Instructions for homemade readers to clap the device to turn on the lamp / fan very simply
Let's Make a Clap Switch Circuit : 5 Steps - Instructables
How to Build a Homemade Clapper to Adjust the Lights and Set the Mood
Let's Make a Clap Switch Circuit : 5 Steps - Instructables
DIY Electronic Kit Green Sound Activated Hand Clap Latch Switch LED Suite DIY Sound activated hand clap latch switch LED kit|clap switch|clapping hands switchsound switch - AliExpress
How to DIY clap on/off lights for my bedroom - Quora