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4 Channel Capacitive Touch Module - TTP224 4 Channel Capacitive Touch Module - TTP224 2
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onboard TTP224 capacitive touch sensor IC 4 keys working voltage: 2.4V-5.5V PCB board size: 35 (mm) x29 (mm) the module can set the output mode, the key output mode, the maximum output time and fast / low power selection
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