhz. A constant frequency is not good and you must allow it to oscillate to emit the RF signal.<br />
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<span style="color: white;">Cheap WeBoost 4G LTE Booster | Homemade WeBoost 4G Booster | DIY WeBoost Mobile Amplifier | Cheap RF Amplifier | Homemade simple mobile signal booster | hiboost, surecall, verizon, tmobile, wilson booster </span>Unknownnoreply@blogger.com31tag:blogger.com,1999:blog-5968830829767059463.post-29906624909567464552019-03-31T09:24:00.000-07:002019-04-14T09:32:03.777-07:00How to make simple powerful (high voltage) taser (stun gun) - DIYUsing very cheap and little components (high voltage transformer + 18650 battery holder + 2 plug pin) you can make a very powerful stun gun (taser) for self-defense. All the material combined is less than $10 USD to buy them all. The high voltage transformer claimed to generate around 400,000 volts from 3.7 battery - although this might not be exactly true the transformer is quite powerful indeed. The spark/arc generate very loud clapping sound which can shock someone painfully.<br />
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This is a really easy project and using common materials that you can find in the electronic shop except for the high voltage generator which you need to buy from eBay. However please be reminded the device can hurt someone really bad - so don't use it on anyone for playing.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjsEKenVByApOF9fEq34xpGv1lxn3u8kDPtNDJSG5h_mgDCP_-wKUmli-cEMPWvpJ55MglmiL688xupy5n0VJzagLNT5eAHuabM8pMaUFLND95eejR8ZFkJBHgFCa0I7A4QlG8V6SFcSA/s1600/DIY+Stun+Gun.jpeg" imageanchor="1"><img border="0" height="299" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjsEKenVByApOF9fEq34xpGv1lxn3u8kDPtNDJSG5h_mgDCP_-wKUmli-cEMPWvpJ55MglmiL688xupy5n0VJzagLNT5eAHuabM8pMaUFLND95eejR8ZFkJBHgFCa0I7A4QlG8V6SFcSA/s400/DIY+Stun+Gun.jpeg" width="400" /></a><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj17pzseOfEzs8ZMLlXCcHRvMkfrNIOPSMh9IaaDjgKU4U4i7jjUqqSn_72yX6gMSB_NZ6S2v7v9ln3NXTCgIdx8Pkaijizj6l2oWhB655yzPG2-qa4UsyREQ7T7T5sQ7XR9GfurWrjhog/s1600/DIY+Taser.jpeg" imageanchor="1"><img border="0" height="299" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj17pzseOfEzs8ZMLlXCcHRvMkfrNIOPSMh9IaaDjgKU4U4i7jjUqqSn_72yX6gMSB_NZ6S2v7v9ln3NXTCgIdx8Pkaijizj6l2oWhB655yzPG2-qa4UsyREQ7T7T5sQ7XR9GfurWrjhog/s400/DIY+Taser.jpeg" width="400" /></a><br />
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<span style="color: white;">DIY Taser | How to make crazy powerful stun gun | Cheap Taser | Powerful Homemade taser | High voltage homemade stun gun | 3.7 volt to 400,000 volt stun gun | step by step $5 dollars taser | how to make self defense weapon | membuat senjata bela diri | cheap homemade taser | make extremely powerful taser | how to make stungun tutorial</span>Adminhttp://www.blogger.com/profile/14877084041729340018noreply@blogger.com7tag:blogger.com,1999:blog-5968830829767059463.post-16553948152524286032019-03-31T07:14:00.000-07:002019-04-14T09:38:11.416-07:00Simple Easy 3.7 Volts DC to 3000 Volts AC - Power Moseft IRFZ48NA simple circuit to convert 3.7 Volt DC battery to 3000 Volts AC using fast switching power mosfet IRFZ48N. The transformer is salvaged from faulty power supply with center tap primary. The component is very simple and easy to put together<br />
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The DC to AC circuit<br />
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1 x 1000 Ohm Resistor<br />
1 x IRFZ48N Power Mosfet<br />
1 x Mini step up transformer with center tap primary<br />
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The Voltage Multiplier to amplify the voltage up to 3000 volts<br />
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8 x Ceramic layer capacitors that can withstand up to 3 kilo Volts (3kV) of voltage and 8 diodes 1N4007 diodes. This is the simple schema if you have any question just let me know<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCiRy0ThexliOc8q4C1rBJKFvnFAvTGl6nNA27T1fXWqc8APmUCK8VJCw5_P_JrlTtUNMpmN-ML10G0MLnkkFGLdKQnUDKi3Bmt_AVhb3mxydY9x8v8_KyDdgptRwo4LRwY9ZT6x-n3Ng/s1600/Simple+Easy+DC+to+AC+converter.jpg" imageanchor="1"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCiRy0ThexliOc8q4C1rBJKFvnFAvTGl6nNA27T1fXWqc8APmUCK8VJCw5_P_JrlTtUNMpmN-ML10G0MLnkkFGLdKQnUDKi3Bmt_AVhb3mxydY9x8v8_KyDdgptRwo4LRwY9ZT6x-n3Ng/s1600/Simple+Easy+DC+to+AC+converter.jpg" /></a><br />
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10 Nano Farads Ceramic Capacitor or 0.001 Micro Farad is good enough <br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjH9Q8iJZ0VLw3YraIsiVKH-F79nDL8F3AwPUQFW-4LexCT9SW7Dhaz7qgJCkS_saQPw_ckWwVHQ1w3EvLrDmTJzgY600QBP1Oed7BwZtKFL_QHV2apNWLgAv_3d2exI10fkK9vq36R5No/s1600/Voltage+Multiplier+Schematic.png" imageanchor="1"><img border="0" height="331" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjH9Q8iJZ0VLw3YraIsiVKH-F79nDL8F3AwPUQFW-4LexCT9SW7Dhaz7qgJCkS_saQPw_ckWwVHQ1w3EvLrDmTJzgY600QBP1Oed7BwZtKFL_QHV2apNWLgAv_3d2exI10fkK9vq36R5No/s400/Voltage+Multiplier+Schematic.png" width="400" /></a><br />
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<iframe id="ytplayer" type="text/html" width="100%" height="300" src="https://www.youtube-nocookie.com/embed/7Z1rurtaXxQ" frameborder="0" allowfullscreen></iframe>Adminhttp://www.blogger.com/profile/14877084041729340018noreply@blogger.com34tag:blogger.com,1999:blog-5968830829767059463.post-60281172095752081672019-03-31T06:06:00.000-07:002019-05-04T09:40:52.595-07:00Simple RF Mobile Signal Detector Schematic Diagram Circuit to detect VHF/UHF 4G LTE Very cool RF mobile signal detector from simpletronic - the circuit is main driven by high frequency RF transistor up to 6 Ghz maximum. It can easily detect low frequency and high frequency electromagnetic and RF signal. In this demonstration using a smart mobile phone using 4G LTE (2600 Mhz / 2.5 Ghz Frequency) and when the internet is running the signal will be captured as a result the LED lights up. Another test is done on an antenna that transmitting 20 Mhz signal and it lights up brightly because the power used is 5 Volt to amplify the 4G modem.<br />
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Component of the mobile signal detector circuit<br />
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100 Ohm, 10 KOhm, 47 KOhm - Resistors<br />
10 KOhm - Variable Resistor<br />
BFG591 (UHF 6 Ghz Frequency RF Transistor)<br />
Blue LED<br />
10 pF - Ceramic Capacitor<br />
10 Cm - Antenna<br />
CR2032 (3 Volt) Battery<br />
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Circuit Schematic Diagram<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhWbJ7Dol9HegQN0IlyJBoWoM1Xc04L76nqGhAhsuWxWG_NEVwnnytmLUm5TqrhziyWAJWa9FwTO0hO9eq8LuYsqwWAEa8_lZ6Y6_4BAvYgavAgPAANY7mILXUgtmSPUbmElbKXTwbKNpM/s1600/RF+Mobile+Signal+Detector+Circuit.jpg" imageanchor="1"><img border="0" data-original-height="221" data-original-width="449" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhWbJ7Dol9HegQN0IlyJBoWoM1Xc04L76nqGhAhsuWxWG_NEVwnnytmLUm5TqrhziyWAJWa9FwTO0hO9eq8LuYsqwWAEa8_lZ6Y6_4BAvYgavAgPAANY7mILXUgtmSPUbmElbKXTwbKNpM/s1600/RF+Mobile+Signal+Detector+Circuit.jpg" /></a><br />
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<span style="color: white;">How to detect 4G signal | 4G signal detector | Mobile Signal Detector Circuit | </span>Unknownnoreply@blogger.com19tag:blogger.com,1999:blog-5968830829767059463.post-24425905222696414362019-03-31T04:58:00.000-07:002019-03-30T09:49:27.068-07:004G Signal booster / amplifier circuit using LM386This is just an experiment to test if it is possible to amplify / boost 4G signal for the HuaWei-E5577 modem so that i can enjoy decent internet speed consistently. The circuit is very simple driven by LM386 amplifier IC and two antenna. One is the receiver antenna another the transmitter antenna powered by 5 Volt USB PC usb power supply.<br />
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</div><div>The complete component is as follow</div><div><br />
1 x project box for casing</div><div>1 x 4700 uF Electrolyte capacitor</div><div>1 x 1000 uF Electrolyte capacitor</div><div>2 x 4.7K Resistors</div><div>2 x Antennas with SMA male connectors</div><div>1 x USB female port</div><div>2 x SMA female connectors</div><div><script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script><br />
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</div><div>The output of the result is very interesting - although there is no sign of signal indicator increase on the Huawei-E5577 modem but the internet connection looks faster than usual and it is very consistent. Despite of having 1 bar 4G signal the internet still capable of loading YouTube videos very smoothly and serve the internet normally. </div><div><br />
</div><div>I understand that this amplifier is not capable of delivering 4G signal but the RF amplification via the LM386 seems to have effect on the HuaWei-E5577 modem. Noted that the amplification doesn't seem to work on normal smart phone device. Not sure what exactly the cause.</div><div><br />
</div><div>Anyway now i can enjoy consistent internet speed that have been poor for the past 9 years. It's different this time.<br />
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NOTE: Some people may not believe this works - but please take be reminded i do not post something that doesn't work. And at the very least it works for me.</div><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXemxVDaqYfi9PEISYm9D70Mfi0Q149YQgaweyquwEN1wmJX1Lxol6rjLEhmwqqORjGD29OBJCfC9imgrC3hsfYC4BXS8ijirqIN4XwYkdWqqHTUxE5v3aDjRJjSFoMjGhbLjSMhurMuQ/s1600/4G+booster.jpg" imageanchor="1"><img border="0" data-original-height="367" data-original-width="490" height="299" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXemxVDaqYfi9PEISYm9D70Mfi0Q149YQgaweyquwEN1wmJX1Lxol6rjLEhmwqqORjGD29OBJCfC9imgrC3hsfYC4BXS8ijirqIN4XwYkdWqqHTUxE5v3aDjRJjSFoMjGhbLjSMhurMuQ/s400/4G+booster.jpg" width="400" /></a><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZEL5zuzIO_hK_y0YbD732VEIpvqIJ2stcW8_hcZL_nFN2I3AGGsRgSbSN2Ul1i2QLW4-hi6nl8HeKwgqcDRsfsiuek9fuONL6B8_2h3C3Uemgz9hFNtZZe3rIHsm1JasQItRWgi9sn9w/s1600/4G+Amplifier.jpg" imageanchor="1"><img border="0" data-original-height="367" data-original-width="490" height="299" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZEL5zuzIO_hK_y0YbD732VEIpvqIJ2stcW8_hcZL_nFN2I3AGGsRgSbSN2Ul1i2QLW4-hi6nl8HeKwgqcDRsfsiuek9fuONL6B8_2h3C3Uemgz9hFNtZZe3rIHsm1JasQItRWgi9sn9w/s400/4G+Amplifier.jpg" width="400" /></a><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3nB4LRXpsuMhwZzMF72Osgk-n_Jk5mDpftyi8Wh2uWhMGEZ1ENSwrxfnZRCsudPobA3LeClQx5j89Zkq8pY1Rcp8Hnz8Vv9Uorz4tR63uXP7KxZDvsyiMUbU6CPTtB5GZsNJKdVwGGqE/s1600/4G+booster+DIY+amplifier.jpg" imageanchor="1"><img border="0" data-original-height="367" data-original-width="490" height="299" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3nB4LRXpsuMhwZzMF72Osgk-n_Jk5mDpftyi8Wh2uWhMGEZ1ENSwrxfnZRCsudPobA3LeClQx5j89Zkq8pY1Rcp8Hnz8Vv9Uorz4tR63uXP7KxZDvsyiMUbU6CPTtB5GZsNJKdVwGGqE/s400/4G+booster+DIY+amplifier.jpg" width="400" /></a><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWSlI43fJ2mzhtAABLcRaKwct0bzSdzLZ6wShpxKiiNPocem6FjNcHV_nG3IhqGoqUdvOM14pRTBvWfFC8PcGN8PpBnd5-iXAt0ntNG7SM7SPKAiAmWfvRi583Wwe82AF7m84kV62tLQU/s1600/4G+amplifier+boost.jpg" imageanchor="1"><img border="0" data-original-height="367" data-original-width="490" height="299" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWSlI43fJ2mzhtAABLcRaKwct0bzSdzLZ6wShpxKiiNPocem6FjNcHV_nG3IhqGoqUdvOM14pRTBvWfFC8PcGN8PpBnd5-iXAt0ntNG7SM7SPKAiAmWfvRi583Wwe82AF7m84kV62tLQU/s400/4G+amplifier+boost.jpg" width="400" /></a><br />
