EDN

Clap Sensitive On-Off Relay

This circuit was intended to activate a relay by means of a hand clap. Further claps will turn-off the relay. An interesting and unusual feature of this project is the 3V battery operation. The ...
Small Business Computing

Is Your Social Media Clap-on, Clap-off?

Small Business Trends: Is Your Social Media Clap-on, Clap-off? “Remember those TV ads for clap-on, clap-off light switches and key chains..? You clapped your hands and on went the light or beep went ...
Hackaday

flip-flop

The Clapper™ is a miracle of the 1980s, turning lights and TVs on and off with the simple clap of the hands, and engraving itself into the collective human unconsciousness with a little jingle that ...
Gear Live

JVC’s Clap On, Clap Off Television

JVC’s latest entry into the world of electronics is their “hand clap & gesture recognition” TV. Unveiled at the CEATEC 2007, you clap 3 times into its mic for a menu. A cam sitting atop the screen ...
EDN

Clap-Sensitive Relay with ON/OFF Feature

Clapping of hands is the main idea on how this circuit was built with the acknowledgement of a relay to cause the circuit to function with ON/OFF feature. TS555 – a single CMOS timer which offers very ...