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  1. geeksville

    Advice for a good torque hub motor

    ? :o
  2. geeksville

    Advice for a good torque hub motor

    Another question for ya'll: I had been thinking I would need to use a hub motor because the IPS pedals my wife likes our our tandem would preclude using a mid-drive motor. But I just went out and looked at my TSDZ-2 based ebike and noticed that that motor will nicely let the 'captain' (if in...
  3. geeksville

    CAv3 Torque PAS + dual throttles 2WD for SB Cruiser

    Sounds like a cool project. Alas, probably more than I can sign up for right now. It sounds like possibly an open-soruce replacement for that CAv3 device could fit the bill (but a fair amount of hw and sw work). But like casainho says, if you did the 'backend/analog' box as just a MCU with...
  4. geeksville

    Advice for a good torque hub motor

    Thank you very much! That website looks awesome. I will play around with it and report back. re: cycle analyst No idea - I've never looked into "cycle analyst" but I will investigate.
  5. geeksville

    DIY Derailleur e-Shifter with Arduino Nano... need help with programming...

    Hi Dan, I haven't followed this entire thread (and I haven't logged onto this site since last December). But if you still need help with the programming part, I'm reasonably competent and can help out (also I wanted to do something similar - your thing looks cool!) Also - I might be able to...
  6. geeksville

    Advice for a good torque hub motor

    Hi ya'll, A few months ago I helped out a fair amount contributing code to Casainho's cool open-source bike project (mostly the GUI and SW102). That's my sleazy way of hoping I can spend a bit of that software karma and ask some noob ebike hardware questions ;-). My current ebike is a...
  7. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    It is S110
  8. geeksville

    New opensource project: battery powered long distance mesh radios

    A minor update: It seems to be working pretty well, about 80 users and not too many crashes ;-). Would love more users or co-developers.
  9. geeksville

    New opensource project: battery powered long distance mesh radios

    Hi ya'll, So I helped out a bit on Casainho's cool open-source ebike project. But recently I've been working on a new project that might be useful for some of ya'll. It is a software stack that runs on low end ESP32 GPS+LORA radios from China. It is like those closed source...
  10. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    If you do need to fix your button, you can try removing the PCB (it comes out with a little connector on the back - just flip the black tab up to release the cable). This should give you better access to plug in a jumper. But if that won't work, yeah you'll need to plunk down another $35.
  11. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    alas - the bootloaders that we have out in the field now can't go backwards (there are various pros cons to letting that happen). So I can't change that choice we made without pushing out new bootloaders (which I'm loathe to do without a really good reason). Historically our releases have been...
  12. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    Hi ya'll, The 0.19.17 was pretty solid, but I released it for the gang before I was on a long hiking trip. This new release pulls in the great work by @casainho and @lowPerformer. Note: I've switched to the naming system they constructed for versions, so this new version is 0.5.0-beta-4. It...
  13. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    Btw I made this article into a tool I used when I was doing the solderless update work: https://github.com/geeksville/nrf51-extractor
  14. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    Yes that is correct. The red wire scared me also but it is correct.
  15. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    The the latest sw102 firmware is here. You want 0.19.17: https://github.com/OpenSource-EBike-firmware/Color_LCD/releases It has many improvements vs that old tree. And you may be using a 0.19 version of the motor firmware. If you are using 0.20 motor firmware all of the current sw102...
  16. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    Thanks! The SOC thing I think shares a common bug with the 850C version. So when we fix it it will work for both devices.
  17. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    Thanks. Bug created: https://github.com/OpenSource-EBike-firmware/Color_LCD/issues/28
  18. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    I use the startup power option also with my sw102. However to get it to respond quickly you need to also turn on the option to not require cadence before starting (ie just pedal pressure is sufficient). This is a trait of the 0.19 tsdz2 code - not the display code. Unfortunately I don't...
  19. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    If you hold down the power button the not screen will stay on. Also, it takes a long time for the Unit to power down after the battery is disconnected, maybe even 30 seconds.
  20. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    Please try nrf connect. The updater in nrf toolbox seems flaky to me.
  21. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    Hmm. Were you using the nrf connect app to do the upgrade? (I updated two bikes here and my dev SW102 without problem)
  22. geeksville

    Custom 3d printed battery mount

    Hi ya'll, I recently decided to upgrade from my old recumbent to a new recumbent (one with a shock, because on a recumbent almost all the weight of the rider+battery is on the rear wheel). And finding mounting locations for the battery is challenging. So I cadded up and printed this...
  23. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    Hi ya'll, The 0.19.15 had a serious bug with saving settings. This release fixes that, it also returns the M/ONOFF key usage to the more popular choices. New features (full changelist [here](https://github.com/OpenSource-EBike-firmware/Color_LCD/pull/27)): * Fix settings saving * Change back...
  24. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    You can't copy the factory firmware off normally (because it is read protected). However, I can help you out - PM me ;-).
  25. geeksville

    Bafang SW102 Bluetooth LCD - OpenSource firmware and mobile app

    Interesting! Tomorrow night I'll do two things: Repro the problem you describe and then push out s new version. Push out a version of the classic 0.19.13 build with a special flag set that tells the bootloader to ignore the version info. From now on I'll always set this flag. Sorry about...
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