This board is a quick demo board for capacitive touch sensing IC TTP229. You can use it to detect and switch on external units using external relay.
Features
- Simple to Use, Auto Calibration
- Power LED
- Operates in 8 or 16 channel mode
- Output can configured be Active High or Low
- Easy to replace mechanical key outputs
- Output can be directly connected to Microcontroller’s Input pins
- 4X4 touch keypad
Specification
- Operating Voltage: 2V-5.5V
- Startup Calibration Delay: 0.5 Sec
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