Robo:Bit Mk2 Buggy for the BBC Micro:Bit (RoboBit 2 for Microbit)

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Robo:Bit Mk2 DIY Buggy for the BBC Micro:Bit

NB. BBC Micro:Bit is NOT included. Purchase >Here< if required

This little buggy can be assembled very quickly using only a screwdriver. No soldering is required.

Improvements over Mk1:

  • Stronger motor sub-chassis with no structural solder joints
  • Wire-free battery pack
  • Easier to attach battery holder
  • Current limit on motors to prevent stall current resetting the Micro:Bit
  • Solid bolt-on ultrasonic attachment


  • Robo:Bit robotics controller PCB
  • Fixings pack (battery holder, screws, mounting pillars, caster, etc.)
  • 2 x Yellow Wheels with Tyres
  • 2 x Motors with pre-fitted connection wires (no soldering required)

Optional extra: Line sensor pack
Optional extra: Ultrasonic distance sensor module

Using the basic kit you can learn about:

  • Controlling motors with simple Forwards / Reverse controls
  • Controlling the speed of motors in both directions using PWM
  • Use a second BBC micro:bit with the easy-to-use radio software to control the buggy
  • Use the motion sensor on the micro:bit to detect collision with obstacles and avoid them
With the Optional Ultrasonic Distance Sensor:
  • Detect when obstacles get close and change the program to avoid the obstacles
  • "Follow-Me" program that tries to stay a certain distance from the object in front
With the Optional Line Follower Sensor Pack:
  • Use the 2 line sensors either side of the non-reflective line to detect the line and keep the buggy on track
  • Write more complex programs that behave as required if you meet a T-Junction or crossing of lines
  • Compare different line following strategies - create a race-track and see which strategy is fastest
  • In combination with the distance sensor, make it avoid obstacles on the track and then re-acquire the line

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