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. Aspencore network. ... circuit diagrams and ...

Apple could be planning to bring Force Touch Back as new patent hints at next-generation force sensors for Apple Watch, Macbook, iPads, and iPhone. US Patent & Trademark, as reported by Patently ...

The EH570 is currently the world’s smallest rectangle shaped fingerprint touch sensor in EgisTec’s lineup. The sensor can be integrated as either a home or side button of a smartphone.