Capacitive Touch Keypad Designed for Raspberry PiFeaturesSupports any revision of Raspberry Pi (directly-pluggable)Provides your Pi with 16 touch keysFeatures TONTEK TonTouch touch pad detector IC TTP229-LSF, supports up to 16 keys with adjustable sensitivity and built-in LDOThe system re-calibrates automatically when all keys are not detected touch more than about 4 secondsSpecificationsInterface