Features

• micro:bit edge connector, directly pluggable
• High quality joystick, dual channel analog outputs for precise positioning, one channel digital output for press control
• Onboard battery and charge circuitry, powered from battery, also charges the battery through USB connection
• Battery indicator, blinks 1/2/3/4 times indicates the power remains about 25%/50%/75%/100% respectively
• 4x colorful buttons
• 2x side buttons, related to the A/B buttons of micro:bit, easy to use
• Buzzer for playing music and game background effect
• Comes with development resources (micro:bit graphical demo/python code/user manual, etc.)

Specifications

• Operating voltage: 5V
• Battery type: 14500 Li-ion
• Dimension: 150mm x 50mm

• SYMBOL
  PIN
  DESCRIPTION

  A
  5
  Button A

  B
  11
  Button B

  C
  15
  Button C

  D
  14
  Button D

  E
  13
  Button E

  F
  12
  Button F

  X
  1
  Joystick X axis

  Y
  2
  Joystick Y axis

  P
  8
  Joystick press

  Buzzer
  0
  Buzzer

• 

Features

• micro:bit edge connector, directly pluggable
• Buzzer to play music
• Onboard capacitive touch controller, 13x touch keys through I2C interface
• 4x RGB LEDs, controlled by only one signal pin
• Breakout module control pins, micro:bit SPI pins, and some of the GPIO pins, easy expansion
• Comes with development resources (micro:bit graphical demo/python code/user manual, etc.)

Specifications

• Touch controller: TTP229
• LED: WS2812B
• LED color depth: 16777216 colors
• Dimension: 85mm x 56mm
• Operating voltage: 3.3V

Pinouts

SYMBOL
DESCRIPTION

VCC
Power (3.3V input)

GND
Ground

P0
Buzzer control pin, related to mcro:bit P0

P1
LED control pin, related to mcro:bit P1

SCL
Touch keys control pin, I2C clock

SDA
Touch keys control pin, I2C data

Dimensions

Development Resources

Wiki : www.waveshare.com/wiki/Piano_for_micro_bit

https://youtu.be/Plh4FFfcNAQ?si=ECveOnhPT7tCYhzs