Friday, August 12, 2016

Make flashlight from body heat - Free Energy (battery-less torchlight)

Very interesting project that will revolutionized the world of torchlight - using Peltier Module TEG to power up LED using body. When you touch the device the heat will transfer and charge the super capacitor and eventually lights up the LED. Simple yet amazing invention - the future is batteryless

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Adjustable DC to DC step up voltage booster using LM2577 -Adj P+ chip

One simple circuit to step up voltage using LM2577 -Adj P+ chip. The schematic is from Texas Instrument and it works expected - and below is...