Features: 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.
Features: Supports any revision of Raspberry Pi (directly-pluggable). Driver : MAX7219. Matrix type : 8 × 8 common cathode LEDs. Color : red. Dimension : 64.3 × 35.0 × 26.5mm.