Capacitive Touch Keypad Designed for Raspberry Pi
Features
- Supports any revision of Raspberry Pi (directly-pluggable)
- Provides your Pi with 16 touch keys
- Features TONTEK TonTouch touch pad detector IC TTP229-LSF, supports up to 16 keys with adjustable sensitivity and built-in LDO
- The system re-calibrates automatically when all keys are not detected touch more than about 4 seconds
Specifications
- Interface : I2C
- Keys : 16
- Sampling rate : 8Hz
- Human Body Mode : 6KV
- Operating voltage : 2.4V-5.5V
- Operating temperature : -40℃ to +85℃
- Storage temperature : -50℃ to +125℃
- Dimensions : 8.5CM × 5.6CM
How to Use
- After power-on have about 0.5sec stable-time. During the time do not touch the key pad, and all functions are disabled
Pinouts
- VCC : Power supply (2.4V-5.5V)
- GND : Ground
- SDA : I2C SDA
- SCL : I2C SCL
Dimensions
Downloads
Development resources: schematic, demo code, datasheets, etc.
Download: www.waveshare.com/wiki/RPi_Touch_Keypad