4-Way Capacitative Touch Switch Module(TTP224)

The output side of the board has 6 pin headers, with 4 pins to be connected with the digital I/O of any micro-controller board (Arduino, ARM STM32). 4 status LED SMD types are provided to check the status of each pressed key. TTP 224 4 Channel Digital Touch Sensor is compatible with all Arduino&Raspberry Pi board. This is a 4 switch digital touch sensor with capacitive sense technology, the TTP 224 IC offers capacitive sense input feed designed for touchpad control, followed by a 4- finger-sized touchpad.