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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.
motor-driver-board-v2-150
The Motor Driver Board For The BBC micro:bit V2
As has been highlighted in the most recent BBC micro:bit newsletter, we have just launched a new and improved version of our very popular Motor Driver Board for the BBC micro:bit, The Motor Driver Board V2.
robots-buggy150
Robot Buggy Part 1 An Introduction
This fun learning resource has been put together to provide teachers with an all in one design and technology challenge that you can set for your students over the course of a term or a year. The resource includes a number of different design and technology aspects; electronics, mechanical assembly, 2D and 3D design, using a laser cutter, using a 3D printer and coding and testing. There are also alternative production methods highlighted in the individual resources.
Coding With The PXT Editor
Robot Buggy Part 6 Coding With The PXT Editor
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.
The Self Righting Flag
Robot Buggy Part 5 The Self Righting Flag
The last part of our physical design challenge was to design a flag for a capture the flag style game. As with most of the design challenges that this project presented, we had some ideas and discarded the difficult and impractical until we were left with a simple but effective solution.
Creating The Perspex Top Plate
Robot Buggy Part 3 Creating The Perspex Top Plate
We looked at a few different ways of achieving our Robot Wars inspired buggy but quickly settled on keeping the buggy completely intact and cutting a top plate from a perspex sheet. We wanted it to be functional, aesthetically pleasing and also easy to produce. We had six buggies to design and build and only a few days to get them done.
Remote Control Via Bluetooth
Robot Buggy Part 7 Remote Control Via Bluetooth
Bluetooth is the technology that makes the remote control aspect of this project possible, fortunately, the BBC micro:bit comes with Bluetooth functionality as standard. Martin Woolley explains how to pair your Android device with the BBC micro:bit and how to use is micro:bit Blue App to control the Robot Buggy.
line following buggy
Robot Buggy Part 2 The Line Following Buggy
The line following buggy for the BBC micro:bit is a great kit for students to build as it combines several elements of design and technology; electronics, mechanical assembly and coding and it is this buggy that the Robot Buggies are built upon. The kit has relatively few parts and is simple to build, making it a suitable option as a classroom activity.
bbc_microbit_line_following_buggy_top_870
BBC micro:bit Line Following Buggy Build Instructions
This is a step by step guide to building the BBC micro:bit Line Following Buggy. The buggy uses two light dependant resistors to control a line following board on the bottom of the chassis to 'follow' black lines.
bett_show_2016_kitronik_stand_150
BBC micro:bit Controlled Crane
This is a step by step guide to customising a toy crane to be controlled with a BBC micro:bit, using the Motor Driver Board for the BBC micro:bit and the built-in accelerometer to detect tilt and turn motions.

Questions:

Posted by Brendan, Thursday, 1 December 2016 on product Motor Driver Board for the BBC micro:bit - V2

Question:

Is the output voltage at the motor terminals the same as the input voltage to the unit (4.5V to 6V less some slight losses)? The Technical Data on website suggests Vcc of 0.3V (but it could be I'm reading the formatting wrong)

Answers:

  • Posted by Michael Lockhart on Thursday, 1 December 2016

    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 Steve Smythe, Friday, 9 September 2016 on product Motor Driver Board for the BBC micro:bit - V2

Question:

Does this version allow PWM control of motor speed? The DRV8833 chip is capable of supporting this.

Answers:

  • Posted by Michael Lockhart on Friday, 9 September 2016

    Hi Steve, Unfortunately the board doesn’t allow for this as the only pin that can be used in this way is Pin 0. However you could either use two motor drivers (to drive four motors) or an edge connector and a motor driver. You would place the BBC micro:bit into the edge connector or in the motor driver (ensuring to activate the row of pins on the edge of the motor driver). You would then connect wires from the pins on the device with the micro:bit, which you can use as PWM pins to the row of pins on the motor driver and connect them to pins P12, P8, P16, P0 on the row of pins. If you require further help please email support@kitronik.co.uk

Posted by Nick Bolton, Wednesday, 17 August 2016 on product Motor Driver Board for the BBC micro:bit - V2

Question:

Any idea when this new board will be available to buy? Thanks

Answers:

  • Posted by Michael Lockhart on Wednesday, 17 August 2016

    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.

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