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How to install the Flexible OpenSource firmware

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casainho edited this page Mar 16, 2020 · 68 revisions

These notes will help you to install the Flexible Open Source firmware on the TSDZ2 motor controller and on the following displays:

  • Bafang 860C/850C
  • SW102
The recommended display is the 860C or 850C because our firmware can be installed without open the , making the process less risky to damage the display itself as also keeping the original water/rain resistance.
See here a comparison table to help you decide what may be the best display for you.


IMPORTANT NOTES:

  • Installing the open source firmware will void your warranty of the TSDZ2 and displays.
  • We are not responsible for any personal injuries or accidents caused by use of this firmware.
  • There is no guarantee of safety using this firmware, please use it at your own risk.
  • We advise you to consult the laws of your country and tailor the motor configuration accordingly.
  • Please be aware of your surroundings and maintain a safe riding style.

Table of Contents

Introduction

Although this displays signals are compatible with TSDZ2 motor controller, they have different connectors so you will have to connect this display cable wires to the original TSDZ2 display cable by yourself, but this is a simple soldering task.

If you are afraid to do the installation by yourself, you can ask at a local ebike shop as they should easily be able to do it, as the technical difficulty is small.

Jbalat did a series of videos explaining how to install the firmware (please note that this video shows the old display that is not used anymore).

NOTES:

  • Motor configurations: TSDZ2 motor configurations found on online shops (36V, 48V, 52V, whichever power in watts, with throttle or without) the motor controller is just the same. The only relevant difference is brushless motor inside, that there are only 2 different: 36V and 48V motor (52V systems use the 48V motor).
  • Motor max power without damage by heating: the motor can handle only about 8 or 10 amps continuously (10 amps with a 52V battery is 520 watts) otherwise it will heat up fast and damage permanently the motor. Peaks of 18 amps can be used, like at startup or for short time but it is advised to install the motor temperature sensor so the firmware will be able to protect the motor, by reducing the motor current as soon the starts heating after a defined threshold.

Steps for the installation

Note: before start, please first read all the steps to find the tools you will need to have.

  1. Buy the display of your preference: buy Bafang 850C or buy SW102
  2. Flash the firmware on the display: flash 860C/850C or flash SW102
  3. Wire display to TSDZ2: wire 860C/850C or wire SW102
  4. Flash the firmware on TSDZ2
  5. How to install brake sensors (optional but highly recommended)
  6. How to calibrate the torque sensor (optional but highly recommended)
  7. How to install motor temperature sensor (optional but recommended)
  8. How to improve motor heat dissipation (optional)

SPAMERS

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