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Just in case anyone finds this thread. I took the plunge and went for the Open Source Firmware and wired up the usb interfaces (hoping I wouldn't put 48volts onto the wrong pin on the display...) Anyway got mbrusa's open source firmware loaded on the motor and display. The torque now works, the...

Well, I think I might have cracked it. I started down the firmware route and since I now have a 48volt motor flashed the motor with 48volt stock firmware. Whilst going through various bit that I'd ordered for this project over the last couple of months I noticed that I had thumb controller. I...

I just noticed a couple of settings that perhaps someone could look at. I have only touched the speed limit. Oops sorry don't know how to limit the size.

Thank you all for your comments. Thanks for the clarification on the battery and the 500C. Now I have fitted the 850C and it isn't as bad as I thought given that I had to move a few things on the cockpit (btw why does the little controller come with such as small attachment ring when the main...

Well I checked the speedo, swapped over the head unit to the 850C it came with and checked the settings. Only one that needed changing was to a 26 inch wheel. On the static trainer seemed to be doing things and making a noise. Went for a ride and getting up the first hill was so hard. It wasn't...

I'll check that, though I was seeing the speedo work ok. What cadence are you suggesting? And thanks for replying :)

Hi everyone, I'm in need of a bot of help, advice and encouragement as I am feeling a bit depressed over my Tongshen DSZ2 ebike conversion. Sorry, it's a bit of a story: After a lot of hassle in getting the motor and battery from a company on Aliexpress my motor arrived after about 5 weeks. But...