Waveshare Touch Keyboard Module Expansion Board 16 Buttons I2C Interface for Raspberry Pi 4B 3B+ 3B

Description For Raspberry 4B Provide 16 Touch Button for your Project TTP229 LSF Capacitive touch chip built in LDO Sensitivity Adjustable System would recalibrate when no button is Touched in about 4 SecondsSpecifications Interface I2C Buttons 16 Sampling Rate 8Hz Antistatic ability HBM 6KV Voltage 2 4V 5 5V Working Temperature 40℃ 85℃ Storge Temperature 50℃ 125℃ Size 85 56mmNote There is a Stable schedule that all button are invaild in the first second the module is Powered Please do not touch any button thenConnection VCC Power Positive GND GroundSDA I2C SDASCL I2C SCLFor more info about the product please click herePackage Included 1 Touch Keypad Module1 Screws Kit