Product introduction

[self introduction] I am a mini piano music expansion board designed for micro: bit, with four cool color lights. Take me with you, give full play to your creativity and art cells, and your micro: bit can also play the forced art style.  My Features

• Board Micro:bit interface, can be directly inserted for use
• Onboard buzzer can play wonderful music.
• On board capacitance touch chip, 13 touch buttons are led out, and I2C interface is used for communication
• There are four color lights on the board, and one signal line can control the color of the light group
• Control pin of outgoing module and SPI and part of GPIO pin on micro: bit, convenient for expansion and use
• Provide a well-developed companion information manual (Micro:bit graphical routines / python routines / usage manuals, etc.)

[my parameters]

• Touch chip: ttp229
• Lantern beads: WS2812B
• Color depth of colored lights: 16777216 colors
• Overall dimensions: 85mm x 56mm
• Operating voltage: 3.3V

Product picture

Interface definition

Function pin Describe

VCC	Power supply positive (3.3V power input)
GND	Power supply
P0	Control pin of buzzer, corresponding to P0 pin of Micro:bit
P1	Control pin of full color lamp, corresponding to P1 pin of micro: bit
SCL	Touch the key control pin, I2C clock line
SDA	Touch the key control pin, I2C data line

 

Product information

Information includes:

• user 's manual
• 示例程序
• Circuit schematic

route: www.waveshare.net/wiki/Piano_for_micro_bit

外形尺寸

详细配置

1. Piano for micro:bit ×1