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4G Amplifier / booster circuit schematic diagram<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhKTiB25vKQHm4EaQrh5rp9GzblmjQMfHK41B-Dmvi-8tA5dLkTLM3lDJ2p8w1VKZuEBwwquFFeZLSH_hv-GTwtnpf0NdMJX9WdPZJrhAvDjgVf17fJE6KiUEDH85XBVaycMviCCqvRuOE/s1600/4G+Amplifier+circuit+DIY.jpg" imageanchor="1"><img border="0" data-original-height="267" data-original-width="482" height="221" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhKTiB25vKQHm4EaQrh5rp9GzblmjQMfHK41B-Dmvi-8tA5dLkTLM3lDJ2p8w1VKZuEBwwquFFeZLSH_hv-GTwtnpf0NdMJX9WdPZJrhAvDjgVf17fJE6KiUEDH85XBVaycMviCCqvRuOE/s400/4G+Amplifier+circuit+DIY.jpg" width="400" /></a>Unknownnoreply@blogger.com90tag:blogger.com,1999:blog-5968830829767059463.post-25500948336818580752019-03-31T04:03:00.000-07:002019-04-09T06:12:45.351-07:00Simple 4 Volt DC to 400 Volt AC output circuit using mini step up transformerSimplest DC to AC inverter circuit using 2 Phase primary 1 phase secondary mini step-up transformer powered by TIP41C NPN transistor. This circuit can step up 4 Volt DC to 400 Volt AC<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEguO9gJJj_hZrZoJdwxoxXPb1GFy3Lf16kmCASlItSbyJoDbz-A_jbzfwdLeP-wNmVChhXf86luvG-phBiM6im1rSdO7Wnjf2kBB9giR-9oWxACPURh2jN8pGP8UA8WrTJrrLX1CJK-4aY/s1600/DC+to+AC+circuit+diagram.jpg" imageanchor="1"><img border="0" height="141" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEguO9gJJj_hZrZoJdwxoxXPb1GFy3Lf16kmCASlItSbyJoDbz-A_jbzfwdLeP-wNmVChhXf86luvG-phBiM6im1rSdO7Wnjf2kBB9giR-9oWxACPURh2jN8pGP8UA8WrTJrrLX1CJK-4aY/s400/DC+to+AC+circuit+diagram.jpg" width="400" /></a><br />
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<iframe allowfullscreen="" frameborder="0" height="276" src="https://www.youtube-nocookie.com/embed/0Fdx9phlIcs" width="490"></iframe>Adminhttp://www.blogger.com/profile/14877084041729340018noreply@blogger.com39tag:blogger.com,1999:blog-5968830829767059463.post-12469011038572690872019-03-31T00:49:00.000-07:002019-03-30T09:47:52.172-07:00Cheap 4G LTE booster / amplifier circuit - weBoostThis is the second version of the 4G LTE booster that I've made - an improved version of the first design <a href="http://howtodosteps.blogspot.my/2017/08/simple-4g-lte-signal-booster-amplifier.html">4G Booster</a>. Instead of using antenna to transmit the signal to the modem as in the previous designed the second version using SMA to TS6 coaxial connector cable to directly connect to the modem internal antenna.<br />
<br />
The new designed is much more efficient and there is no longer the need to put the antenna at certain distance to transmit the signal to 4G modem. And instead direct connect into the modem antenna making the signal 80% efficient with 80% stability.<br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2oPUUAeTjNYDCS_mGJhr6G3pqz_oUGvFdJqtfhGRHO5qQMNBCF6GuULpnyWrvOWylf_FRZH4W2gOtHYIJWvn1Q_y4Wi_rUHM0klFzrq3oJparSIctXcRYy3wOnSTzTtJfX1YiS01SuEs/s1600/4G+Booster.jpg" imageanchor="1"><img border="0" data-original-height="607" data-original-width="818" height="297" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2oPUUAeTjNYDCS_mGJhr6G3pqz_oUGvFdJqtfhGRHO5qQMNBCF6GuULpnyWrvOWylf_FRZH4W2gOtHYIJWvn1Q_y4Wi_rUHM0klFzrq3oJparSIctXcRYy3wOnSTzTtJfX1YiS01SuEs/s400/4G+Booster.jpg" width="400" /></a><br />
<br />
Components:<br />
<br />
1 x 4G Antenna (Input Antenna)<br />
1 x Coupled Inductor 20 mH<br />
1 x 20 Mhz Crystal<br />
3 x 2.5 turns air core inductors<br />
2 x 7.5 turns air core inductors<br />
1 x SMA to TS9 splitter coaxial cable output direct to Modem<br />
Powered by 5 Volt USB<br />
<br />
During the day when the 4G traffic are congested due to heavy usage by many active users the signal will fluctuate within the range 3 ~ 4 bars. In the night the signal consistency is much higher especially after 12 midnight as less people are using their phones the signal will stays around 4 bars with 70% consistency.<br />
<br />
The construction of this circuit is very cheap probably under $10 USD and you can find the component easily available on eBay. However keep in mind that the crystal oscillator - please get a genuine one from well known manufacturers or from store such DigiKey, Element14, Mouser, RS-Online. I have learned my lesson those crystal made in China is not going to work and in fact you will get around 80% faulty or the frequency precision is not stable.<br />
<br />
The reason is very simple with genuine Crystal Oscillator the signal precision is much more efficient and this will keep the stability of the signal produced.<br />
<br />
NOTE: There are plenty of 4G signal booster out there made in China but they will work temporarily or not work at all. There are also the one working made in the USA like weBoost, Verizon, T&T booster but they are all expensive.<br />
<br />
There is something that I've learned researching on the Microwave UHF signal and the device which capture it like the HuaWei modem. The modem can hold a memory of signal - which means when it goes low and then idle, there is likely the modem will continuously holding low signal until you restart the modem then it will refresh. This behavior maybe vary from one device to another so I can't tell of different devices signal patterns. This memory holding issue can be resolved by restarting the PC and the modem so that fresh signal amplification can reset itself.<br />
<br />
<iframe allowfullscreen="" frameborder="0" height="315" src="https://www.youtube.com/embed/V5hS6zGVRJ0" width="100%"></iframe><br />
<br />
<span style="color: white;">4G Booster Circuit | 4G Amplifier Circuit | 4G Signal Booster | 4G Signal Amplifier | LNA Signal Booster | 2.6 Ghz Signal Amplifier | 4G Booster Circuit | Mobile Phone Signal Booster Diagram | 4G Modem di Kuching Sarawak | Best 4G antenna | Most effective cell phone signal antenna</span>Unknownnoreply@blogger.com6tag:blogger.com,1999:blog-5968830829767059463.post-83658219609781017442019-03-30T09:16:00.000-07:002019-03-29T23:48:03.078-07:00How the mosquito racket / bug zapper / fly swatter high voltage generator works.One of the simplest electronic components that most people overlook is the mosquito racket or most commonly called (bug zapper or the fly swatter). The circuit is very simple consist of 3 major parts as follows.<br />
<br />
The charger parts: 1, 2, 3, 4, 5, 6<br />
<br />
The DC to AC inverter parts: 8, 9, 10, 11, 12, 13<br />
<br />
Voltage Multiplier parts: 15, 16, 17, 18, 19, 20, 21<br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_E8Bh_8c7L4y3tXNT4SnZW7oIn-ewdqNY8zbylYKnrIMXV2aJTbRP0UServOzIrWQwtvyJgqdHVnrMgXufsXXmNbxubgXZXkE5LGJKH0sKd2kJ2vHUrDAgpw6lmftdPa8WjXjbqew9a8/s1600/Bug+Zapper.jpg" imageanchor="1"><img border="0" data-original-height="388" data-original-width="955" height="163" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_E8Bh_8c7L4y3tXNT4SnZW7oIn-ewdqNY8zbylYKnrIMXV2aJTbRP0UServOzIrWQwtvyJgqdHVnrMgXufsXXmNbxubgXZXkE5LGJKH0sKd2kJ2vHUrDAgpw6lmftdPa8WjXjbqew9a8/s400/Bug+Zapper.jpg" width="400" /></a><br />
<br />
We are going to replicate how the circuit works using only the necessary components as follows:<br />
<br />
No.11: NEC D882P NPN Transistor<br />
No.12: 650 Ohm Resistor<br />
No.13: High voltage mini-transformer (6 pins)<br />
<br />
And all the voltage multiplier components<br />
<br />
3 High voltage diode rectifier RFC4K<br />
221K 4KV Capacitor (220 pF)<br />
CBB81 223J2KV (0.022 uF 2KV Metallized Film)<br />
2 x Unknown capacitor which i believe it is around 2KV to 4KV<br />
<div><br />
The re-assembly of the circuit will be as look like the schematic diagram as shown below<br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiwB23GxYzbIoLr_ymIxAd8YRU8JeogcgRQIMamKYiEQklZNgP933yAdr5pklyVAiFiYglRgG6uodtPQuYPvZOmKLcEXqLPh1S6toE7RO4AIQHIpTvA1YC7CPF4N1CTPUaShxHY8_Z8zqY/s1600/12.jpg" imageanchor="1"><img border="0" data-original-height="625" data-original-width="818" height="306" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiwB23GxYzbIoLr_ymIxAd8YRU8JeogcgRQIMamKYiEQklZNgP933yAdr5pklyVAiFiYglRgG6uodtPQuYPvZOmKLcEXqLPh1S6toE7RO4AIQHIpTvA1YC7CPF4N1CTPUaShxHY8_Z8zqY/s400/12.jpg" width="400" /></a><br />
<br />
Below is the video demonstration step by step how to re-assemble the circuit. Note that the circuit output is not as efficient as the original because of the loose connection on the breadboard. It would be much more efficient if it is soldered permanently.<br />
<br />
Many people have underestimated this bug zapper and it actually the most use components on YouTube videos to make high voltage circuits. The most important part of the circuit is the mini-high voltage transformer which is difficult to find if not because of the fly swatter device. Apart from that there are high voltage ceramic mylar capacitors which can be reused for another projects such as DIY voltage multiplier, Tesla coil circuit, taser (stun gun), etc.<br />
<br />
<iframe allowfullscreen="" frameborder="0" height="315" src="https://www.youtube.com/embed/lnHjPwwH_l0?rel=0" width="100%"></iframe><br />
</div><br />
<span style="color: white;">How bug zapper works | homeMade flyswatter | high voltage generator from mosquito racket | simple DC to AC circuit | voltage multiplier schematic diagram | how to make mosquito racket | bug zapper stun gun | flyswatter taser</span>Unknownnoreply@blogger.com12tag:blogger.com,1999:blog-5968830829767059463.post-74771667382230550322019-03-30T02:03:00.000-07:002019-04-03T07:54:19.287-07:00Simple doorbell circuit using 555 timer + schematic diagram includedA very simple doorbell circuit driven by 555 timer chip. This kit you can find it cheap on eBay less than $1 - but if you are the type who can't wait like me and having the components available why not just build one. So the components are not exactly the same but it works almost exactly the same. <br />
<br />
1 x 555 timer IC<br />
1 x momentary switch<br />
4 x 47k resistors<br />
2 x 4148 diode<br />
1 x 10 uf electrolytic capacitor<br />
3 x 103 ceramic capacitor<br />
1 x 8 Ohm speaker<br />
100 uf Capacitor<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNTGxTnfifD1gzDiW7u_arVvxZtUnwtOyToE6UjIBlyighXEnvXL8GC5hIFHo2j6KCyVLRKMQigOSeFX5Daqfbr6SIxxp5tq0Lmtdqzm_i_YfWQSAdl44oOnf8VuRQ8ccMWM_i8NpWoQk/s1600/555+Timer+Doorbell+Circuit.jpg" imageanchor="1"><img border="0" height="377" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNTGxTnfifD1gzDiW7u_arVvxZtUnwtOyToE6UjIBlyighXEnvXL8GC5hIFHo2j6KCyVLRKMQigOSeFX5Daqfbr6SIxxp5tq0Lmtdqzm_i_YfWQSAdl44oOnf8VuRQ8ccMWM_i8NpWoQk/s400/555+Timer+Doorbell+Circuit.jpg" width="400" /></a><br />
<br />
<iframe allowfullscreen="" frameborder="0" height="276" src="https://www.youtube.com/embed/TbpIrfuOByU" width="100%"></iframe>Adminhttp://www.blogger.com/profile/14877084041729340018noreply@blogger.com2tag:blogger.com,1999:blog-5968830829767059463.post-10995867880056681602019-03-29T23:31:00.000-07:002019-04-09T06:29:17.758-07:00How to maintain or increase air pressure in CISS printer system?Installing the CISS (Continuous Ink Supply System) onto the printer is easy. However to make it work properly can be extremely annoying if the CISS is not working as you wish. You maybe finding few problems such as:<br />
<ol>
<li>All ink do not flow from the CISS tank into the cartridge</li>
<li>One or two of the ink do not flow</li>
</ol>
In this blog i am going to show you how to maintain or increase air pressure inside the piping host and make sure the ink flow properly into from the CISS tank into the cartridge. This is a trick by experience. <br />
<br />
Step 1: You need scrap papers for you to print. Take several may be 10 or more.<br />
