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Line Following Buggy for the BBC micro:bit

21.83
This easy to build Line Following Buggy is controlled by the BBC micro:bit and the Kitronik Motor Driver Board

Availability: In Stock.

Code1+
5604 £21.83
(£26.196 incl VAT)
OR

Our BBC micro:bit controlled Line Following Buggy uses two LDRs (light dependant resistors) as sensors to control a line following board on the bottom of the chassis to 'follow' black lines.

Two LEDs shine light from underneath the buggy down onto the floor and a pair of LDRs measure how much light is reflected. When the sensor is moved over a black line the level of reflected light decreases and the sensor sends a signal to the BBC micro:bit through the motor driver board. The BBC micro:bit then uses that information to steer back toward the line. It does this by switching off either the left motor to turn left or the right motor to turn right.

Code for the line following function is available below. The buggy can easily be customised and to help you get started we have also supplied code for Bump 'n' Spin functionality uding the BBC micro:bit's on-board accelerometer. Save the code to your account and get customising!

Note:

This kit requires assembly. BBC micro:bit NOT included. If you also require a BBC micro:bit, you can order one here.

Features:

  • Simple to build buggy.
  • BBC micro:bit controlled.
  • Automatic line following.

Contents:

Requires:

Resources:


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Posted by Aivar, Friday, 10 November 2017 on product Line Following Buggy for the BBC micro:bit
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    A: HI there, at the moment we are looking at these being back in stock in the middle of next week so October 17th to 18th. If you order prior to then we will back order your goods so that you will have some reserved. Best Regards Cullen
    Posted by Cullen Lewis on Wednesday, 11 October 2017
Posted by Vincent Piccio, Wednesday, 15 March 2017 on product Line Following Buggy for the BBC micro:bit
  • 0
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    A:

     

    Hi Vincent, The motor driver board which is being supplied with the kits is the new version and as such has the pin breakout section. It is also possible to control the buggy via another micro:bit by using the ‘on radio’ function within the PXT interface, we will be doing a blog about this in the next couple of weeks. The easiest way to find out about this is to be subscribed to our new letters which is dedicated to micro:bit news, http://eepurl.com/b05dsD. With regards to a price break, unfortunately currently we are unable to offer a price break on the product and we will continue to review this to see if it is possible in the future.

     

    Posted by Michael Lockhart on Wednesday, 15 March 2017
Posted by Pete Bell, Monday, 6 March 2017 on product Line Following Buggy for the BBC micro:bit
  • 0
    vote
    A:

    Hi Pete, Unfortunately it isn’t possible to send just the plate, this forms part of the kit and as such would need to be supplied as part of the kit.

    Posted by Michael Lockhart on Monday, 6 March 2017
Posted by Andy, Thursday, 9 February 2017 on product Line Following Buggy for the BBC micro:bit
  • 0
    vote
    A:

    Hi Andy, Currently we are awaiting a part used within the buggy to be received from our supplier, we current expect this to received early next week. As such dispatch should take place early to mid-next week.

    Posted by Michael Lockhart on Thursday, 9 February 2017
Posted by Richard, Thursday, 12 January 2017 on product Line Following Buggy for the BBC micro:bit
  • 0
    vote
    A:

    Hi Richard, We are currently in the process of building another 250 buggy kits. We are hopeful that all the components will be with us by w/c 23/1 and then we would begin kitting them together, so hopefully either late this month or very early next month from current predictions. We are aware that the buggy has been out of stock on and off, and we are constantly increasing the size/frequency of builds to try and reduce this issue. As with all items if you order will it is out of stock it will reserves the new stock against your order and will guarantee you get stock before it is placed on the shelf.

    Posted by Michael Lockhart on Thursday, 12 January 2017
Posted by Rosie Taylor, Friday, 6 January 2017 on product Line Following Buggy for the BBC micro:bit
  • 0
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    A:

    Hi Rosie, The mechanical parts of the buggy could be dismantled and rebuilt. However it wouldn’t be recommended to keep desoldering and resolding the line following PCB as eventually the PCB might become damaged. As such this item isn’t designed to be built multiple times.

    Posted by Michael Lockhart on Friday, 6 January 2017
Posted by Al, Wednesday, 23 November 2016 on product Line Following Buggy for the BBC micro:bit
  • 0
    vote
    A:

    Hi Al, We are currently in the process of building just over 120 buggy kits, we expect to have these back in stock in either later this week or early next week. We will also be starting another build of over 200 kits to provide more stock. We will always supply back order’s before putting stock on the shelf, as such to reserve stock it is advised that you place your order for the items.

    Posted by Michael Lockhart on Wednesday, 23 November 2016
Posted by RIchard, Tuesday, 15 November 2016 on product Line Following Buggy for the BBC micro:bit
  • 0
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    A:

    Hi Richard, We haven’t sold a built version of the buggy, the only version we stock is un-built. We are currently awaiting a couple of components to arrive from our supplier to begin our next build. We would hopefully expect the buggies to be back in stock in around 1-2 weeks but this isn’t confirmed.

