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  1. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    Hi Casainho, if you deliver 300w continuously then you might not need an ebike!
  2. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    you have to open command line window cmd go to the directory with the release.bat (TSDZ2-Smart-EBike in my case) run a release.bat from this directory in a command line make sure there is a ./src folder with compile.bat in it
  3. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    there is a .bat file in the release, what kind of errors do you get?
  4. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    Casainho certanly knows more, but you simply keep your rpm in acceptable range so the motor does not need to force, on the low rpm but the high torque. You can look at the current and keep your pedal rpm high enough (but less than 90rpm) so the motor is in the green zone. By listening the motor...
  5. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    I do a lot of tooring with kids on my cargo bike and in terms of autonomy there is only one thing that helps - using gears like on a regular bike. I guess your know how to do that as you come from a regular bike. Limit your max current to 16A or less. Batteries don't like strong current surges...
  6. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    Unselect your torque calibration, it helps a bit to have a better start.
  7. V

    New "TSDZ2 Torque Sensor Central Motor"

    They probably do loose the firmware. What is your battery cutoff voltage? We had noticed this issue wheen under powering motor controller. It will loose the firmware. I recommend never power it with depleted battery
  8. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    You have a wrong fw in the motor https://github.com/OpenSource-EBike-firmware/Color_LCD/releases/tag/860C_850C_SW102_v1.0.0
  9. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    860c really the only advantage is sealed construction so it doesn't get rain in. It still looses to kt lcd for the visibility in direct sunlight. 0.8.0 is pretty stable for general use. I use it on my cargo bike with two kids and firmware never let me down. 1.0.0 is a big change but some people...
  10. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    I think it's a version 1.0.0 bug. Someone on github proposed a fix but I'm not sure it fixes it for everyone.
  11. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    What are your lights? Is it the official 6v kit. Did it work for you with the previous versions?
  12. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    what was the problem exactly? I use original tongsheng lights kit installed on my bike with the FW 0.8.0 and it works just fine.
  13. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    The voltage is measured by the display and soc I guess. and everything else is sent by the controller. There is no protocol published but casainho has his code open so you can easily extract it from there. Expect error of 3 to 5 percent to those values depending on your chip and température ...
  14. V

    New "TSDZ2 Torque Sensor Central Motor"

    I did the same, putting aluminium kitchen foil, I wonder how long it will stay like that without wobble
  15. V

    New "TSDZ2 Torque Sensor Central Motor"

    next time disconnect the red wire instead :) but before turn everything off by the buttons
  16. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    None of it is a fault: 1 volt over 36V is ~3% of error - this is absolutely normal for the uncalibrated systems. The internal reference of the ADC that is used to measure voltage is not trimmed better than 5%. So one volt discrepancy between two measurement systems is completely normal.
  17. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    Contrary to what Casainho says I would question on what do they sell. Why 860c Display with Tongsheng motor? 860c is for Bafang. Unless they know about the opensource firmware and created the hardware themselves to accomodate our needs. I have only heard of ECO-cycles who sell the motor with the...
  18. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    The last version brings more power at high cadence 90 rpm but other than that it's not that much of a difference. 860c is more waterproof. If you short on cash keep your original display and spend money on something else!
  19. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    Just sent you 25Eur so you can buy at least one to start. By the way can you post the link to the ebay where we can get a new controller, I'll buy one for myself so I can help get the pinout figured out. Thanks
  20. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    Wow, finally a 32bit controller in a Tongsheng, 64 MHz clock, maybe the stock firmware won't be bad on this hardware? Otherwise yes, it's 90$ for the programmer.
  21. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    Hi Casainho, Just updated Wiki with the troubleshooting information when controller firmware gets corrupted and how to restore it using option bytes. I could not upload pictures right away in the wiki, it requires push access to the directory. But the pictures are not necessary anyways.
  22. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    I think that if you wanted the best efficiency than it should be 36V Motor and 36V battery, or at least 48 Motor and 48V battery.
  23. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    That's where it gets confusing. According to Casainho the 1.0 version performace is strictly identical to previous ones at the cadence lower than 90rpm. I haven't upgraded yet 1.0 because I don't care for power but I need a range as I tour on my cargo bike with two kids and I need to have up to...
  24. V

    TSDZ2 mid drive with 860C, 850C or SW102 displays only -- Flexible OpenSource firmware (Casainho code only)

    Well, if you reached your maximum current already - the motor won't give you more than you already getting. I reach my 16amps pretty quickly on climbs. I also think that current implementation of the motor control does not give full torque at 0RPM (i'm using a version 0.8 still) But I did't...
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