Here is a simple touch switch circuit made using 555 timer IC as a monostable vibrator. We have added two touch pins in the circuit. When the circuit is connected properly, upon touching the "pins", it will glow the LED connected with the circuit. This LED will remain glowing till the trigger is present, and once the trigger is removed LED turns off.
To make this circuit, find here the touch switch circuit diagram and a detailed explanation of the working of this circuit.
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