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Line Following Add-on Board

6.2
Add line following capability to your tank with this Line Following Board. The board uses two LDRs to detect the edges of the line.

Availability: In Stock.

Code1+ 10+
2125-LF£6.20
(£7.44 incl VAT)
£5.60
(£6.72 incl VAT)
OR

This line following board is an add-on to our laser cut it yourself tank kit.

Once assembled this board allows you to detect lines, the board is easily fitted to the tank model. It uses two LDRs to detect the left and right edges of a line.

A logic signal indicating the state of each LDR can then be connected to the motor controller board allowing a simple line following control routine to be implemented. Fixings & wire included.

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.
The 3D Printed Add-Ons
Robot Buggy Part 4 The 3D Printed Add-Ons
When designing the 3D printed add-ons we had two main aims; that they maintained our Robot Wars theme and that they could be printed easily. Our additional goals were to create two team colour schemes and that each buggy had it's own personality.
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.

Questions:

Posted by Edward Crowe, Friday, 24 April 2015 on product Line Following Add-on Board

Question:

We have a project where we build a motorised car that we want to include a line follower. Is this the kit that we would need and also is there an option of it being pre built?

Answers:

  • Posted by Michael Lockhart on Friday, 24 April 2015

    Yes this kit would be suitable as it works by having an LED and an LDR on each side. The LED shines on the ground and the LDR picks up the reflected light. A black line doesn’t reflect much light so the resistance of the LDR changes when it goes over a black line. The board has two outputs, one for each side and the signal changes from low to high to signal that the resistance on the LDR has changed (which means one side has strayed over the line). However it doesnt come pre-built.

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