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  1. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    Here the “signature” of a perpendicular vs // passing by magnet. So the ring magnet is just a strong long N-S magnet, consisting of 2 separate n-s N-S||•||N-S https://photos.app.goo.gl/37RNSkGRrHDYtqPq7
  2. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    Putting it on the front wheel🤔😉…
  3. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    So we could use a hall sensor instead of a reedswitch and mimic that signal, is this what you do?
  4. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    If you could be sure that your reedswitch is ok, this means that upgrading the software of the Bosch system works with the simple “square pulse”😃?… Let us know your findings Thanks for sharing
  5. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    Magnet - Reedswitch positioning (picture : rotation direction of the wheel is “into the table” , from up to down ) “Double reading problem” https://photos.app.goo.gl/Vpa6raXtZMBGLrqr5
  6. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    Hello, Nice these enthusiastic talks. @tatane , what version of the motor system software are you testing on? Actually, this is my biggest concern. I am on 4.21.0. As said, I am successfully ran for hundreds of km with the logic I mentioned above (loop code logic). If you have the latest motor...
  7. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    239€ 🤪, material cost 30€ for end consumers, imagine if you can buy in bulk all components 😃 🤪🤪🤪 “ RimBoost pre-order at the special price of 239.00 euros. After the official release date, the RimBoost will cost 279.00 euros.”
  8. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    Here my logic: reduction factor 2 (PulseCount % 2 ), pwm energize the coil on reedswitch isreleased during not more than 2x the original pulse width (if (LoopTime-PWMpulseStart>ReedUpTime*2) { analogWrite(PWMPIN,0). High duty for short pulses, low for long pulses (map(ReedUpTime, 555, 0, 40...
  9. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    And I think we can just mimic the pulse length as a square wave, that should be enough 😜 This is the signature that I measured with my phone. (If I remember wel it is the one from the electromagnet, n’y the rim magnet...?) I suppose Bosh is only taking the overall (sum of xyz). I c’ant imagine...
  10. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    “Blink without delay”, but I think you know that… I planned to measure the speed by capturing the reedswitch pulse length! (How long the reedswitch stay closed) Depending on the magnet orientation (see earlier post) the reedswitch stay closed for a certain amount of time, magnet passes along...
  11. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    Why in the hell would they do this over complicated logic an loose possible customers …?, if it is a legal obligation, they could just proof they apply a speed limit… If all this is true, then I would output the real speed if <=25 km/h, and all speeds above reduce it progressively to 25🤔?
  12. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    Is this version compatible with the megabroba speed hack?
  13. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    Wow, I am “half” that far 4.21.0🤔🤨
  14. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    Go to Settings > 'xxxxx's eBike' > Components > Drive unit > software version.
  15. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    And the speedhack is still working? Can you share your app version and drive gear firmware? Thanks
  16. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    Ok, my drive unit : 4.21.0 Will this change when applying the update ?
  17. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    My flow app version is 1.15.10 (110) Don’t know about the motor firmware, how can i find that out?
  18. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    And now, who will be the first brave tester that will install the flow firmware upgrade and see if all still work🤔😉
  19. manu.w

    MEGABOBRA: Bosch Smart System Derestriction for Rim Magnet - DIY Project with Support

    Hagrrr, sad … Error 523003 Speed sensor is not working correctly. The speed may therefore not be correctly displayed to you. The output of the drive unit is likewise limited. Error 523001 Speed sensor is not working correctly. A reduced drive unit power may therefore be available to you. The...
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