ماژول کی پد 1x4 لمسی خازنی TTP224

1-onboard TTP224 capacitive 4-key touch sensor IC

2- onboard 4-way level status indicator

3- the working voltage: 2.4V-5.5V
4- the module can set the output mode, key output mode, the longest output time and fast / low power options

5- PCB board size: 35 (mm) x29 (mm)