<br />
Step 2: Take take color image consist of CYMK color. Printing using all the color assumed that all the color ink is not flowing properly into the cartridge. <br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgG9d7mBUAVwJSSvRsgx3wZG2X_-sG-XP6r1n4yOmWMrrmhW96T6iVZDf97yD4zHM7au1gt-5PYFr6nab2vz_IaM_4dz1cmoX5ezljMmE63H26z1rJ7q9mFvm-nQ5Ctmog3NE_pQzDoEWY/s1600/TestPrint6Color.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgG9d7mBUAVwJSSvRsgx3wZG2X_-sG-XP6r1n4yOmWMrrmhW96T6iVZDf97yD4zHM7au1gt-5PYFr6nab2vz_IaM_4dz1cmoX5ezljMmE63H26z1rJ7q9mFvm-nQ5Ctmog3NE_pQzDoEWY/s320/TestPrint6Color.jpg" /></a></div>
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Step 3: Print several time both back and front page to save the scrap paper. Make sure you set the printing page to full page print to increase the propensity for the cartridge to suck in the ink.<br />
<br />
After you have printed 10 pages and still the ink does not come back to normal state. Don't worry about it, just leave it for few hours later. And then come back to repeat the same printing step again eventually the ink will be stabilize normally.<br />
<br />
This trick work well on HP C4580 (All in one printer) with CISS installed on it. <br />
<br />
<span style="color: red;">Note: If only one or two of the ink does not flow properly get the specific color image based on the ink that is not flowing properly i.e. black, yellow, blue, or cyan.</span><br />
<br />
<hr />
<br />
To make your job easier purchase the Cartridge priming tool or sucker to force the ink to flow out from the Ink tank reservoir to the cartridge. This is a must have cartridge tool you need to keep in order to maintain the CISS Ink Flow whenever the air pressure inside the pipe becomes unstable.<br />
<br />
The priming tool is sold mostly by China's online printer sellers and it cost around $3 to $6 each. When buying the priming tools make sure it matches the cartridge model otherwise it is not fit to your cartridge. Example below is Cartridge Priming Tool for HP 57, 58, and 75.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrhUVFceEDYKx55heve63sL5NiT4tuFMy9b0vCcipOL_0K4t5UkWfN116WEjjOuHDGZD-8T1uue389eV-0VjTyKIf6QLyF0yH068XvHH7uHoYGjSNjrl56Bcj3qm6g94NEo2UaHZUeQ1c/s1600/IMG_5795+copy.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrhUVFceEDYKx55heve63sL5NiT4tuFMy9b0vCcipOL_0K4t5UkWfN116WEjjOuHDGZD-8T1uue389eV-0VjTyKIf6QLyF0yH068XvHH7uHoYGjSNjrl56Bcj3qm6g94NEo2UaHZUeQ1c/s320/IMG_5795+copy.jpg" width="265" /></a></div>
The change of temperatures overtime disturb the air pressure level in the CISS pipe and Ink tank reservoir. Thus it will develop air bubble inside the pipe and prevent the ink to flow smoothly. When this happens, you will need to do some maintenance job to fix the ink flow. Follow the basic instruction below how to use cartridge priming tool.<br />
<ol>
<li>Take out the cartridge from the printer compartment</li>
<li>Put the cartridge on the priming tool</li>
<li>Get a syringe and suck the ink out - it will force the ink from the reservoir to flow into the cartridge</li>
<li>Clean the cartridge nozzle to remove the excess spill</li>
<li>Put back the cartridge into the printer</li>
<li>Do print test few times to clean the nozzle until the print output look clean and fine.</li>
</ol>
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<span class="Apple-style-span" style="color: red;">Note: Sucking the ink out using priming tool also remove the excess air inside the pipe and cartridge.</span>Adminhttp://www.blogger.com/profile/14877084041729340018noreply@blogger.com4tag:blogger.com,1999:blog-5968830829767059463.post-22226820817581183602019-03-29T18:55:00.000-07:002019-04-09T06:27:10.458-07:00What is the best printer brand/model for CISS - Canon PixmaEven though there are many how to demonstration to install continuous ink supply system (CISS) on any kind of printers brands and model on the internet. Actually the fact is not all will work 100% as expected due to some complicated circumstances from the printers. Example of complication issue.<br />
<br />
1. Epson printers usually require chip re-setters. This is because Epson uses technology that detect the ink level and automatically prevent it from printing when the ink level is empty in its cartridge. If using the CISS will not increase the ink cartridge level because it directly flow from the ink tank reservoir, so the Epson require chip re-setter to prevent the printer from detecting the cartridge ink is low. And yet again not all chip re-setters will work perfectly either.<br />
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2. Printer's built structure - Due to complicated internal structure built of the printer making it difficult to place the CISS host piping to reach the cartridge. As a result the CISS ink will not flow smoothly from the ink tank reservoir to the cartridge. This is apply to printers like HP, Epson, Canon (Office printers), etc.<br />
<br />
3. Cartridge built and ink - Not all cartridge is suitable to be modified for use in CISS and some ink like HP printers will solidified when mix with CISS ink. This making it difficult for the ink to flow out of the cartridge when it dry at the cartridge print head nozzle.<br />
<br />
4. Other unknown complication also may contribute to the failure to install the CISS to printers.<br />
<br />
<b>So what is the best printers that work good with Continuous Supply Ink System (CISS)? </b><br />
<br />
I have seen these in most of IT Stores and personally i have purchased some of these printers as well for my clients. These are the printer models that you can install CISS easily without so much complication involve.<br />
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWEBL7N6tdIbv6wfAdHs3McBAth9UD05jYZK-bz4WjAh124ZUJgIsqGW_BmUf9Ycl8tyq6F_UtP-3RUEjycaYREbZwj2BNCqABunjo3sLX6DcRp627XcUGt-WU-IfFO9eTG3dzS4cXEYs/s1600/Canon+PIXMA+MP258.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWEBL7N6tdIbv6wfAdHs3McBAth9UD05jYZK-bz4WjAh124ZUJgIsqGW_BmUf9Ycl8tyq6F_UtP-3RUEjycaYREbZwj2BNCqABunjo3sLX6DcRp627XcUGt-WU-IfFO9eTG3dzS4cXEYs/s400/Canon+PIXMA+MP258.jpg" width="400" /></a></div>
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Canon PIXMA MP145, MP150, MP198, MP258, MP250, MP238, MP198. <br />
<br />
Despite of the different model name these Canon PIXMA printers are identical in its structural built and the cartridge can be easily modified even by novice home users. The cartridge ink also has no complication with the CISS ink and will not solidified if mix together. All these traits making these Canon printers sold the most in local IT store even until today and in fact sometimes out of stocks.Adminhttp://www.blogger.com/profile/14877084041729340018noreply@blogger.com140tag:blogger.com,1999:blog-5968830829767059463.post-57218295192687796982019-03-29T09:41:00.000-07:002019-04-03T08:07:41.031-07:00Easy Simple 12 volt DC Battery to 220 volt AC inverter circuit A simple conversion from 12 DC Battery to 220 AC inverter circuit schematic diagram.<br />
<br />
Components<br />
<br />
1. Transformer (230 V) - with primary center tap<br />
2. 12 Volt Lead Acid Battery<br />
3. UF4007 Diode (Can be replace with 1N4007 Diode)<br />
4. 4.7 KOhms Resistor @ 1 Watt<br />
5. 1 Micro Farad @ 400 Volt Metalized film capacitor<br />
6. 06N03LA NPN Transistor (This can be any NPN Transistor or N-Channel Mosfet)<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilZN4Zsa55P3igKtrGFAd4DJnkync7xm6qCF9Cj4pWayXy8HqswooQk5E2Wprr3FM27wpeBDMlVix13w54R0oV_D6dUx1oKZXEFyIC3To85kqoX9yaXHrhh2B7iMyYrnTb8CrHj6mImAg/s1600/12+DC+to+220+VAC+inverter+circuit.jpg" imageanchor="1"><img border="0" height="267" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilZN4Zsa55P3igKtrGFAd4DJnkync7xm6qCF9Cj4pWayXy8HqswooQk5E2Wprr3FM27wpeBDMlVix13w54R0oV_D6dUx1oKZXEFyIC3To85kqoX9yaXHrhh2B7iMyYrnTb8CrHj6mImAg/s400/12+DC+to+220+VAC+inverter+circuit.jpg" width="400" /></a><br />
<br />
<span style="color: white;">12 Volt DC to 220 Volt AC Inverter Circuit Diagram | Convert DC to AC circuit diagram| </span><br />
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Adminhttp://www.blogger.com/profile/14877084041729340018noreply@blogger.com20tag:blogger.com,1999:blog-5968830829767059463.post-50462237343722916612019-03-29T09:05:00.000-07:002019-04-09T06:19:38.093-07:00Cleaning York Air conditioner DIYI never clean the air conditioner before but today I've tried it myself and learned quite a few thing about the York Air conditioner. Usually I used to call contractor to clean the air conditioner and pay around RM80 for the service including refilling the gas.<br />
<br />
After some reading on the web and also one comment from the contractor that the air conditioner is not necessary to refill the gas too frequently. It's because the air conditioner has a mechanism that use a temperature difference to operate. As long as the mechanism work it does not need the gas to be refilled all the time maybe once in a year is okay.<br />
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Anyway i am not going too detail about this because i don't really know exactly how it works but from this experience i learned that cleaning the air conditioner yourself can be better than the contractor does. Usually the contractor just clean in outer such as the heat sink fin and also the filters which is fine. But there is one more most important thing that I never realized is the fan too need cleaning - until I checked and open it how dirty it is after years of using without service. The dirt become harden and tough to remove.<br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLKYb2SdeICTDm5d2uRWjLDPplqfhfbPhUjX82kjI403enDiM6S8hgjumEhbsm9yS6_gh7m3jODqOFAdmPSwGs9sKL3bJ74u8oozrXk5YllpKQmD8qf-PPzHInUNc2BcVKpHf5sE2dxHM/s1600/York+Air+conditioner+dirty+fan.jpg" imageanchor="1"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLKYb2SdeICTDm5d2uRWjLDPplqfhfbPhUjX82kjI403enDiM6S8hgjumEhbsm9yS6_gh7m3jODqOFAdmPSwGs9sKL3bJ74u8oozrXk5YllpKQmD8qf-PPzHInUNc2BcVKpHf5sE2dxHM/s1600/York+Air+conditioner+dirty+fan.jpg" /></a><br />
<br />
The air conditioner fan is made from plastic arranged in cylinder. So over time it will contracted with dirt around the fan. As the dirt accumulate over time it create uneven hole along the arrangement of the small fan and that can cause the fan to produce noise. Watch this video<br />
<br />
<iframe allowfullscreen="" frameborder="0" height="276" src="https://www.youtube.com/embed/ob9iET-aGnE" width="490"></iframe><br />
<br />
So in this cleaning process I used the following<br />
<br />
1. Bucket of water (Small pale)<br />
2. Cloth<br />
3. Toothbrush<br />
4. Philip screwdriver<br />
<br />
Safety Gear<br />
<br />
1. Safety glass<br />
2. Mouth cover<br />
<br />
Step 1: Open and remove the front filter cover by flipping it up and pull the hook holder. I was very careful in pulling the hook one by one since it is quite soft and fragile. After that remove the air filter and wash it with water. Apart from that I cleaned the heat sink fin as well using wet cloth and toothbrush to remove stuck dirt on the fin.<br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgU1xNdEMu8lUR4XFW96uLb7ABvd24CG6I31yXXFwVEDAO_FDxOb4uVA18ReH3Fp6WjmEzOLoes8QJvYCsK4kH_aukIiZ5qVMZ2IglojYucV48Hoqhv6Cywh77SJOT8wDQ4W8FgHvvyx_U/s1600/York+Air+conditioner+-+remove+front+cover+filter.jpg" imageanchor="1"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgU1xNdEMu8lUR4XFW96uLb7ABvd24CG6I31yXXFwVEDAO_FDxOb4uVA18ReH3Fp6WjmEzOLoes8QJvYCsK4kH_aukIiZ5qVMZ2IglojYucV48Hoqhv6Cywh77SJOT8wDQ4W8FgHvvyx_U/s1600/York+Air+conditioner+-+remove+front+cover+filter.jpg" /></a><br />
