Add Yahoo as a preferred source to see more of our stories on Google. Viral clap light. Clap lights feel so nostalgic. Growing up, I saw them in reruns of '80s sitcoms and later used as a gimmick on ...

This is a simple clap switch circuit with high sensitivity. The only unusual component is the single coil latching relay. While there are numerous means of generating the latching function, the ...

As the gadgets and gizmos around us get smarter, more of them have begun incorporating some form gesture-control to increase its efficiency of operation. But like the decades-old Clapper — you know, ...