Microbit Tutorials, News

How to use wukong board with Lego holder for micro:bit

Wukong board with Lego holder for microbit

1.1. Introduction

Wukong board with Lego holder for microbit

Wukong board is a high integrated breakout board with multiple functions based on micro:bit, which has a similar size with the micro:bit with buzzer, servo and motor drivers on board.

With a built-in 400mAh Li-ion battery pack and the on-board power controlling system, it supports fast charge with only 20 minutes for full filling that can operate for more than 40 minutes a time.

Wukong board with Lego holder for microbit

The base board designs with standard 7×5 square bricks that can adapt perfectly to Lego.

1.2. Characteristics

  • Tiny shape with high integration
  • Standard Lego bricks connection
  • Most of the IO ports led out in GVS form
  • Standalone IIC pots, available for OLED and BME280.
  • Integrated buzzer and switch
  • Integrated motor-drive circuit
  • Integrated servo-drive circuit
  • Support 5V sensors
  • Built-in 400mAh Li-ion battery pack, on-board power controlling system, four LEDs indicate the power storage
  • Support fast charge

1.3. Parameter

Item No.EF08207SKU
Size40.00 X 58.12 X 24.53 mmIncluding Lego baseboard without micro:bitManual measure, size in kind prevail
Weight41.6gIncluding Lego baseboard and the batteryManual measure, weight in kind prevail
Power SwitchClick to turn on, double to turn offFour LEDs indicate the power storage, support fast chargePower supply by the USB connection on board is supported
Battery400mAh Li-ion battery pack20 minutes for completing the charge that can operate for more than 40 minutes a timeAnti-explosion
Working Voltage3.7v~5vLi-ion battery pack 3.7v,USB 5v
Working Temperature-20℃~60℃Charge temperature 0℃~40℃
Motor DriveDual (M1,M2)Motor drive circuit onboard
Servo DriveEight ways servo connection (S0~S7)Servo drive circuit onboard
IO Port Lead OutP0、P1、P2、P8、P12、P13、P14、P15、IICSupport 3V&5V modulesGVS
Rainbow LEDLED0、LED1、LED2、LED3Available for Neopixel databaseConnect to micro:bit P16 port
BuzzerPassive buzzer with a switch on boardAvailable for music databaseConnect to micro:bit P0 port
LED8 LEDs can be programmed on the base sideLight on, twinkle, breathing lightThe LED twinkles when power on

1.4. Dimmension

Mecanum Wheels Robot Control Wukong board with Lego holder for micro:bit

1.6. Quick Start

Hardware Connection

  • Insert the micro:bit into the adapter(The logo side of the micro:bit stands towards the side for buzzer switch )
  • Click to power on.

Software Programming

Add Package

  • Click Extensions in the drawer of Advanced to see bricks menu.
  • Search wukong in the box and click it to add package.
  • Completed

1.7. User Guide

Ways to power on&charge

  • Original power switch, click to power on and the indicator LED lights on.
  • Double click to power off and the indicator LED lights off.
  • Connect the USB cable to the on-board connection. The normal lighting-on LEDs indicate the state of charge, if the left LEDs lights on in turn, it indicates the charge of the battery.

Breathing LEDs

  • There are 8 blue breathing LEDs whose power on/off status and brightness can be controlled on the baseboard.


  • There are two kinds of motor driving connections named M1 and M2 that can connect most motors in the market.


  • There is an on-board buzzer that is connected to the P0 port of the micro:bit, it can be programmed by the Music brick and can be powered on/off with the on-board buzzer switch.


Rainbow LEDs

  • There are 4 Rainbow LEDs named LED0、LED1、LED2、LED3 that are connected to P16 port of the micro:bit and they can be programmed by the Neopixel brick.

Links: https://makecode.microbit.org/_61T2w6cqTib0


  • Connect the servos to their driving connections S0~S7, they can be programmed by the servo bricks in Wukong expansions.
  • 180° servos can be set from 0°~180°.
  • Set 0° as the maximum speed of positive rotation, 180° as the maximum speed of negative rotation and 90° as stop for 360° servos , 0°~90° and 90°~180° are the scape for adjusting the speed.

Links: https://makecode.microbit.org/_6Pw63w49u5qq

5V Power Supply Pins

  • There are 3 pairs on-board 5V power supply connections that can drive sensors or servos in 5V , it only requires to connect the connections for 5V modules to 5V power supply, and to connect the signal cables to the signal connections for servos or sensors.

Leave a Reply