TTP223B Digital Touch Sensor capacitive touch switch module

16 February 2017 User Review

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10 in stock


The module is based on a touch-sensing IC (TTP223B) capacitive touch switch module. In the normal state, the module output is low and has low power consumption. When the finger touches the corresponding position, the module output will be high and if not touched for 12 seconds, it will switches to the low-power mode.


  • Low power consumption

  • Power supply for 2 ~ 5.5V DC

  • Can replace the traditional touch of a button

  • Four M2 screws positioning holes for easy installation

  • Typical high Voh = 0.8VCC

  • Typical Vol = 0.3VCC

  • Output Sink Current: 8mA

  • Output pin pull-up current: 4mA

  • Response time (Low Power mode): 220mS

  • Response time: 60mS


  • Can be replaced instead of any mechanical switches


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