Dual Touch SensorΒΆ

Dual channel touch sensor, based on two ttp223 touch sensors. When a touch signal is detected, the corresponding pin level will be pulled low.
TTP223 is a touch pad detector IC that provides 1 touch key. The touch detection IC is specially designed to replace the traditional direct keys with different pad sizes. It features low power consumption and wide operating voltage.
Specifications
Power Supply: 2.0V~5.5V
Signal Output: Digital signal
Connector: SH1.0 4P
Pin Out
GND - Ground Input
VCC - Power Supply Input
SIG1 - Touch signal 1, low level means touch
SIG2 - Touch signal 2, low level means touch