Articles – Contech – How to make a Mousebus

How to Make A MouseBus
We will show you his idea on a mousebus. A great idea from 233mmx.

    Materials needed (very similar to materials needed for a 4-device baybus)

  • 1x spoilt mouse (Microsoft Mouse is a good choice due to its “fat” profile)
  • 1x project box (1″ x 2″ x 3″ recommended)
  • 2x 4-way spring clips (with 2 screws each)
  • 1x 4-pin male molex with pins
  • 1x 5/6-pin male/female molex with male/female pins
  • Electrical wires (lots of it!)
  • 4x 750 Ohms (0.25W) resistors
  • 4x SPST switches
  • 4x 1.5V/0.015A LEDs (superbright green/red/blue recommended)
  • 4x plastic LED holders (2-piece type recommended)
  • 4x LED holders (those from my previous article!)
  • Heatshrink tubes (good to have a range of different sizes)
  • Solder wires (preferbly use thick ones)
  • Cable ties
  • Superglue/epoxy (to stick back the parts of the mouse, e.g. scroll button & ball)
    Tools needed

  • Power drill
  • Crimping/stripping pliers
  • NT cutter (for cutting excess plastic parts within mouse)
  • Pliers (for removing excess plastic parts within mouse)
  • Scissors
  • Screwdriver (to open/assemble the mouse)
  • Solder iron
  • table clamp (for easy soldering)

Basically the procedure for making this MouseBus is exactly the same as a baybus. You can refer to the relevant sections in this FAQ for the details of making a baybus.


  • drilling the holes on suitable locations on the mouse for the switches and LEDs
  • use the NT cutter & pliers to remove the plastic fins within the mouse so as to create more space
  • due to the cramp space inside the mouse, use heatshrink wherever possible to prevent shorting of the wires
  • using a 5/6-pin molex (instead of wire connectors) makes the connection convenient & foolproof
  • use the superglue/epoxy to glue back the scroll button to make it look like a working mouse
  • make space & put back the ball before assembling the mouse

Contributed & Edited By 233mmx


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