How To Make a Touch Sensor Circuit (Using Only Transistor)

Описание к видео How To Make a Touch Sensor Circuit (Using Only Transistor)

Touch Sensor Circuit

In this tutorial I teach you how to make a simple touch sensor LED switch. This electronic switch I make basically uses your finger as a resister to complete the circuit and light up the LED. You can also replace the LED for a buzzer or any other output component if you wish.

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Components you need:
LED (any colour)
Transistor (BC547)
1K Resistor
Connecting wire
9V Battery

Watch this video to make a darkness sensor ;)

   • Dark/Light sensor circuit (simple)  

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