Robobit Buggy Mk3

Assembling and Using Robobit Mk3

Robobit Mk3 buggy is a fully integrated and updated version of the Mk2 with all options (except Talon grabber) ready integrated into the unit

Purchase Robobit Mk3 here

Features

  • Compact design DIY robot that is easy and quick to build
  • No soldering required. Screwdriver and spanner widget included and are the only tools required
  • Presented in an attractive gift box
  • Integrated ultrasonic distance sensor
  • Integrated line follower sensors
  • Integrated pen holder (designed for Sharpies, but other pens will fit)
  • Integrated RGB smart LEDs (aka neopixels) with semi-automatic Larsson scanner function
  • Fully supported by the Microsoft Makecode extension – search extensions for “Robobit”
  • Powered by 4 x AA batteries (not included)

Assembly

Step 1 – Check you Have the Correct Parts

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  • Main PCBA with prefitted ultrasonic sensor
  • Battery Holder PCBA (NB. Ring fits to rear of robot – no matter what it says on it!)
  • 2 x bags with motor mountings
  • Bag with 6 x 6mm M2.5 screws and 2 x 25mm pillars
  • 2 x motors with pre-fitted cables and plugs
  • 2 x Wheels

You should also have 2 tools: a double ended screwdriver (pull out of handle and turn round ot get alternate end), and a Pimoroni “spanner widget” for the motor mount nuts

 

Step 2 – Fit the motor brackets to the Motors

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Mount the brackets the opposite way to each other so you have left hand and right hand assmblies as shown.

Use the Pimoroni spanner widget to held the nuts while you tighten the screws.

NB. Very important to ensure the edges of the nuts are flat with the top of the motors or the motors will be at a strange angle when fitted.

 

Step 3 – Fit Motors to Mainboard

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Use th two 10mm screws in each motor mount bag to fit the motors to the top of the main PCBA as shown above

Ensure the axles are at the rear and facing outwards.

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Tighten the screws fully

 

Step 4 – Fit the Front Caster

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Remove the ball if it is supplied already in the housing

Use two of the 6mm screws to fit the housing the the bottom of the main board as shown above

 

Step 5 – Fit the Battery Mounting Pillars

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Use two of the 6mm screws to fit the 25mm pillars as shown above

Tighten up fully

 

Step 6 – Attach the Battery Holder

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Use the remaining two 6mm screws to attach the battery holder firmly

Ensure the pen holder ring of the battery holder is directly above the pen holder hole in the main board

 

Step 7 – Finish

Push on the wheels and pop in the caster ball

Fit batteries.

Add your Micro:Bit and start programming!

Visit Programming Robobit Buggy