BBC MICRO:BIT MINIPIANO I2C

Features

• 4 RGB LEDs, controlled by only one signal pin
• Extending the SPI, GPIO interfaces of Micro: bit that makes easier to use
• There is buzzer on the board

Specifications

• Touch chip: TTP229
• RGB LED: WS2812B
• LED color: 16777216 colors
• Dimension: 85 x 56 mm
• Working voltage: 3.3V

Interfaces

• VCC: power (3.3v input)
• GND: GND
• P0: control pin of buzzer (related to the P0 pin of micro: bit)
• P1: control pin of LED (related to the P1 pin of micro: bit)
• SCL: touch keys control pin, I2C clock
• SDA: touch keys control pin, I2C data

Package list

• Mini Piano Module with I2C Interface for Micro: bit x 1

Wiki & External links

• Demo Code
• Schematic
• TTP229
• Touch IC TTP229
• User Manual