Clap On / Off Switch

Clap On / Off Switch Diagram

Clap On / Off Switch Diagram

This is the circuit diagram of Clap On / Off Switch. The circuit allows you to operate your lighting or any circuit device which use 24V / 3A maximum supply, simply by clapping your hands. It has a relay output that can be used to turn external devices on/off.  This circuit is good and ideal for disabled or elderly people.

Circuit Features:

  • good immunity against surrounding noises
  • ‘1-clap’ or ‘2-clap’-mode selection
  • ‘2-clap’-mode features built-in safety turn-off timer (approx. 5h)
  • output relay ‘pulse’ or ‘toggle’ selection
  • microprocessor-controlled
  • output relay with LED indicator

Circuit Specifications:

  • Supply 12Vdc / 150mA i.e. mains adapter (Order Code 660.446UK)
  • Outputs 1 x SPDT Relays
  • Output Load 3 Amps @ 24V max.


  • This circuit available in kit, you can order the kit at, the circuit copyright belongs to them.
  • To switch 220V AC, you may try to find suitable relay meet your requirement.
Incoming Search: clap switch circuit 220v, clap switch circuit diagram pdf, clap switch circuit diagram using relay, hand clap light switch circuit, clap swtich diagram with realy, clap switch circuit 220v pdf, sensor circuot for clapping hands, clap your hand to light turn diagram, claphandcircuitdiagram, How to make 220 v clap switch, clapping on off