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  1. fja2

    BBSHD ASI BAC855 programming thread

    This thread is about programming ASI BAC855 controllers that are paired with a BBSHD motor. Easiest way to program: Use a regular bafang BBSHD HIGO display to USB(TTL) adapter and the BACDoor software. When changing parameters I always press the write button, then I press (Menu->Parameter->Save...
  2. fja2

    Bafang BBSHD How I repaired my controller and how you might do it!

    Hey guys, this is some kind of advanced troubleshooting guide for the BBSHD controller. :bolt: There's a capacitor that's connected in parallel to the + and - terminals. After the controller has been disconnected from the battery do the following: 1. Turn on your display. 2. Measure the...
  3. fja2

    DIY Speed sensor | Bafang BBSHD sensor reverse engineering

    This is a complete repurposing of this thread. Short story, I've broken 8FUN speed sensors in the past and finding information on how this speed sensor works was impossible. This thread aims to provide schematics, simple measurements, sample 3D designs and a place where people can talk about...
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