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Motor Driver Board for the BBC micro:bit - V2

10.65
This motor driver board for the BBC micro:bit allows two motors to be driven with forward, reverse & stop control, and allows access to the other pins.

Availability: In Stock.

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5620£10.65
(£12.78 incl VAT)
£8.85
(£10.62 incl VAT)
OR

This board provides a simple way to add motor driving capability to a BBC micro:bit. It allows two motors to be driven with full forward, reverse & stop control. It has terminal blocks to connect four input devices and a regulated 3V supply is fed in to the 80 way connector to power the inserted BBC micro:bit.

In this new version, the pins from the BBC micro:bit are now broken out to pads on the end of the Motor Driver Board. These pads can either be soldered onto directly, or they are the correct spacing for our PCB pin headers (see image below for a close up of the new pads).

It is ideal for designs such as buggies (see below).

It includes an integrated Edge Connector slot for your BBC micro:bit to easily slot into. It also features external connections to the Buttons A and B inputs. This allows additional switches to be connected to the motor driver board and the state of these can then be read by the BBC micro:bit.

Get up to speed quickly. Example Microsoft TouchDevelop code and example connections in the datasheet (below).

Features:

  • Drive 2 motors with full forward, reverse and stop control.
  • Terminal blocks for easy connection of motors and inputs.
  • 4 inputs (2 analogue inputs and 2 provide external connections to Buttons A and B as inputs).
  • Includes Edge Connector for the BBC micro:bit to slot into.
  • Provide regulated power to the BBC micro:bit.
  • Access the other BBC micro:bit pins easily and conveniently.

Contents:

  • 1 x Edge Connector Motor Driver Board for the BBC micro:bit - V2.

Dimensions:

  • Length: 67mm.
  • Width: 61mm.
  • Height: 18mm.

Video:

 

Requires:

  • 1 x BBC micro:bit.
  • 4.5 - 6V Power Supply.
  • 2 x DC Motors (that are compatible with the power supply used).
  • 1 x Flat-headed Terminal Screwdriver.

Resources:

Technical Data:

  • Operating Voltage (Vcc) - 4.5V to 6V.
  • Number of motor channels - 2 (2 motors with forward + reverse control, controlled by P0, P8, P12 & P16).
  • Typical motor output Voltage (Vm) @ 1.5A output per channel - Vm = Vcc 0.3V.
  • Max Current per motor channel - 1.5A.
  • Digital only inputs - 2 (button A / B).
  • Digital or analog input / output pins (P1 & P2) - 2 (P1 & P2).
  • Digital output drive current - 5mA.
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The Motor Driver Board For The BBC micro:bit V2
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Martin Woolley explains how he wrote the Robot Buggy code using the Microsoft PXT Editor for the BBC micro:bit. Includes a link to the completed code. Martin not only wrote the code that we use for the remote controlled buggies, he also designed the Bluetooth profile for the BBC micro:bit and wrote and released the micro:bit Blue App, which we used to control the buggys.
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Robot Buggy Part 7 Remote Control Via Bluetooth
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Questions:

Posted by Mr Hiremath, Tuesday, 5 September 2017 on product Motor Driver Board for the BBC micro:bit - V2
  • 0
    vote
    A:

    Hello, I’m sorry to hear that you feel the product is low quality and not fit for purpose. We have designed this product carefully and always strive to ensure all of our products are high quality. We have sold over 5000 of these boards and haven’t had any negative feedback on the quality of the board so far. Please feel free to email me, support@kitronik.co.uk and we can discuss this further.

    Posted by Michael Lockhart on Tuesday, 9 May 2017
Posted by Marcus, Tuesday, 21 February 2017 on product Motor Driver Board for the BBC micro:bit - V2
  • 0
    vote
    A:

    Hi Marcus, Unfortunately it isn’t possible to access pins 19 and 20 while the BBC micro:bit is facing the terminal blocks on the motor driver, you can only access this when it faces outwards.

    Posted by Michael Lockhart on Tuesday, 21 February 2017
Posted by Marcus, Wednesday, 15 February 2017 on product Motor Driver Board for the BBC micro:bit - V2
  • 0
    vote
    A:

    Hi Marcus, It is possible to control the motor speed by using the Analogue Write Pin block. Because the micro:bit is limited to 3 analogue out channels at any time the technique to do this is: Use the Analogue Write Pin to drive one pin of the motor, and use Digital Write Pin to set the other pin to zero To drive the motor in the other direction swap the pins which are analogue and digital write over.


    Posted by Michael Lockhart on
Posted by Kal, Friday, 3 February 2017 on product Motor Driver Board for the BBC micro:bit - V2
Posted by Bill K, Tuesday, 10 January 2017 on product Motor Driver Board for the BBC micro:bit - V2
  • 0
    vote
    A:

    Hello Bill, The answer to your first question is yes the BBC micro:bit would still receive power from the motor driver board regardless of which way it is placed into the connector. With regards to your second question the holes on the board shouldn’t contain and solder mask and I believe that the ay the image has been taken it applies they are blocked. The holes doe go completely through the board and a suitable item to use on these pins would be https://www.kitronik.co.uk/4133-straight-single-row-pcb-pin-headers-254mm-36-way.html.  

    Posted by Michael Lockhart on Tuesday, 10 January 2017
Posted by Tom, Friday, 6 January 2017 on product Motor Driver Board for the BBC micro:bit - V2
  • 0
    vote
    A:

    Hi Tom, Currently we are in the process manufacturing another batch of the Motor Driver Board. Currently we are estimating this will be complete with stock available during w/c 16/1/17, although this may alter slightly.

    Posted by Michael Lockhart on Friday, 6 January 2017
Posted by Paul, Wednesday, 4 January 2017 on product Motor Driver Board for the BBC micro:bit - V2
  • 0
    vote
    A:

    Hi Paul, The 6V’s that we state would be the maximum that the board could handle, this would be due to limitations on other components such as the regulator, however I don’t have full details all the maximum voltage for all the components so there might be a few more.

    Posted by Michael Lockhart on Wednesday, 4 January 2017
Posted by Brendan, Thursday, 1 December 2016 on product Motor Driver Board for the BBC micro:bit - V2
  • 0
    vote
    A:

    Hi Brendan, The formula in the datasheet states that typically at 1.5A as an output current the output voltage (Vm) will be 0.3V less than the voltage input(Vcc). So if you put 6V’s into the motor driver board you would typically get 5.7V’s as an output on the motor terminals.

    Posted by Michael Lockhart on Thursday, 1 December 2016
Posted by Nick Bolton, Wednesday, 17 August 2016 on product Motor Driver Board for the BBC micro:bit - V2
  • 0
    vote
    A:

    Hi Nick, We have recently received this item in from being manufactured, as such we are checking these and expect that they will be in stock in the next 1-2 days.

    Posted by Michael Lockhart on Wednesday, 17 August 2016
  • 0
    vote
    A: Hi Paul, The motor driver board can drive two motors with PWM, two motors with PWM and one servo, or two motors with on/off control and two servos. We have recently done a blog where we have built a tank which control’s two DC motors and one servo, this can be found here https://www.kitronik.co.uk/blog/klawsome-microbit-controlled-tank/. The main point to remember is that the motors must be connect to the motor terminal blocks, the positive and negative connections from the servo come from the power input terminal on the motor driver and the control for the servo is connected to either P1 or P2 through the input terminal block. If you have any further questions please let us know.
    Posted by Michael Lockhart on Tuesday, 23 May 2017

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