Waveshare Raspberry pi Capacitive Touch Keypad

Waveshare Raspberry pi Capacitive Touch Keypad

This is a Waveshare Raspberry pi Capacitive Touch Keypad. The Raspberry pi Capacitive Touch Keypad Provides your Pi with 16 touch keys, Which Support any revision of Raspberry Pi (directly-pluggable).

User Manual / Datasheet / Example Codes Etc.

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