TTP229 16-way Switch Touch Sensor Capacitive Touch Sensor Module Deskripsi : 1. Onboard TTP229 capacitive 16 key touch induction IC 2. Onboard power light 3. Working voltage: 2.4 V to 5 V 4. Modules, you can set the output mode, key output mode, the longest time and fast/low power output 5. PCB board size: 49.3 (mm) x64.5 (mm)