1. Onboard TTP224 campacitive 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).
6.Is a standard 2.54 mm needle do input and output connections.
7.surrounded by a fixed mounting holes.
1 × TTP224 4-way capacitive touch switch digital touch sensor module switch button.
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