<br />
Step 2: Once that is done - using Philip screwdriver to remove the body cover screws. Then unseat the 3 clips at the top that hold the cover. Then remove the body cover. I guess that is all i need to do because anything more than that seems to be quite complicated. One more thing is to remove the air flow swing so that i can reach the fan inside. Another part that I have to be careful with because the swing flap is quite soft.<br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZm_GhhBKZfYQfOOqpNCQTI4p50FpFQqPMJ1E7WQoWp52Go_oNeAjdItEmRXmxE5JzL4zo1puExMOxXgJY209Nm5_3vG47JA6QYcy2P1XP7oNMTs9G15WIJLVDA2sqkTx6HbhKZS3YFUQ/s1600/York+Air+Conditioner+Cleaning+-+Remove+Body+Cover.jpg" imageanchor="1"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZm_GhhBKZfYQfOOqpNCQTI4p50FpFQqPMJ1E7WQoWp52Go_oNeAjdItEmRXmxE5JzL4zo1puExMOxXgJY209Nm5_3vG47JA6QYcy2P1XP7oNMTs9G15WIJLVDA2sqkTx6HbhKZS3YFUQ/s1600/York+Air+Conditioner+Cleaning+-+Remove+Body+Cover.jpg" /></a><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgunmp-CMiRggRsZy2d-gINvaG1Dhs_5xHGscsdAdvwtcCDA645xwaHvJk_JyBrhJcl5LLn4W-gVm22XyIvRAR8QmcQFelRem_U5qQZpQFOdSGUoeyHGYAJgyKKn-C6QYzqdZ4jbsxYlxU/s1600/York+Air+conditioner+removing+clips.jpg" imageanchor="1"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgunmp-CMiRggRsZy2d-gINvaG1Dhs_5xHGscsdAdvwtcCDA645xwaHvJk_JyBrhJcl5LLn4W-gVm22XyIvRAR8QmcQFelRem_U5qQZpQFOdSGUoeyHGYAJgyKKn-C6QYzqdZ4jbsxYlxU/s1600/York+Air+conditioner+removing+clips.jpg" /></a><br />
<br />
Step 3: Then use safety glass and mouth cover before proceeding as well as a cardboard. The cardboard is use to prevent dirt from splashing out everywhere during the cleaning process. Then take a toothbrush and wet in the water.<br />
<br />
Step 4: Turn on the air conditioner and as the fan spin place the toothbrush on it. During this process i am using cardboard as guard to prevent the dirt splashing further distance. It's very nasty and dirty. Keep doing part by parts until eventually it looks quite cleaned. There is no way to make it 100% clean and the dirt are inside the fan cylinder cannot be reached by the toothbrush. But that is fine as long as the outer part is cleaned.<br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjAUS0DpMfPEdF4atOffRzEVbdn-VqDlpB_jCczGV7GGovsUkFTAwWaOxVIxYACk3hTOAR6k2ol38o34EHGKCFxtJi1EopqT92kuqX9AVczB8I5RYmWJ07BP-pXwhNrMJ60itf2Szh7cSY/s1600/York+Air+conditioner+cleaning+fan+with+toothbrush.jpg" imageanchor="1"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjAUS0DpMfPEdF4atOffRzEVbdn-VqDlpB_jCczGV7GGovsUkFTAwWaOxVIxYACk3hTOAR6k2ol38o34EHGKCFxtJi1EopqT92kuqX9AVczB8I5RYmWJ07BP-pXwhNrMJ60itf2Szh7cSY/s1600/York+Air+conditioner+cleaning+fan+with+toothbrush.jpg" /></a><br />
<br />
Step 5: Once it is cleaned put everything back in place.<br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj7PPNcToUzRWcrN9Sd9geCd19lfMswq7MOr5XslLZ3u7mujeLdsZcc2r_7qRdSj_KSZbSfR2rG1kmUNA1j10qfFxi8OKC3vt-aFTNK_5r-Btt0CDxqaRrULr45TxwH0e1jEyJ6z4HNVE4/s1600/York+Air+Conditioner+cleaned+fan.jpg" imageanchor="1"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj7PPNcToUzRWcrN9Sd9geCd19lfMswq7MOr5XslLZ3u7mujeLdsZcc2r_7qRdSj_KSZbSfR2rG1kmUNA1j10qfFxi8OKC3vt-aFTNK_5r-Btt0CDxqaRrULr45TxwH0e1jEyJ6z4HNVE4/s1600/York+Air+Conditioner+cleaned+fan.jpg" /></a><br />
<br />
After completed cleaning everything i come to realize it isn't so difficult to clean the air conditioner. It's just take my time and a little bit of effort. In fact I have cleaned the fan which the contractor never did before.Adminhttp://www.blogger.com/profile/14877084041729340018noreply@blogger.com63tag:blogger.com,1999:blog-5968830829767059463.post-90713177924413295942019-03-29T08:35:00.000-07:002019-04-09T06:19:03.496-07:00York Air Conditioner Yellow/Orange Light Blinking Problem<h3>READ: York Airconditioner <a href="http://howtodosteps.blogspot.my/2016/11/york-air-conditioner-green-and-yellow.html">Green and Yellow LED blinking at the same time</a></h3>It's really easy to conclude something wrong without even trying to check or try something to solve a problem. This is what happened to my York Air Conditioner with the yellow/orange light blinking which i thought it was faulty. Most people are complaining about the yellow light after trying to press some buttons on the remote control without trying to check the air conditioner itself. Some others are suggesting to clear the timer using the cancel timer button or press it for a few seconds to stop the yellow light. While there is also a suggestion to remove the battery from the remote control and put back before turning it on again. Probably it may work for some people I don't really know.<br />
<br />
As for my case, this is definitely none of the remote control problems and I am not willing to spend money to fix a blinking yellow light like that and living in a room that facing the sunlight every day is really a pain in the ass. Every night the heat emanating from walls where the sunlight heated up every day and without the <a href="http://howtodosteps.blogspot.com/2015/04/windows-insulation-using-bubble-wrap.html" target="_blank">bubble wrap insulator</a> it could easily heat up to 40 degrees Celsius during the hot day. This forced me to look into the problem myself and after all, it wasn't as bad as I thought. In fact, there was no difficult fix or complicated situation to get the green light turned on and get back the fan to cool mode again.<br />
<br />
So this is what I did:<br />
<br />
1. Open Up air conditioner cover again as I did on the "<a href="http://howtodosteps.blogspot.com/2015/04/cleaning-york-air-conditioner-diy.html">Cleaning York Air Conditioner</a>" post.<br />
<br />
2. Shake a little bit of the black wires/cable as shown here<br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrxV90-6xIrsDWYxyXTM3ebUjLtXLHeNbOmcNO4TkhNiIF05FgfbKzYXsIv1Xv7P2PEpar0ozTY_KUrIRCf6lx9nUBaIbJdUXu3PX3isW-MhS2leN6BHhPqPYmG15phOd3h1yxg499MUc/s1600/Fix+York+Aircond+Yellow+Blinking+Light.jpg" imageanchor="1"><img alt="how to fix york aircond noise" border="0" height="299" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrxV90-6xIrsDWYxyXTM3ebUjLtXLHeNbOmcNO4TkhNiIF05FgfbKzYXsIv1Xv7P2PEpar0ozTY_KUrIRCf6lx9nUBaIbJdUXu3PX3isW-MhS2leN6BHhPqPYmG15phOd3h1yxg499MUc/s400/Fix+York+Aircond+Yellow+Blinking+Light.jpg" width="400" /></a><br />
<br />
3. Tried to turn on the air conditioner on and off to test whether the Yellow light still coming up.<br />
<br />
4. Then turn off completely the main switch<br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhuWeoASkxHmV3sGtit5YghA26S9M1PslMPd4mDJvGPBy4mjem6dZjB-uftNU-ya2RuFQSulWghWFd-roE56bkGzmRmtLAXLIRAsL8RY8qGnaO2qgmU9cNj_k0kmEfOGMqGn-uvhul7xaY/s1600/Fix+York+Airconditioner+Blinking+yellow+light+socket.jpg" imageanchor="1"><img alt="why york aircond make noise" border="0" height="266" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhuWeoASkxHmV3sGtit5YghA26S9M1PslMPd4mDJvGPBy4mjem6dZjB-uftNU-ya2RuFQSulWghWFd-roE56bkGzmRmtLAXLIRAsL8RY8qGnaO2qgmU9cNj_k0kmEfOGMqGn-uvhul7xaY/s400/Fix+York+Airconditioner+Blinking+yellow+light+socket.jpg" width="400" /></a><br />
<br />
5. Put back in all the covers and turn on the Air Conditioner.<br />
<br />
6. The green light comes back and it started to cool down as it uses to be.<br />
<br />
The problem could be the Sensor cable or whatever it is not functioning properly or maybe it kept the memory of the timer. So by shaking up some of the wires especially the black cable and turn it off by removing the plug from the wall socket simply help to recover it. You can try this before calling the technician someday.<br />
<br />
<span style="color: white;">How to troubleshoot York Airconditioner | Cara troubleshoot York Airconditioner | York Air Conditioner Green / Orange / Red light blinking/flashing | York airconditioner not turning on | York airconditioner indoor unit not starting | York airconditioner motor fan dirty | York Air conditioner sensor faulty</span>Adminhttp://www.blogger.com/profile/14877084041729340018noreply@blogger.com52tag:blogger.com,1999:blog-5968830829767059463.post-2665876929668426012019-03-29T08:06:00.000-07:002019-04-09T06:25:58.774-07:00How to make Continuous Ink Supply System (CISS) printer<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhl3qudfKfIXwdDdrk4bJoAFw-rBs30dgeosZXl4hWQx6FgfqG-2TtfGnkp_cx9cS9lqqkZsH6Tw_IIudvxTRRLff_g7qzc43Z4zlGguEX7vZ5mKDCfp6Vk996pRgHl_mQY31fR9N9DYC4/s1600/Canon+CISS.gif" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhl3qudfKfIXwdDdrk4bJoAFw-rBs30dgeosZXl4hWQx6FgfqG-2TtfGnkp_cx9cS9lqqkZsH6Tw_IIudvxTRRLff_g7qzc43Z4zlGguEX7vZ5mKDCfp6Vk996pRgHl_mQY31fR9N9DYC4/s1600/Canon+CISS.gif" /></a></div>
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What is Continuous Supply Ink System (CISS?) Continuous Ink Supply System (CISS) is a custom made printer system that uses Ink Tank reservoir to supply the ink to the cartridge when printing. This system was introduced to reduce expensive printing cost significantly. </div>
<br />
The Benefit of using Continuous Ink Supply System<br />
<ol>
<li>It saves 95% of printing cost </li>
<li>No more changing expensive cartridge too frequently </li>
<li>No worries of ink running out as you can see the tank ink level </li>
<li>CISS Ink are way much cheaper </li>
<li>No more difficult refilling job. </li>
</ol>
Disadvantage of Using CISS<br />
<ol>
<li>Difficult to maintain air pressure overtime due to room temperature changes </li>
<li>Some low quality ink are smudges all over the paper </li>
<li>Not all printers are easy to install and maintain </li>
</ol>
Despite of the disadvantages above many people are still willing to take the risk to use CISS because the economic benefits simply outweigh the losses by far. People who are determine to save cost, nothing is impossible for them to maintain the CISS to work at all time.<br />
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What are the materials required to make CISS (Continuous Ink Supply System)<br />
<br />
1. Choose printer which are easy to install and maintain - <a href="http://howtodosteps.blogspot.com/2011/03/what-is-best-printer-brandmodel-for.html">Read...</a><br />
2. You will need a complete set of CISS components and installation tool<br />
<ul>
<li>Empty Cartridge</li>
<li>CISS Tank Reservoir with host pipe</li>
<li>Elbow pipe</li>
<li>CISS pipe casing / Elbow ring</li>
<li>Pipe holder / clincher</li>
<li>Drill bit 3.6mm</li>
<li>Syringe – optional but convenient to refill CISS tank</li>
<li>Cartridge priming tool (sucker) – optional but necessary to maintain the CISS</li>
</ul>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhn_sMUoNhbnOFeRt0eRQUwD9YSzPZ35ADsPue8_OebTAGAYwvTmvBZAYJHrxghzBUHHpREYqXXmhGOY4f8hm_6mHB7aRE3rECQVi-BKsfh69EAySkvUKOkRjs0AIZzBLQiHiEARLXsS-4/s1600/CISS.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhn_sMUoNhbnOFeRt0eRQUwD9YSzPZ35ADsPue8_OebTAGAYwvTmvBZAYJHrxghzBUHHpREYqXXmhGOY4f8hm_6mHB7aRE3rECQVi-BKsfh69EAySkvUKOkRjs0AIZzBLQiHiEARLXsS-4/s1600/CISS.jpg" /></a></div>
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Note: There are some additional components such as rubber seal for HP cartridge and Chip Re-setter for Epson printer. You can buy the complete package from eBay and make sure all the components you need are in place. To things easier you can purchase pre-made CISS system that is ready to be installed on your printer.<br />
<br />
The cartridge priming tool (sucker) is usually sold separately from the CISS package and it cost around $3 to $6 each from China printer online store. This is a must have tool to keep for using CISS to fix the ink flow when the air pressure becomes unstable.<br />
