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  1. O

    Re-program Bosch mid drive (classic line) microcontroller

    Dear avandalen, Thank you for your response. I understand your suggestion, and it could be a good solution when the hardware is damaged. However, this is not the case here, and I would like to use only the hardware that is there now: All of that is nicely waterproof packed in the casing, so my...
  2. O

    Re-program Bosch mid drive (classic line) microcontroller

    Dear Calab, Thank you for your reply. I agree that the less 'steep' method would be to start designing a new PCB, with similar components as used in the Bosch motor. This was my first thought as well. However, there are some disadvantages to take into account: - Quite some electronic components...
  3. O

    Re-program Bosch mid drive (classic line) microcontroller

    Dear all, I have received an old classic line (2013, I think) Bosch mid drive motor unit. The battery of the bike is not present. I would like to use this mid drive in a future bike build, but I am aware that these systems are built heavily integrated, so that only Bosch parts can be used for...
  4. O

    disecting a Sanyo/Rabbit Tool 250W PAS geared hub motor

    Dear Ed, Thank you for your message. It is holding up well, the only disadvantage so far is that I should really make sure to turn off the bike when charging the battery. For some reason the DC-DC converter in the motor driver cannot deal with what the charger does on the battery BUS, perhaps a...
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    disecting a Sanyo/Rabbit Tool 250W PAS geared hub motor

    Dear all, I am new to the forum, and just wanted to mention here that I have worked for quite a bit on these Sanyo hubs mentioned above. In Germany and the Netherlands, they have been sold in two versions, one with three internal gears and one with a freewheel pylon (7sp). I have rebuilt a PCB...
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