Monday, February 20, 2017

555 Timer LED flash and beeping siren sound circuit

Using 555 timer to drive flashing / blinking LED and beeping siren sound - this is another simple circuit that has quite plenty of application in the real world.

Component

1 x 555 Timer chip
1 x 680 uF Electrolyte capacitor
1 x 150 Ohm resistor
1 x buzzer
1 x LED
1 x 9 Volt battery optional and 5 Volt also can be used.
1 x Breadboard



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