Clap Switch

In this project, we are going to make a clap switch which will switch on the LED whenever we clap or make a noise. Here instead of LED, we can also connect any other device in the output such as Fan. Also, find the attached Arduino program.

Hardware Used

  1. Sound Sensor
  2. Arduino Uno
  3. LED (1)
  4. Resistor 470Ω
  5. Breadboard
  6. Jumper Wires
  7. USB Cable A-B
  8. Glue Gun
  9. Thermocol

Connections

  • Sound Sensor with Arduino
  1. DO of Sound sensor with Arduino Pin 7
  2. VCC/+ of Sound sensor with Arduino 5v
  3. GND of Sound sensor with Arduino GND or with LED negative terminal
  • LED,  Resistor & Arduino
  1. LED positive terminal to resistor one end
  2. Resistor another end to Arduino Pin 4
  3. LED negative terminal to Arduino GND

Clap Switch Arduino Program

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