<br />
<hr />
<br />
How to make CISS from scratch<br />
<br />
1. Get all the materials in place<br />
2. Drill the cartridge refill hole using the 3.6mm drill bit<br />
3. Insert the CISS pipe casing / Elbow ring into the drilled hole<br />
<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVmqvmUILMU4xRRfKKUBoipgyDXxDoCtT9uKpLDrDY4wKMU-60ry1JHXw6oePqJyBzeqyEm4UAboFyUa4tkn_1dS1xIRobOQwx3Sq98jXE9e9Un_TTFqRfAeqB4m8Z8NvRpztTeI1SSbE/s1600/IMG_5805.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVmqvmUILMU4xRRfKKUBoipgyDXxDoCtT9uKpLDrDY4wKMU-60ry1JHXw6oePqJyBzeqyEm4UAboFyUa4tkn_1dS1xIRobOQwx3Sq98jXE9e9Un_TTFqRfAeqB4m8Z8NvRpztTeI1SSbE/s1600/IMG_5805.JPG" /></a></div>
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How to install CISS to a printer<br />
<br />
1. Fill in the tank reservoir 90% of the tank volume.<br />
2. Once done place the tank reservoir on the table at least 1-2 meter above the ground<br />
3. Allow the ink to flow out into the pipe and block it when nearly goes out.<br />
4. Bend / curl the pipe up to content the ink inside the pipe and prevent it to flow out<br />
5. Once the pressure looks stable insert the elbow pipe into cartridge drilled hole<br />
6. Then place the cartridge into the printer cartridge compartment<br />
7. Make sure that the pipe is has enough length to travel back forth (left and right)<br />
8. Stick the pipe holder / clincher in the appropriate place of the printer preferable in the middle where the cartridge travel back and forth<br />
9. Place the Ink Tank reservoir level with the printer – do not put higher or lower<br />
10. Test the printing if the ink does not flow, use the cartridge priming tool to suck out the ink from the cartridge nozzle. It will force out the ink to flow from the ink tank reservoir.<br />
<br />
Note:<br />
<br />
1. Filling 90% tank is to allow air pressure to fill in the empty space of the tank<br />
2. Putting in high places is to get the gravity to pull out the ink and give it natural pressure<br />
3. Curling the pipe is to allow pressure to fill in the pipe and stay inside the pipe<br />
4. Enough pipe length to travel back and forth is because the cartridge swing left and right when printing<br />
5. Putting the pipe holder / clincher in the middle of the cartridge travelling path is to provide same length between left and right of the cartridge travelling destination when printing.<br />
<br />
How to test if CISS is working – get the tips here <a href="http://howtodosteps.blogspot.com/2010/07/how-to-maintain-or-increase-air.html">Read…</a>Adminhttp://www.blogger.com/profile/14877084041729340018noreply@blogger.com6tag:blogger.com,1999:blog-5968830829767059463.post-79399629255136474752019-03-29T07:14:00.000-07:002019-04-09T06:28:26.174-07:00Why the CISS ink not flowing into the cartridge - sponge cartridge problemI am going to share a trick, how to make the ink flow from the ink tank reservoir into the cartridge smoothly for Continuous Ink Supply System (CISS). This trick only apply to sponge type cartridge, where it uses sponge inside the cartridge to hold ink. Color printers made by Canon and HP usually use sponge type cartridges.<br />
<br />
I am using HP Photosmart C4580 All-In-One printer which can print, scan, and photocopy. Sometimes ago i have installed CISS system on it to save money printing at home especially for normal documents. And indeed the CISS is really save a lot of money because it can print and photocopy thousands of documents without worry running out of ink. And never think of buying new cartridges all the time which cost around RM57 (tri-color) and RM52 (black).when you can fill in the tank reservoir 100ml each for RM10 only.<br />
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The first time installing the CISS was very frustrating experience, keep trying one after another the ink still not flowing from the tank reservoir to the cartridge. However after repeated try and error, at last i found the solution to the problem.<br />
<br />
Note that the cartridge is using sponge, and if you don't push the sponge deeper it will always come up and block the host opening where the ink suppose to flow into the cartridge. The sponge also prevent the cartridge to have space vacuum to store air needed to hold the ink to flow in. So what you should do is take a piece of metal or long-enough object that can fit in the refill hole to push the sponge away from the hole.<br />
<br />
This will keep away the sponge from blocking the CISS ink to flow in. And also it store vacuum inside the cartridge that contains enough pressure to hold the ink from going backward to the tank reservoir.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUocZsUioyrrYzC5cp_GwJ63EN_vLiyVXEG-4Mp0UVOCcan1FsgExEnnt8n_8mdSMKNJiFaVQAl5tE_BoJwFHBhDUTyTGuRmgpq5OtI5vrqPeO9B7uQqkKJcuvbz6DJ7KnFZoXa6MjF70/s1600/HP+57+Cartridge.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="313" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUocZsUioyrrYzC5cp_GwJ63EN_vLiyVXEG-4Mp0UVOCcan1FsgExEnnt8n_8mdSMKNJiFaVQAl5tE_BoJwFHBhDUTyTGuRmgpq5OtI5vrqPeO9B7uQqkKJcuvbz6DJ7KnFZoXa6MjF70/s400/HP+57+Cartridge.jpg" width="400" /></a></div>
Also make sure the other two extra hold in the middle is sealed either by rubber sealer that comes with the CISS kit you purchased. Or you can use silicon gun to permanently seal it. If these two holes are not sealed, they allow air to escape from the cartridge thus no air pressure to hold the ink to flow in. And without air pressure the ink will reverse back to the ink tank reservoir.Adminhttp://www.blogger.com/profile/14877084041729340018noreply@blogger.com24tag:blogger.com,1999:blog-5968830829767059463.post-87066580857073957872019-03-29T07:10:00.000-07:002019-04-09T06:21:46.097-07:00Cheapest and most effective way to clean car scratches (Not removing scratches)There are quite a number of spot of scratches which i think for a long long time how to remove them. I've tried <a href="https://www.youtube.com/watch?v=7fwKyNot9cQ" target="_blank">fix it pro</a> before and it was cheap but unfortunately it's fake - i meant not the real fix it pro that they show on TV. Apart from that i also consider other way such as Meguiar's wax, Meguiar's Scratch X 2.0, Soft99, Tripplewax Metallic, Autosol metal polish, etc to remove the scratches but they are way too expensive to get.<br />
<div><br />
</div><div>Until today i tried the unexpected household product (toothpaste) which i never thought of before. So i get the cheapest toothpaste (Pepsodent brand 190 gram) from the store cost around RM2.99 to try.</div><div><script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script><br />
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</div><div>In this case i am going to clean the scratches NOT removing them because to remove it require special paint and skill to apply it right otherwise it becomes worst than it originally looks. Besides what make the scratches very obvious is because of the dirt penetrate within the scratches. Some of the scratches are not even scratches but stubborn oxidized chemical dirt that is difficult to remove using detergent or water.<br />
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<a href="http://howtodosteps.blogspot.my/2016/08/the-cheapest-most-effective-car-scratch.html" target="_blank">READ THE CHEAPEST scratch, bird poops, and tar stain cleaner</a></div><div><br />
</div><div><u><b>So this what i have done.</b></u></div><div><br />
</div><div>Step 1: Use any cloth preferably micro fiber because of it's soft and smooth structure to apply the toothpaste effectively. Soak in the water and squeeze to remove the excess water - not using wet cloth but a damn cloth since dry cloth tend apply more scratches if there are debris of sands or dirt on the cloth.</div><div><br />
</div><div>Step 2: Apply enough amount of toothpaste on the scratches - this is preference wise as long as you think is enough. Apply more when the scratches dirt still visible. </div><div><br />
</div><div>Step 3: Swipe the cloth back and forth follow the direction of the scratches until it is eventually disappear. Some stubborn dirt are more difficult to remove apply a little of hand pressure while swiping and apply more toothpaste if necessary. </div><div><br />
</div><div>Step 4: Once it is completely cleaned just wash away with water - looking closely you might still notice there are line of scratches but it is no longer visible from afar after the dirt is cleaned. The pictures below shows how terrible the scratches were and how cleaned looks after washed off using toothpaste.</div><div><br />
</div><div>So before buying expensive car wax next time think about your toothpaste. You can try it - nothing to loose other than your time and effort and a little amount of toothpaste. Cheers!</div><div><br />
</div><div><br />
<div class="separator" style="clear: both; text-align: left;">This is one of the cheapest toothpaste I've got but it work brilliantly compare to those expensive fancy brand car wax and polish or whatever scratch remover out there.</div><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjptjpdPZ-kVsmFdKKshXujbyJgt_klPfrGecsqs-gkdj5oZdreze-_IUaLoVEr2XxwjwrfZBFP7b38XGeVEV0Mn429nhxSy4AZ6HPUQvmJO3xFKxsJwoFgffL7-IPmP2sNYMHsf8RlmiA/s1600/Toothpaste+remove+car+scratches.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="299" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjptjpdPZ-kVsmFdKKshXujbyJgt_klPfrGecsqs-gkdj5oZdreze-_IUaLoVEr2XxwjwrfZBFP7b38XGeVEV0Mn429nhxSy4AZ6HPUQvmJO3xFKxsJwoFgffL7-IPmP2sNYMHsf8RlmiA/s400/Toothpaste+remove+car+scratches.jpg" width="400" /></a><br />
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<div class="separator" style="clear: both; text-align: left;">Look how bad the scratches are and metal dirt on the spotlight - it has been there nearly a year without anything can remove it. I was thinking to send it to the workshop for fixes but considering it might be expensive always stop me from doing so. The toothpaste really save my money.</div><script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikLupFxWQTqcNiFu5CQ0SBj-rXskizcFAljIIQwWissFmTDbhlR7UoZWpBSg1qMjZpv5tfvuf4GSulTChdbeSEykT0cB6RF1zs-UNxHpqjUbqfqQvfWoXliZYaG-0_pqryKhmIPF8OvNA/s1600/Remove+car+headlight+scratches+using+toothpaste.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="147" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikLupFxWQTqcNiFu5CQ0SBj-rXskizcFAljIIQwWissFmTDbhlR7UoZWpBSg1qMjZpv5tfvuf4GSulTChdbeSEykT0cB6RF1zs-UNxHpqjUbqfqQvfWoXliZYaG-0_pqryKhmIPF8OvNA/s1600/Remove+car+headlight+scratches+using+toothpaste.jpg" width="400" /></a><br />
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<div class="separator" style="clear: both; text-align: left;">Another terrible dented part on the front windscreen with metal dirt and rusted. After scrubbing it off with toothpaste even the metal itself revealed it's true color and most of the dirt are gone for good.</div><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBvNw0mAADsLQBWJuzRSvv-tjePzslcNCzHoT09dGvpy0lau1ROUUWYRwD_ekDGJHmz6y0NgSpB8R3Ynv0Zy5PjrxQzXwnSC9FCt0vhZSlZOod6XN85_EO8HqdirFKCEoQkZjPcvWJXP0/s1600/Remove+rusty+car+body+using+toothpaste.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="147" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBvNw0mAADsLQBWJuzRSvv-tjePzslcNCzHoT09dGvpy0lau1ROUUWYRwD_ekDGJHmz6y0NgSpB8R3Ynv0Zy5PjrxQzXwnSC9FCt0vhZSlZOod6XN85_EO8HqdirFKCEoQkZjPcvWJXP0/s1600/Remove+rusty+car+body+using+toothpaste.jpg" width="400" /></a><br />
