1. 16-key board TTP229 capacitive touch sensor IC
2. onboard power indicator
- The module is based on touch sensing TTP229 capacitive touch switch module.
- Have a power indicator and relay and instructions
- Working voltage:2.4V-5.5V
- the module can be set to output mode, the key output mode, the longest time and fast output / low power options
- PCB board size: 49.3 (mm) x64.5 (mm)