This is a quick arduino based iambic keyer using TTP223 module to since the dot and dash from the user. TTP223 is a capacitive sensor IC that allows easy touch sensing. The module supports active high ...

This system introduces an AC touch-controlled solid-state relay (SSR) capable of handling input voltages from 100V to 250V AC ...

You can’t have a touch sensitive switch without a way to detect the presence of a finger! A touch sensor, especially a capacitive touch sensor, has some surprisingly sophisticated electronics to ...

I tried to use a TTP223 Capacitive touch module to control a Sonoff basic to control my lights. it worked when I connected it to an outlet, but when I connected in my switch box, it started turning on ...

In modern electronics world, touch input is used almost everywhere, whether it can be a mobile phone or an LCD monitor switch. Capacitive touch is the widely used in the touch sensor segment and we ...