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Dual Touch Sensor


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.


  • 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