Clap switch
Simplest and easiest way to make clap switch.
Light operated switch works with NE555 timer and light dependent resistor. It uses relay and toggle switch idea for operation.
When you press an infrared transmitter or normal TV remote control near TSOP1738 infrared sensor, the 555 timer configured in monostable mode gets triggered.
Step 1: Download USBtinyISP driver software from Adafruit.com. Install the driver for the USBtiny device. Then, insert the new Atmega328P-PU chip on the DIL socket of Arduino board. Connect the USBtiny device to Arduino.
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