- Onboard 8 capacitive touchkeys and 1 linear capacitive touch sensor
- 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
- Configurable functions:
- 8 keys OR 16 keys option
- 8 separate outputs OR serial output
- single-key OR multi-kye feature
- Sampling rate and sampling length at sleep mode
- Maximum key-on time
Specifications
- Interface : I2C OR I/Os
- Keys : 8/16
- Sampling rate : 8Hz/64Hz
- Human Body Mode : 6KV
- Operating voltage : 2.4V-5.5V
- Operating temperature : -40℃ to +85℃
- Storage temperature : -50℃ to +125℃
- Dimensions : 4.7CM × 6.8CM
- Mounting holes size : 3 × 3MM
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
16 keys mode : short all the onboard jumpers, output via serial port, and the linear touch sensor is enabled
8 keys mode : short the SLWPTM and WPSCT, open all the other jumpers, output via OUT0-OUT7
Applications
- Consumer Products
- Mechanical Switch/Button Replacement
- Photos
