At the heart of the circuit is an inexpensive (`20) smd chip TTP223 commonly available in BA-6 package. The TTP223 is a touch pad detector IC which offers one touch key, designed for replacing ...

The tyranny of touch screens ... physical switches means additional wiring and complexity, Calisch says. Anyone who has known ...

According to the report, which cites supply chain sources, the iPhone 7 will feature a capacitive Home button with support for 3D Touch ... new iOS 10 features. The switch to a capacitive Home ...