Recently an ad on YouTube about an acoustic light sensor/switch module piqued my interest. Out of curiosity, I contacted the online vendor and bought a pair. Named MR-SK50A, the module is less popular ...

ParTech Inc., a global restaurant technology company, has acquired the Techknow multi-sensor drive-thru timer to expand its drive-thru solutions in the restaurant technology space, according to a ...

This is a very simple touch sensor switch that is build with the 555 timer IC. You just need to touch the metal plate and the relay gets energised and is kept in this state for about 100 seconds, then ...