TTP224 4 channel digital touch capacitive touch switch sensor module

1. onboard TTP224 capacitive touch sensor IC 4 keys
2, 4 board-level status indicator
3, working voltage: 2.4V-5.5V
4, the module can set the output mode, the key output mode, the maximum output time and fast / low power selection
5, PCB board size: 35 (mm) x29 (mm)