    Posted by Michael Lockhart on Tuesday, 15 November 2016
Posted by Owen Brotherwood, Friday, 21 October 2016 on product Line Following Buggy for the BBC micro:bit
Posted by Matt, Tuesday, 27 September 2016 on product Line Following Buggy for the BBC micro:bit
  • 0
    vote
    A:

    Hi Matt, The black chassis is approximately 14.5x11mm and is 3mm thick. Each motor driver board can only drive 2 motor’s, however if you had a second motor driver board and turned the BBC micro:bit round so the edge pins were activated you could use one micro:bit to power both boards.

    Posted by Michael Lockhart on Tuesday, 27 September 2016
Posted by Doug, Tuesday, 20 September 2016 on product Line Following Buggy for the BBC micro:bit
  • 0
    vote
    A:

    Hi Doug, Using the information you have provided to ship to yourself in Texas it would take 2-3 working days via UPS Saver, and 1-2 working days via UPS express. Please note these estimations are only valid if all the items are in stock when the order is placed.

    Posted by Michael Lockhart on Tuesday, 20 September 2016
Posted by Jeff, Friday, 16 September 2016 on product Line Following Buggy for the BBC micro:bit
  • 0
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    A:

    Hi Jeff, As stated we did have the product back in stock around the 8th August, however we have since sold this stock and we are now awaiting a part which is required for the buggy to be delivered. We currently estimate that this will be back in stock late w/c 19/9 early w/c 26/9. Unfortunately we are unable to change the items that are included in a kit. The motor driver is part of the buggy kit and can’t be supplied without it, however we do sell the miro:bit on its own if that helps https://www.kitronik.co.uk/5613-bbc-microbit-board-only.html

    Posted by Michael Lockhart on Friday, 16 September 2016
Posted by Doug, Thursday, 15 September 2016 on product Line Following Buggy for the BBC micro:bit
  • 0
    vote
    A:

    Hi Doug, We are currently awaiting a part for the buggy from our supplier which is due earlier next week. As such we would expect the buggy kit to be back in stock late next week once we have packed all the components for the kit together.

    Posted by Michael Lockhart on Thursday, 15 September 2016
Posted by Shirley N Goldrei, Friday, 9 September 2016 on product Line Following Buggy for the BBC micro:bit
  • 0
    vote
    A:

    Hi Shirley, Yes the buggy is now supplied with the new motor driver, I will let our web team now about the link. Thank you for letting us know.

    Posted by Michael Lockhart on Friday, 9 September 2016
Posted by Chris Swift, Tuesday, 9 August 2016 on product Line Following Buggy for the BBC micro:bit
  • 0
    vote
    A:

    Hi Chris, I’m sorry to hear that you are having some issues with the line following code, especially as this code has been tested and used multiple times on the buggies we have built here. It is possible that there could be a solder issue on the line following board or an issue elsewhere in the built. If you go to page 8 of the following document it provides some areas to check https://www.kitronik.co.uk/pdf/5604_Line_Following_Buggy_for_the_BBC_microbit_V1_0.pdf. If you are still having difficulties after this please email support@kitronik.co.uk

    Posted by Michael Lockhart on Tuesday, 9 August 2016
Posted by Harry, Tuesday, 2 August 2016 on product Line Following Buggy for the BBC micro:bit
  • 1
    vote
    A:

    Hi Harry, We have received an item that was required for this item today from our supplier, we are now able to begin manufacturing this product back into stock. We currently estimate that this will be in stock available for dispatch w/c 8/8.

    Posted by Michael Lockhart on Tuesday, 2 August 2016
Posted by Anthony Pierce, Tuesday, 19 July 2016 on product Line Following Buggy for the BBC micro:bit
  • 0
    vote
    A:

    Hi Anthony, I apologise that the link didn’t appear to work, I believe this was an issue with the website which has now been fixed. As such the link you stated should work, alternatively this link will direct you to the correct page, https://www.kitronik.co.uk/blog/bbc-microbit-line-following-buggy/

    Posted by Michael Lockhart on Tuesday, 19 July 2016
Posted by Andrew, Tuesday, 12 July 2016 on product Line Following Buggy for the BBC micro:bit
  • 0
    vote
    A:

    Hi Andrew, The screws that should be used for the caster are 6mm M3 Machine Screws. There are 2 M3 30mm Pozi Pan Machine Screw which should be used for securing the motors into place. 

    Posted by Michael Lockhart on Tuesday, 12 July 2016
Posted by Shay Mehta, Tuesday, 28 June 2016 on product Line Following Buggy for the BBC micro:bit
  • 0
    vote
    A:

    Shay,

    As the line follower board connects to the bottom of the buggy base, it could be left off and the inputs used for other items such as micro switches or range sensors and so on. You would of course need to make your own holes for fixing anything different on to the base.

    Best regards

    Michael 

    Posted by Rob Haywood on Tuesday, 28 June 2016
Posted by Shay Mehta, Wednesday, 22 June 2016 on product Line Following Buggy for the BBC micro:bit
  • 0
    vote
    A:

    The most likely cause of this will be the fitting of the spacers that are supplied with the ball roller. These are not required in this application as they lift the end of the buggy up and as a result the opposite end with the line follower PCB is tipped in to the surface it is running on.

    Please let me know if this is not the issue and we can have another look at it.

    Posted by Geoff Hampson on Wednesday, 22 June 2016

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