This is a project that I did several years ago, but I photographed and documented it well enough that I can do a write-up here without any trouble. Excuse the photographer, he was young and reckless.
The simple idea behind this mouse mod is taking a small motor with an offset weight on its shaft, and mounting it in a PC mouse. These motors are easy to harvest from an old rumble-equipped Playstation or Xbox controller.
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Signing UpStep 1: Materials and Tools
Materials:
- USB optical mouse
- Off-center weighted motor ( 5V )
- Thin metal or plastic sheet
- Bondo or body filler
- Spray paint
- Spray primer
- Wire
- Switch
- Heat-shrink tubing
- Solder
Safety Equipment:
- Goggles
- Gloves
- Sanding mask
Tools:
- Drill
- Tin snips
- Hot glue gun
- Sandpaper (80, 120, 220)
- Soldering iron
- Needle File












































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:-D
I did this in a Logitech G500, hooked up all the connections in the mouse to two copper plates on the inside of the weight cartridge slot. Then I proceeded to make a rumble pak for it that would go in the weight cartridge slot!
Just a hint, those soldering connections (+5v to the mouse button) made it act weirdly so whenever my rumble pak is on my LMB also triggers the "browser back" button. However you could either map it off the mouse with Logitech Setopint or integrate a switch in it so it only is on when you're gaming.
You would need to develop software that would send a signal to a chip inside the mouse. It easily be 30 times more work than in this Instructable. This method is just using the mouse button as a triggering method for the motor, using only hardware piggybacking on the mouse.