TTP224 capacitive 4-touch switch digital touch sensor module? The TP224 is capacitive sensing design specifically for touch pad controls. The device built in regulator for touch sensor. Stable sensing method can cover diversity conditions. Human interfaces control panel links through non-conductive dielectric material. The main application is focused at replacing of the mechanical switch or button. Can independently handle the 4 touch pads with 4 direct output pins. Specification: 1. Onboard TTP224 capacitive 4 key touch induction IC. 2. Onboard the 4 way level indicator. 3. Operating voltage:2.4V-5.5V. 4. Module can set the output mode, output longest time, and fast/low power selection. 5. PCB board size:35(mm)×29(mm)

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