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<div class="separator" style="clear: both; text-align: left;">This is the first time application of the toothpaste and it works - that's how everything move on from this point onward. That is a mixture scratches and metal oxidized dirt. It took me few minutes to scrub it off but it well worth it after completely cleaned</div><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiCb_SBopwv6AvsZeVjwHdZkHxgzIQmPI2cMBTgbDGJTZ7wGi6LQULgeHDozKwIWI_mJHp28Eys-GU4zESHiqJMIfkeI6XQHmolAH0vCvHw9Xt8vPLLls4PFrTsbr8WWl3wdEJ8Ay-1q1U/s1600/Remove+bad+car+scratches+using+toothpaste.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="143" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiCb_SBopwv6AvsZeVjwHdZkHxgzIQmPI2cMBTgbDGJTZ7wGi6LQULgeHDozKwIWI_mJHp28Eys-GU4zESHiqJMIfkeI6XQHmolAH0vCvHw9Xt8vPLLls4PFrTsbr8WWl3wdEJ8Ay-1q1U/s1600/Remove+bad+car+scratches+using+toothpaste.jpg" width="400" /></a><br />
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<div class="separator" style="clear: both; text-align: left;">Scratches around the car door knob - i know that every car must have this scratches and it's inevitable. Mark of scratches becomes obvious when dirt penetrate in it but this the easiest to clean as the scratches are shallow and only contracted minor dirt. It takes effortlessly like cleaning your plate after eating using the toothpaste</div><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhDq-lrQM4RHecEYvUPaJhua9XlJJJYjfocjoxA6EFkQ-BKlk8wDAJ1kn0wPVmw7eCrjTILBPt_cX94lxBJvCslb3CMKBi8a-PzIsgz7fibK5aTBQv6gDu2fkDU7_WDfEDS8sgCY8yz3_w/s1600/Toothpaste+remove+scratches+car+door+knob.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="147" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhDq-lrQM4RHecEYvUPaJhua9XlJJJYjfocjoxA6EFkQ-BKlk8wDAJ1kn0wPVmw7eCrjTILBPt_cX94lxBJvCslb3CMKBi8a-PzIsgz7fibK5aTBQv6gDu2fkDU7_WDfEDS8sgCY8yz3_w/s1600/Toothpaste+remove+scratches+car+door+knob.jpg" width="400" /></a><br />
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<div class="separator" style="clear: both; text-align: left;">Another serious bad scratches - by the look at first i thought it will only remove a little bit but after keep trying it's turned out to be perfectly cleaned using a toothpaste. That's super effective.</div><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3bbt2VENsFJ5fuK83sOkfKlccis9QjLvTCnFbHSz6k9abg4C4fZJ_SmxaFdLE9YG7VmgwRyZDsajS85XkMS1vQ2JmTxDFZ-vPsvcPlo01mCihhFZCTRTK_zIejvSRRwguNBSLcqppWbQ/s1600/Remove+big+car+scratches+using+toothpaste.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="147" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3bbt2VENsFJ5fuK83sOkfKlccis9QjLvTCnFbHSz6k9abg4C4fZJ_SmxaFdLE9YG7VmgwRyZDsajS85XkMS1vQ2JmTxDFZ-vPsvcPlo01mCihhFZCTRTK_zIejvSRRwguNBSLcqppWbQ/s1600/Remove+big+car+scratches+using+toothpaste.jpg" width="400" /></a><br />
<br />
<div class="separator" style="clear: both;">Another terrible dented area with oxidized dirt and deep scratches. Notice again not only it cleaned the dirt but also the metal itself as you can see the color a little shined.</div><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiH1YnWE389asXLECkU0-nj8fJ6u4yC7fe_-FvupSsaFTUvrQw-WvB8ThHSQdgLQUpI5BBV1EJE7e0oCgWPzl13JmIaqifJFO4EWXRJqu2EBRsbP8cyn-r78lmVi-44dM0KgVX2dJUFWe0/s1600/Remove+big+large+car+scratches+toothpaste.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="147" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiH1YnWE389asXLECkU0-nj8fJ6u4yC7fe_-FvupSsaFTUvrQw-WvB8ThHSQdgLQUpI5BBV1EJE7e0oCgWPzl13JmIaqifJFO4EWXRJqu2EBRsbP8cyn-r78lmVi-44dM0KgVX2dJUFWe0/s1600/Remove+big+large+car+scratches+toothpaste.jpg" width="400" /></a><br />
<br />
<div class="separator" style="clear: both; text-align: left;">This one is okay and can be removed normally </div><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgoUW0vy9iYQJ1dBeyyzCHw1518cSuPHcixRbh73Cn6mtBrMrOXHPzD6aZqtHGE6LkKjIhuDGxtNzA0kpMYEA8YUDo-Ap1pdplB4kFqXiZVBRaucj4S3_ywTvVw0sJNhZM6cq-YoJwxSnQ/s1600/Remove+car+scratches+using+toothpaste.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="147" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgoUW0vy9iYQJ1dBeyyzCHw1518cSuPHcixRbh73Cn6mtBrMrOXHPzD6aZqtHGE6LkKjIhuDGxtNzA0kpMYEA8YUDo-Ap1pdplB4kFqXiZVBRaucj4S3_ywTvVw0sJNhZM6cq-YoJwxSnQ/s1600/Remove+car+scratches+using+toothpaste.jpg" width="400" /></a><br />
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</div><br />
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</div>Adminhttp://www.blogger.com/profile/14877084041729340018noreply@blogger.com2tag:blogger.com,1999:blog-5968830829767059463.post-55389713588595046732019-03-28T22:06:00.000-07:002019-04-03T07:52:24.384-07:00LM386 amplifier circuit schematic diagram complete 99.9% noise removal from ground loopFor those who are new to the LM386 IC may stumbled to a point facing all sort of noise related problem when using it to make an amplifier circuit just like me. It can be very challenging to avoid the sensitive noise and in fact the ground signal from our body contact also can cause significant distortion to the sound output of the circuit. You can try this just by putting your hand or touching one of the circuit component that is not grounded - the distortion noise is very obvious.<br />
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There are many videos on YouTube from some experience and experts showing how to avoid the ground loop noise from the Lm386 circuit by correctly connecting all the ground connection. Indeed this has very significant improvement that we should take note how to connect the ground to avoid noise.<br />
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However this solution is not enough to completely remove the ground noise - and when you put your ears close to the speaker you can still significant listen to the screeching / crackling noise in the output even if there is no sound to amplify. Indeed it is very annoying and frustrating for some at least to me. Especially earphone / headphone the noise is very obvious since it is placed right on the ears - the noise is not very pleasant to hear.<br />
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So after making some research i discovered the perfect solution to avoid the ground noise. And two of this component place at the input and the output would ultimately remove the noise. When there is no sound to amplify there is 100% clean no noise at all completely quiet. The two component are a mini transformer place at the input (step down mode) and a coupled inductor place at the output.<br />
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The circuit schematic is look like this. Now for the first time you can use the LM386 circuit to make a mini earphone / headphone amplifier without worrying about the distorted crackling and screeching noise. This is for real 100% working circuit as per prototype shown in the video!<br />
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<iframe allowfullscreen="" frameborder="0" height="276" src="https://www.youtube-nocookie.com/embed/0VRHnImy9Xg?ecver=1" width="450"></iframe><br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjaleJfrQhZkHjn7MSVaIkbgpehMrN5PTXOFD90YsmKSHLOM_VsFAYzIo-C4bJQ0vhqIpypbp0aDgLF2ST1zOR7Jc282GE23VC6SBV4nnMAquaRnEeBe2LtlblNSJn9YhI6YQEnqVPlTcU/s1600/LM386+amplifier+circuit+complete+noise+removal.jpg" imageanchor="1"><img border="0" height="155" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjaleJfrQhZkHjn7MSVaIkbgpehMrN5PTXOFD90YsmKSHLOM_VsFAYzIo-C4bJQ0vhqIpypbp0aDgLF2ST1zOR7Jc282GE23VC6SBV4nnMAquaRnEeBe2LtlblNSJn9YhI6YQEnqVPlTcU/s400/LM386+amplifier+circuit+complete+noise+removal.jpg" width="400" /></a><br />
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Real physical schematic diagram LM386 noise cancel (remover)<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhblXpLA9Otac_cz-QAW7fc7OVRZGURqcaCIDIuRHXsfM2SgQ4xFLxMWGdTp54rUiF1ePumQfBodlVxv7-w0r0hz0zwysZg1mP8yOObBUsslpxGM0KAB7k02qVFtJDktQ5IrICNotf3GwM/s1600/LM386+Noise+Remover.JPG" imageanchor="1"><img border="0" height="302" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhblXpLA9Otac_cz-QAW7fc7OVRZGURqcaCIDIuRHXsfM2SgQ4xFLxMWGdTp54rUiF1ePumQfBodlVxv7-w0r0hz0zwysZg1mP8yOObBUsslpxGM0KAB7k02qVFtJDktQ5IrICNotf3GwM/s400/LM386+Noise+Remover.JPG" width="400" /></a>Unknownnoreply@blogger.com13tag:blogger.com,1999:blog-5968830829767059463.post-52501031886009670982019-03-28T09:49:00.000-07:002019-04-03T07:51:07.903-07:00Easy simple stereo amplifier circuit using TEA2025B IC - powered by 5 Volt USBA very simple stereo amplifier circuit using TEA2025B IC chip powered by 5 volt USB. The component is quite are not very complicated just some electrolyte capacitors and ceramic capacitors as well as potentiometer. The sound is extremely loud - I am pretty sure further research to improve the circuit will produce good sound especially the bass.<br />
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The schematic is shown as below.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjys84UwBf8uEee1pOQrUhQwUzJJsgMMEq45dTbSEHhAJh5AB8aSyfxGkbM_4jGjcbwgcC_9jYsafcB08lVdRWyiXj3-kAYwJW-PORh-Dga3yBuSKOqYPdYXlYm4yqaSmgJauDOx00hUHk/s1600/TEA2025B.png" imageanchor="1"><img border="0" height="302" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjys84UwBf8uEee1pOQrUhQwUzJJsgMMEq45dTbSEHhAJh5AB8aSyfxGkbM_4jGjcbwgcC_9jYsafcB08lVdRWyiXj3-kAYwJW-PORh-Dga3yBuSKOqYPdYXlYm4yqaSmgJauDOx00hUHk/s400/TEA2025B.png" width="400" /></a><br />
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<iframe allowfullscreen="" frameborder="0" height="276" src="https://www.youtube-nocookie.com/embed/WrcaWJVcQBk?ecver=1" width="490"></iframe>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-5968830829767059463.post-55254580328781858152019-03-28T09:35:00.000-07:002019-04-03T07:46:49.731-07:00How to increase 4G internet speed on Android smart phoneOne of the most interesting software that I've just download recently from the Google Play store and it's completely free to use. It is called Connection Stabilizer Booster - you can just type the keywords on Google Play Store it should just pop up in the list to download for free.<br />
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After using it almost a week I think there is some improvement on my 4G DiGi internet connection speed although you can't barely see it but there is a consistent sign of internet broad becomes faster when the Connection Stabilizer Booster is turned on.<br />
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How to use it is very easy just tap on Keep Alive and select Mobile Data if you want it to work on 4G mobile signal or WiFi for wireless internet connection. See the screenshot below. As long as Keep Alive is turned on the software will automatically refresh and switch connection either Mobile Data or WiFi depending on which connection is your smart phone connected to.<br />
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The idea of the Connection Stabilizer Booster is to force refresh the connection so that the internet connection will force itself onto the phone connection making it faster to work.<br />
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It is currently available for Android smart phone and i couldn't find any in Apple store yet for iPhone version. So anyway if you are using android you could try it - there is nothing too loose only and it's free.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEisggjx6Zvnq9_JCkkskzOdEWtOlP0lh5jiOL1pKuff3jEr5o1rFZHVYHZ1VvcZbXZ79guz_keicM0YxWiNfem5HzQW6NVAuy1g38mwskFJ5slISDKX-NuUhskKt8jnZUecfP3sym2b6SI/s1600/Increase+4G+speed+connection+stabilizer+booster.png" imageanchor="1" ><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEisggjx6Zvnq9_JCkkskzOdEWtOlP0lh5jiOL1pKuff3jEr5o1rFZHVYHZ1VvcZbXZ79guz_keicM0YxWiNfem5HzQW6NVAuy1g38mwskFJ5slISDKX-NuUhskKt8jnZUecfP3sym2b6SI/s1600/Increase+4G+speed+connection+stabilizer+booster.png" data-original-width="490" data-original-height="871" /></a><br />
Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-5968830829767059463.post-41364931594657180952019-03-28T08:17:00.000-07:002019-04-03T07:49:46.222-07:00How to make audio 5 Volt diy guitar stereo guitar amp on breadboardVery cheap and simple guitar audio amplifier using the TEA2025B. You can get $0.99 for 10 unit of the TEA2025B IC on eBay.com where i got mine. This is my prototype demonstration on a breadboard and it turns out not bad. The output sound is pretty decent for a small sub-speaker.<br />
<div><br />
</div><div>The clarity of the sound is obviously better than the recommended LM386 IC that people use for a small guitar amp DIY that i've found in Google. Dual speaker in the video is just a demonstration and it is possible to make a mono output using a different setup of the circuit schematic. For the time being i will stick to this until further improvement in the future. I would like to make this for real for myself so that i can fine tune the distortion and tone control. </div><div><script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script><br />
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</div><div>There will be improvement in the future for this circuit possibly with the addition of pre-amp circuit to allow controlling the tone and also alter the sound clarity.<br />
<br />
<h3>TEA2025B IC How it works?</h3><br />
The IC internal structure actually builds based on 2 separate amplifiers circuit combined and that's why it can generate stereo output sound. Refer to the diagram below as you can see pin 9 to 15 is the first amplifier with an input, ground, and output. Pin 2 to 7 is the second amplifier circuit. If you observe closely over and over again the circuitry in the IC actually very simple.<br />
<br />
Pin 16 is positive power source comes in.</div><div><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZCmrniUq_Usu3KW_PHfypesOXszUbIOcf9UfyZiGC55Azu3v7ylZggN4t3viQ27a3STj78Ri1veoMSDTzpgqbWIKC38aDRbSqnjZ_6yWperUT1qtAo1VJS9LGrqqJmRDw6WyWSCxMMVo/s1600/TEA2025B.jpg" imageanchor="1"><img border="0" data-original-height="267" data-original-width="553" height="193" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZCmrniUq_Usu3KW_PHfypesOXszUbIOcf9UfyZiGC55Azu3v7ylZggN4t3viQ27a3STj78Ri1veoMSDTzpgqbWIKC38aDRbSqnjZ_6yWperUT1qtAo1VJS9LGrqqJmRDw6WyWSCxMMVo/s400/TEA2025B.jpg" width="400" /></a><br />
<br />
The stereo version of the circuit optimizes both input on pin 10 (first amplifier) and 7 (second amplifier) and the output separately out on pin 15 and 2 respectively. The component required is pretty simple and common.<br />
<br />
TEA2025B<br />
2 x 0.22uF Ceramic capacitor<br />
2 x 0.15uF Ceramic capacitors<br />
2 x 470uF Electrolyte capacitors<br />
2 x 10k potentiometer / variable resistors at the input<br />
6 x 100uF electrolyte capacitors<br />
2 x speakers<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjguj_xqhTtfrx95gwe-PZCU4jurdILaOOfrIJllWGaFwWoPOp42WY4V8t8bvP7QS5PEQf5Yt2mouy-7MhStrTL9l9I_fyvQv3M0vP3jQcMjF2xHCn44JESgC5Omly4VoAypJEN6Oh1kDs/s1600/TEA2025B+amplifier+stereo.png" imageanchor="1"><img border="0" data-original-height="836" data-original-width="1060" height="315" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjguj_xqhTtfrx95gwe-PZCU4jurdILaOOfrIJllWGaFwWoPOp42WY4V8t8bvP7QS5PEQf5Yt2mouy-7MhStrTL9l9I_fyvQv3M0vP3jQcMjF2xHCn44JESgC5Omly4VoAypJEN6Oh1kDs/s400/TEA2025B+amplifier+stereo.png" width="400" /></a><br />
<br />
The internal structure of the TEA202B is as shown below.<br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj5awTvVbaV4qlysuNGd5swSF0Vi7xN3oSFUCKcprx7CONX2WFd95dCmnJkoZNZSE-7vCRw1CsmXbJr2RJTORI_hORXpOJjZTLhWhy1A9NxDwEqtvLtoS63Jq32yxAYiTeFqciEDUnUt4E/s1600/TEA2025B+Amplifier+circuit.jpg" imageanchor="1"><img border="0" data-original-height="356" data-original-width="640" height="223" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj5awTvVbaV4qlysuNGd5swSF0Vi7xN3oSFUCKcprx7CONX2WFd95dCmnJkoZNZSE-7vCRw1CsmXbJr2RJTORI_hORXpOJjZTLhWhy1A9NxDwEqtvLtoS63Jq32yxAYiTeFqciEDUnUt4E/s400/TEA2025B+Amplifier+circuit.jpg" width="400" /></a><br />
<br />
The mono version of the amplifier only utilizes the first amplifier input on pin 10. While the second amplifier input is connected to the ground. The component in the TEA2025B mono amplifier is as follow:<br />
<br />
TEA2025B<br />
0.22uF Ceramic capacitor<br />
2 x 0.15uF Ceramic capacitors<br />
10kOhm resistor - reduce noise<br />
6 x 100uF electrolyte capacitors<br />
speaker<br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhMiQIMb0Btgsavx4qfhQqBdjkHuv4V5-IdOvIbsC8dLxd31aRg-gJAqyfmCVH2FzHg82cTGaO6cR8_3ICWvVHZcW7BXyINGI0RSwKPpO_J4h18cwv1_gBIXVO-MwGP-iQ2fdKNwmVu4gY/s1600/tea2025+mono.png" imageanchor="1"><img border="0" data-original-height="955" data-original-width="1509" height="253" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhMiQIMb0Btgsavx4qfhQqBdjkHuv4V5-IdOvIbsC8dLxd31aRg-gJAqyfmCVH2FzHg82cTGaO6cR8_3ICWvVHZcW7BXyINGI0RSwKPpO_J4h18cwv1_gBIXVO-MwGP-iQ2fdKNwmVu4gY/s400/tea2025+mono.png" width="400" /></a><br />
<br />
The advantage of TEA2025B is the power it uses is very small from 5 volts up to 15 volts as per datasheet. Even at 5 Volt the circuit is already sound quite loud and that gives the advantage of instead using batteries that will drain out juice we can use 5 Volt USB power from computers and mobile chargers.<br />
<br />
<h3>TEA2025B Noise</h3>Just like the LM386 the TEA2025B is very sensitive to ground noise - and there is all sort of noise coming from the surrounding environment including from strong RF frequency and floors. You can test this just put your hand closer to the circuit the noise becoming worst.<br />
<br />
Secondly, if you are using USB power supply there is also noise coming from the AC to DC conversion. That small electromagnetic fields disturbance could really affect the amplifier sound.<br />
<br />
How to handle the noise is to use a resistor - this you can experiment for example you can try 370 Ohm at the input signal connected to the ground. Secondly, a resistor with the same value connects between the negative power source to the ground pin of the IC. This will reduce noise significantly and if you want it to be perfect you have to experiment on your circuit which one resistor value suit the best.<br />
<br />
<iframe allowfullscreen="" frameborder="0" height="276" src="https://www.youtube.com/embed/1SSpJtTWZqE?ecver=1" width="450"></iframe><br />
</div><br />
<span style="color: white;">how to make guitar amp | DIY audio amplifier | homemade iPhone amplifier | tutorial to make mp3 amplifier | cheap mini amplifier | make a very simple mini amplifier | DIY loud bass amplifier | how to make strong bass amp </span>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-5968830829767059463.post-28961292423244828232019-03-28T07:27:00.000-07:002019-07-16T07:25:37.604-07:00Home made DIY - How to make auto scan radio on breadboardThis is my first homemade DIY auto scan radio. Yes -- usually small radio is based on analog with the coil antenna which is difficult to wind to a specific band. This radio circuit only depends on one central microchip BK1079 and in fact, this is just a prototype and it works quite well on a breadboard. <br />
<br />
<h3>The Good auto-scan radio.</h3><br />
It does not require specific antenna winding like the analog radio - which reduces the experimental job on the antenna. It depends on the processing frequency within the microchip as long as the radio signal is within reach it can detect all the FM frequencies in range just with the push of seeking button.<br />
<br />
<h3>Component Required for building the Auto-scan radio</h3><br />
1 x BK1079 radio chip <br />
1 x 100 nH - inductor<br />
1 x 18 pF ceramic capacitor<br />
1 x 100 nF ceramic capacitor<br />
1 x 10 uF electrolyte capacitor<br />
3 x 10 kOhm resistors<br />
3 x push button (reset, seek, and volume)<br />
1 x antenna (simple)<br />
2 x AA Batteries (3 volt DC)<br />
<br />
<h3>How to make </h3><br />
Step 1: Convert BK1079 SMD to use Through Hole pin using MSOP-10 board adapter<br />
<br />
Firstly I am working on through board/breadboard and the BK1079 is an SMD (surface mount device) mount. We need an adapter board which converts the BK1079 to use for through-hole board purposes with pin package MSOP-10. In this case, I don't have MSOP-10 but I can still use alternative board MSOP-16 which has more pins.<br />
<br />
The soldering process requires some experience since the pin are very tiny and close to one another. One thing you have to avoid is the bridging join during soldering.<br />
<br />
Step 2: The components assembly<br />
<br />
The assembly on breadboard seems to be easy since it is just plugged into the holes. However, bear in mind that anything to do with frequency transmission requires a very solid connection. So you don't want any loose connection otherwise the radio signal will fail or too much noise later on. Find breadboard cable jumper that snug fit into the board holes. This is to prevent noise or failed frequency signal.<br />
<br />
Then assemble the component based on this simple schematic diagram below.<br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhV2x3qdr4lefvotYMnlipoByy9YwmiV7kt3ZiDDHXBS2bNnLIijBJczF0vG_T-olklb0wWh21NckdJYjQVnGSpg8JM6YgnDRV7UwMTJnaWdnMqNwu8qq-jDRfFEGpcBFotDc-j26oe1kw/s1600/Radio2.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="288" data-original-width="801" height="143" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhV2x3qdr4lefvotYMnlipoByy9YwmiV7kt3ZiDDHXBS2bNnLIijBJczF0vG_T-olklb0wWh21NckdJYjQVnGSpg8JM6YgnDRV7UwMTJnaWdnMqNwu8qq-jDRfFEGpcBFotDc-j26oe1kw/s400/Radio2.jpg" width="400" /></a><br />
<br />
Realistic circuit diagram Auto scan radio<br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_ltyHDZQm4IY7lqLNG8Ty7peWGtrhuWlFniZUTlxiMEf35e4GxuZI8pb2dkRSrvKYrZ-dntnBxfxoV9GpB9E8XwrQtvQdwreWJFYbdHicndd-OhQA5DLtUomE-BZI6Lz7GHho1lqalgE/s1600/BK1079+auto+seek+radio.png" imageanchor="1" ><img border="0" alt="auto scan radio circuit" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_ltyHDZQm4IY7lqLNG8Ty7peWGtrhuWlFniZUTlxiMEf35e4GxuZI8pb2dkRSrvKYrZ-dntnBxfxoV9GpB9E8XwrQtvQdwreWJFYbdHicndd-OhQA5DLtUomE-BZI6Lz7GHho1lqalgE/s400/BK1079+auto+seek+radio.png" width="400" height="300" data-original-width="960" data-original-height="720" /></a><br />
<br />
The antenna is optional - because it does not bring so much different to signal received based on my experiment. The microchip is so special that it can receive signal quite clear even without an antenna but perhaps just get one or a piece of wire as antenna just to make sure everything are in place. However if you have germanium diode as the antenna that would be the best because it can capture all range of radio frequencies from MF (Medium Frequency), HF (High Frequency), VHF (Very High Frequency), and UHF (Ultra High Frequency) which means from normal radio signals up to ultra-high mobile phone signal such as 4G LTE.<br />
<br />
It is advisable to solder the push button on permanent circuit board because putting it on the breadboard would be too shaky and it will fail the circuit. So by soldering on permanent board, it's placement is rock solid.<br />
<br />
Step 3: Testing the output<br />
<br />
