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860C Controller

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Seems popular with the TSDZ2 open source people. Electrify Bike has one ready with a custom(?) harness. https://www.electrifybike.com/products/complete-controller-860c-display-for-tsdz2-open-source-firmware-osf They say: The 1 To 4 main harness cable enables the use of all of the bafang throttles and brake cutoff sensors. These are all selectable below for inclusion with the upgrade kit. The harness is compatible with the KT-LCD3 display and the 850C color display. It will also work with the SW102 Bluetooth display when the firmware is complete. We are currently loading TSDZ2 OSF version v20.1C.3.  Controller installation: The upgrade is a mostly straightforward and easy operation. You just take off the motor cover and the plastic cover under the chainring. Then you can see the controller and the rest is fairly obvious. The only part that is a little bit tricky is prying out the rubber plug around the cables where they pass through a hole in the motor body.  Here is a video showing how

Open Source control software

Flavors for several displays: emmebrusa · GitHub

TSDZ2, 36V, 350W motor kit purchased

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Kit details from EBay: https://www.ebay.com/itm/184929612752 Sold by: https://www.ebay.com/usr/auto-ebike TSDZ2 Mid Motor With Torque Sensor,36V 350W 42T Conversion Ebike Kit MPN:  TSDZ2 LCD: VLCD5 LCD DISPLAY Brand: Tongsheng Voltage: 36V UPC: 613894999666 NEW VERSION TSDZ2 Torque Sensor Central Motor. Power: 350W. Voltage:36V. No Throttle. No Brake Grid. PS: 29 usd extra payment needed if you need throttle and cutoff brake. Feature: 1. Easy assembling; 2. Maximum Torque: 80N.M; 3. Built-in Controller and both side torque sensor; 4. Weight: 3.6Kg; 5. LCD Display. 6. Power: 350W; 7. Power Assistant Ratio: 36%~300%; 8. Limited Speed: 25Km/h; 9. Chainwheel: 42T; 10. High efficiency, low battery power consumption, safety long riding. 11.BB SIZE:68mm-73mm It fits all 36V battery packs. TSDZ2 Central Mid Motor With Torque Sensor,36V 350W 42T Conversion Ebike Kit Advantages: 1.Easy installation,aplicable for most normal bicycles 2.Most powerful about 80N.m,strong ramp-climbing capability 3