Open Source Electronic Derailleur

Bikes Fun & Games
Open Source Electronic Derailleur


Nabil Tewolde of Markham, ON, created an instructable on how to build your own electronic derailleur as part of his bike computer project. Code, BOM, and schematics on Github.

8 thoughts on “Open Source Electronic Derailleur

  1. Mateo says:

    Tiagra? Yikes. I think all the effort warrants Ultergra.

    1. nabilt says:

      I plan to for the next version. Since the modifications are permanent I decided to try it with a cheap derailleur first.

  2. AndyL says:

    Is this the first step towards a automatic shifter?

    1. nabilt says:

      That wasn’t my plan, but a lot of people have requested that feature. I guess folks who ride casually would enjoy it so I’ll add it to the backlog.

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My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net

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