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ELECFREAKS Motor:bit for Micro:bit

ELECFREAKS Motor:bit for Micro:bit

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  • Product Code: MOTOR-BIT
  • Warranty Period: 12 months
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Motor:bit is a motor driving board based on micro:bit. It has integrated a TB6612 motor driving chip, which is used to drive two DC brush motors with maximun 1.2A on each channel. It has also integrated 12 GVS (Gnd, VCC, Signal) ports (for connecting OCTOPUS series of electric bricks) and one I2C communication port. These ports allow you to extend with various sensors and electric modules.

On the board, P3-P7, P9-P10 are IO ports for directly driving 3.3V devices; P13-P16, P19-P20(I2C port) support 3.3V/5V voltage switch. Sliding the voltage switch onboard, it is available to drive 3.3V or 5V devices. Besides, you can play music with the buzzer on motor:bit. Motor:bit is totally designed for DIYers. You can use it to create your own smart car or more funny projects.

Recommended by Micro:bit Official:


  • Support 2 DC motors
  • Max driving current of single channel is 1.2A
  • Extend 14-channel IO ports and lead out it by GVS pins. Among it, 6 ports support 3V/5V voltage switch
  • With 1 passive buzzer on board
  • Dimension:

Definition of Pins:

Introduction of Major Components:

  • M1-M2 Motor Connector

M1 and M2 can separately connect a DC motor with max current of 1.2A.

  • Passive Buzzer

Once a passive buzzer is connected to the P0 port on micro:bit, it can play music.

  • Power Switch

Slide the switch to ON, power is connected; slide the switch to OFF, power is disconnected.

  • Power Connector

Power connector is available to connect with 6-12V DC power.

  • VCC Voltage Switch

Slide the switch to 5V, then VCC supply 5V power; slide the switch to 3.3V, then it provide 3.3V power. This switch is valid to 6 IO ports only: P13 / P14 / P15 / P16 / P19 / P20.

  • G-VCC-S Standard GVS Port

It contains 4 (P13-P16) GPIO ports and 1 IIC communication connector (P19-P20). You can connect 3.3V/5V devices to it according to the voltage change of VCC.

  • G-3V3-S Standard GVS Port

You can connect 8 devices working under 3.3V power supply. Among it, P3, P4, P10 can be used as analogue signal input connectors.

  • micro:bit Golden Finger Socket

You can plug your micro:bit into this socket.

Quick Start:

Hardware Assembly

Connect two TT motors to micro:bit as the picture showed below.


Click Add Package in the code drawer of makecode, then search for the key word motorbit in the dialogue box and click on the searching result to download this package.

Write your code to make two TT motors rotate in turns.

Click the link here to see the whole program: https://makecode.microbit.org/_LsPT31WPH1JD


Motor:bit Car


  • Product Name: motor:bit
  • Version No.: V1.6
  • DC Power Voltage: DC 6~12V
  • DC Motor Driven: 2
  • Max Output Current of Each Motor Connector: 1.2A
  • Extendable Digital IO Port: 12
  • Extendable Analogue IO Port: 3
  • IIC Connector: Support
  • Passive Buzzer: Support
  • Size: 60mm x 47.5mm
  • Net Weight: 20g

Packing List:

  • 1 x Motor:bit board


I attached the microbit to the motorbit board and the power is supply from USB cable connected to the laptop. I am write the simple "servo write
to p3 "coding to test the angle movement of servo motor MICRO-SERVO-180 but it's doesn't function at all. Currently, the motorbit board is not supply from battery.. Is it the power connector must be use and supply at least 6 vdc? Thanks
( Lee, 07/12/2019 )
Hi, for such inquiry, you may drop an email to our technical team at support@cytron.io . Our technical team will assist you further. Thanks :)

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Tags: motorbit, EF03406