TTP223 - Capacitive Touch Key / Switch - Single Channel
TTP223 controller based capacitive touch key PCB. Ideal for use in contactless switching. This switching method can easily replace menbrane and dfome switches in variety of consumer electronic/ electrical appliances. It's low cost and easy to integrate with the system.
- Operating voltage - 2.5V to 5V
- Digital output
- Works at proximity of 0.2 to 0.4 cm