Try not to use higher voltage to avoid burning the circuit - so use the specified voltage using 2 AA batteries (3 volts). Secondly, try to get the speaker a little longer cable so that you can put a little bit further than the circuit during testing. Because if you the speaker is too close it could disrupt the signal and produce great noise than usual. Good luck with your project.<br />
<br />
<iframe allow="autoplay; encrypted-media" allowfullscreen="" frameborder="0" height="315" src="https://www.youtube.com/embed/2Kz94nWQFBs" width="450"></iframe><br />
<br />
<iframe allow="autoplay; encrypted-media" allowfullscreen="" frameborder="0" height="315" src="https://www.youtube.com/embed/-ePG--ICvGY" width="450"></iframe><br />
<br />
<span style="color: white;">How to build homemade radio that works | DIY auto seek radio | How to make auto scan radio | easy radio circuit | simple homemade radio circuit diagram | How to create simple AM radio | DIY FM radio | crystal radio | germanium diodes radio | Complete guide how to build FM radio | DIY radio receiver circuit | How FM / AM radio works | make auto search FM radio tutorial | How to build a radio | how to make your own pirate radio </span>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-5968830829767059463.post-38220179367528024262019-03-28T06:10:00.000-07:002019-04-03T07:49:01.162-07:00How to cancel / terminate TM streamyx internet It has been 6 years ups and downs with TM streamyx but the recently instability in the connection is completely unacceptable. The internet connection is on and off every 1 or 2 minutes and it happens almost everyday. In the past it wasn't so bad at least take few hours but this time it's totally unusable.<br />
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I fully understand the TM always recommend to call their support but that will helps only a while and the problem will come back again sooner or later. I know this for the past 6 years so - it's a kind of standard problem. It's time to stop paying RM130 a month for 2 Mbps connection which in actual usually around 1 Mbps or less or most of the time cut off frequently.<br />
<br />
Probably this is the cause of shared internet connection - once the residential users increases especially the heavy internet users then someone else going to suffer for it. So i will solve this once and for all at least for now and never again. Until TM improve the connection and service significantly - one thing for sure is no point to provide internet and let the users pay for it but it is totally unusable. It stops a lot of thing especially in term of work and entertainment.<br />
<br />
By the way I've made some reading across few forums and there are plenty of complaints by other people about their streamyx connection problem. So i guess i am not the only one having this problem. It would be good if there are new internet service provider to fill in this gap left by TM i guess a lot of people will migrate their internet connection instantly. Like in matter of weeks.<br />
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So here is how it was done<br />
<br />
1. Go to nearest TM point (in my case UTC Taman Kereta Kuching)<br />
2. Inform the officer you want to terminate the streamyx service<br />
3. They will ask for reasons - my case is simple bad connection<br />
4. Identity Card (IC)<br />
5. Fill in the cancellation / termination service form as below<br />
<br />
How long does it need to disconnect? As stated in the document it takes at least 14 days (2 weeks) for the Streamyx termination process to be completed.<br />
<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCgWKV9wxLRarKp7bzgy3fmPywzA4_9KQlldS64-EaDaJ-hpUW5N8d6SL7vjKgj0YrHca-X2X9Wfrby5XI3IBQXS6XzByIr8nv6_47FRlqOp6APVDpBSmXkfyfNTMR3syBdMjXW_7YCjQ/s1600/TM+termination+form.jpeg" imageanchor="1"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCgWKV9wxLRarKp7bzgy3fmPywzA4_9KQlldS64-EaDaJ-hpUW5N8d6SL7vjKgj0YrHca-X2X9Wfrby5XI3IBQXS6XzByIr8nv6_47FRlqOp6APVDpBSmXkfyfNTMR3syBdMjXW_7YCjQ/s400/TM+termination+form.jpeg" width="291" /></a><br />
<br />
<span style="color: white;">Berapa lama streamyx pembatalan? 14 hari (2 minggu) | Borang pembatalan perkhidmatan internet TM streamyx | Potong streamyx</span>Unknownnoreply@blogger.com4tag:blogger.com,1999:blog-5968830829767059463.post-41580126639597309202019-03-27T21:00:00.000-07:002019-04-03T07:59:44.213-07:00Cheap Chunghop K-1028E a/c (air conditioner) universal remote control 1000 in 1 (York replacement remote)Very cheap and the best Chunghop York air conditioner remote control replacement. It cost only RM 15 from Mr.DIY shop and it says can work for almost all air conditioner brand out there. The setting is very simple and easy.<br />
<br />
1. Press Set button<br />
2. Use the Temp button to adjust the code in my case York Air conditioner = 774. If the code is correct the Air Conditioner unit will respond either Turned On or Turned Off with the beep sound.<br />
3. Press OK button - now the remote is ready for use. See images below<br />
<br />
Note: Sometimes the Chunghop remote may not working after using certain code provided by the manufacturers. It is because the manufacturers may have wrongly stated the code number in the package. Try different code because some airconditioner may use the same code in order for it work. When the right code is key in the airconditioner will automatically respond with a beep whether to turned on or off.<br />
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<br />
A/C Codes Settings:<br />
<br />
ACSOM 980<br />
ADC 861<br />
AIDELONG 293-295<br />
AITE 296-299<br />
AKIRA 796-797<br />
ALPIN 989-991, 998<br />
AMCOR 501, 508, 509, 532, 973, 978, 979<br />
AMICO 982<br />
AOKE 301-302<br />
AOLI 300<br />
APTON 862<br />
AUCMA 210-229, 933<br />
AUX 180-199<br />
BAIXUE 299<br />
BEIJINGDINGDIAN 304<br />
BIG-THUMB 331<br />
BLUE STAR 057, 550, 887<br />
BOERKA 630, 305-306<br />
BORLER 307<br />
BOSHI 310<br />
BOSHIGAO 308-309<br />
CAIXING 311<br />
CARRIER 399, 690-699, 890-899<br />
CHANGFENG 190<br />
CHANGFU 835-838<br />
CHANGHONG 059-079, 934, 947<br />
CHANGLING 312-323<br />
CHENGYUAN 324<br />
CHIGO 080-099<br />
CHUANGHUA 325-328<br />
CHUANYAN 861<br />
CHUNLAN 170-179<br />
COLROLLA 861<br />
CONROWA 337-341<br />
CORONA 760-769<br />
CROWN 861<br />
DAEWOO 332-333<br />
DAIKIN 740-759<br />
DAJINXING 329-330<br />
DAKE 861<br />
DAOTIAN 821-824<br />
DELONGHI 900<br />
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DIY 044, 090, 092, 095<br />
DONGXIA 334-335<br />
DONGXINBAO 260-268<br />
DUNAN 336<br />
ELCO 982<br />
ELECTER 981-986<br />
ELECTROLUX 471-474, 807-808, 250, 906<br />
FEDDERS 878<br />
FEIEDRICH 879<br />
FEIGE 829-830<br />
FEILU 240-249<br />
FERROLI 901<br />
FIRST 864<br />
FRESTECH 270-279, 944-945<br />
FUJITSU 700-719<br />
FUNIKI 992<br />
GALANZ 124-129, 134-139, 936-940<br />
GEER 342-343<br />
GLEE 280<br />
GOLDSTAR 303<br />
GREE 000, 020-039<br />
GUANGDA 345-346<br />
GUQIAO 344<br />
HAIER 001-019<br />
HELTON 863<br />
HEMILTON 095<br />
HICON 391-392<br />
HISENSE 230-239<br />
HITACHI 640-659<br />
HONGYI 347<br />
HUABAO 100-109<br />
HUAGAO 348<br />
HUAKE 349-350<br />
HUALING 150-169, 045<br />
HUAMEI 351-352<br />
HUANGHE 353<br />
HUAWEI 281<br />
HUIFENG 354-356, 357, 360<br />
HYUNDAI 780-789<br />
INYCIN 475-483<br />
JIALE 358<br />
JIANGNAN 359<br />
JINBEIJING 361-362<br />
JINDA 491-492<br />
JINSONG 363-365<br />
JMSTAR 360<br />
JOHNSO 282<br />
KANGLI 368-370<br />
KELONG 110-119<br />
KLIMATAIR 797-800<br />
KONKA 366-367<br />
KRIS 804-805<br />
KT02_D001 283<br />
KT02_D002 284<br />
KTY001 285<br />
KTY002 286<br />
KTY003 287<br />
KTY004 288<br />
KTY005 289<br />
LG 600-609<br />
LIANGLYU 780<br />
LIKEAIR 386-387<br />
LITTLESWAN 453<br />
LONGHE 861<br />
LOREN-SEBO 801-803<br />
MCQUAY 790-795<br />
MEILING 388-391<br />
MIDEA 040-058<br />
MINGXING, BOYIN 290<br />
MITSUBISHI 551-599<br />
MITSUKA 904<br />
NATIONAL/PANASONIC 660-689<br />
NIKKO 810-811<br />
NISO 398-399, 497<br />
NORCA 994<br />
OGENERAL 659, 717, 718, 719<br />
OLYMPUS 995-996<br />
OPAL 997<br />
PANDA 464-466<br />
PEREG 998<br />
PILOT 902<br />
PINSHANG, XINHUABAO 290<br />
PUYI 862<br />
QIXING 393<br />
RAYBAO 371-383<br />
RHOSS 903<br />
RICAI 394<br />
RIJIANG 395-397<br />
ROWA 383-385<br />
SACON 414<br />
SAMSUNG 610-629<br />
SANYONEC 500-550, 860, 943, 946<br />
SANZUAN 190<br />
SAPORO 861<br />
SAST 450-452<br />
SENSOR 860<br />
SERENE 499<br />
SHAMEI 400<br />
SHANGLING 403-409<br />
SHANXING 401-402<br />
SHANYE 862<br />
SHARP 720-739<br />
SHENBAO 410-411<br />
SHENGFENG 412<br />
SHENGFENG\FEILU 413<br />
SHINCO 200-209<br />
SIGMA 415<br />
SOGO 291<br />
SONGLINXIA 862<br />
SONGXING 419<br />
SOVA 292, 420<br />
SOWA 862-863<br />
SOYEA 421-422<br />
SPEED 987<br />
SRTC 423<br />
STARIGHT-AIRCON 880<br />
SUNBURG 817-820<br />
TADIAIR 501, 508, 509, 532<br />
TADIRAN 501, 508, 509, 532, 630, 969, 978,979, 991<br />
TAIYA 862<br />
TCL 120-133<br />
TEAC 850-859<br />
TECO 831-834<br />
TIANJINKONGTIAO 424<br />
TIANYUAN 425-428<br />
TOBO 250-269<br />
TONGLI 429-430<br />
TOSHIBA 630-639<br />
TOTALINE 548<br />
TOYO 825-828<br />
TRANE 812-816<br />
UNI-AIR 368-369<br />
UTTLEDUCK 454-456<br />
VIDEOCON 597, 627, 628, 629, 884<br />
VOLTAS 056, 057, 549,598,609, 627, 628, 629<br />
WANBAO 431-433<br />
WANGZI 861<br />
WEILI 434-443, 553-576<br />
WEITELI 444<br />
WHIRLPOOL 119, 550, 770, 774, 739<br />
WUFENG 445-446<br />
XILENG 448-449<br />
XINGHE 462-463<br />
XINLE 457-460<br />
XINLING 461<br />
XIONGDI 862<br />
YAIR 467-471, 044, 013,-015<br />
YAOMA 470<br />
YIDONG 499<br />
YORK 775-779<br />
YUETU 949<br />
YUTU 484-490<br />
ZONGYI 493-494<br />
ZUODAN 495<br />
OTHER 496, 498, 821-828, 839-849, 865-877, 905-976, 999<br />
<br />
<span style="color: white;">York Remote control replacement | York Remote control ganti | York remote control spare spart | Chunghop K-1028E manual guide | Chunghop K-1028E how to setup | Chunghop K-1028E how to change code | </span>Adminhttp://www.blogger.com/profile/14877084041729340018noreply@blogger.com119tag:blogger.com,1999:blog-5968830829767059463.post-8082565629761939872019-03-27T08:56:00.000-07:002019-04-03T07:53:27.294-07:00DC to DC boost converter step up 4 volt to 12 volt LM2577Another good demonstration of the LM2577 boost converter IC to upgrade mini-portable fan power. The original circuit of the fast is quite slow and the speed runs as if it was using the battery directly. Since i still need this fan to keep away soldering smokes so i decided to use the LM2577 IC to upgrade the power from 4 volts to 12 volts DC. It turns out to be a perfect upgrade - now i can use my USB 5 Volt port to power up this fan instead of the battery to avoid recharging it over and over again. I have tried a few IC before for example using 555 timer + mosfet and also the Linear Technology LT1172 but the result is not turn as i expected. Although the voltage is upgrade but the amperage output is not satisfactory compare to the LM2577. Apart from that the simplicity of the circuit and also the regulated voltage output is really perfect a small voltage step up. <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQFpGZGFmSFZ09mMhSw0-bUJKrvg-Uzaa4aWo6JOH_-OkZRnHBU1YAylZOdBvU0jziBfsFOPUnPzGeFh7udmghx8S1DeANy5Fxia5mzcy9KdY_ivDvCvctxNJ4VOcx8EI9M9jVoeSTrhg/s1600/2016-07-24_22-43-24.jpg" imageanchor="1"><img border="0" height="154" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQFpGZGFmSFZ09mMhSw0-bUJKrvg-Uzaa4aWo6JOH_-OkZRnHBU1YAylZOdBvU0jziBfsFOPUnPzGeFh7udmghx8S1DeANy5Fxia5mzcy9KdY_ivDvCvctxNJ4VOcx8EI9M9jVoeSTrhg/s400/2016-07-24_22-43-24.jpg" width="400" /></a> <br />
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