Raspberry Pi Touch Keypad is a low-cost capacitive touch keypad expansion board for Raspberry Pi.

• 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

Note: After power-on have about 0.5sec stable-time. During the time do not touch the key pad, and all functions are disabled. 

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