TTP224 4-way Capacitive Touch sensor, Suitable for Arduino, PIC, Atmel, AVR, ARM, Udroid, and much more

Specifications:

- onboard TTP224 capacitive touch sensor IC 4 keys
- 4 board-level status LED indicators
- Supply voltage: 2.4V to 5.5V
- The module can be set to output mode, and also as key output mode, the maximum output time as well as time and low power selection
- PCB Dimensions: 35 (mm) x29 (mm