Please follow the next steps to be able to flash the firmware.

Table of Contents Buy STLinkV2 clone Wire the STLinkV2 to the LCD3 Download and flash our firmware Flash firmware on Linux

To be able to flash the firmware (both for TSDZ2 motor controller and KT-LCD3), you will need the cheap clone of STLinkV2, that you can buy on EBay as cheap as 2.3€.

WARNING: we found that some STLinkV2 clones can't flash very well the motor controller while other do it well. A good idea is to buy like 3 different STLinkV2 clones, from different shops.

Open the LCD3 and find the flashing pins top right side with label J7. From left to right on J7 pins, connect the following pins:

• pin1: connect to STLinkV2 5V pin
• pin2: connect to STLinkV2 SWIM pin
• pin3: connect to STLinkV2 GND pin
• pin4: connect to STLinkV2 RST pin

Some pictures:

1. Download ST Visual Programming utility for Windows here. This software is from the STM8S105 manufacture for flashing the firmware. NOTE: if you are on Linux or MAC, you can use other alternative tool. For instance, on Linux you can use stm8flash.
2. A video tutorial is https://youtu.be/bxEHDFCaKH8
3. Download the firmware hex file from here. Pick the file with name KT_LCD3_xxxxxx.hex.
4. Erase the STM8 as this way the read protection will be disabled. If you don't disable the read protection/erase, next step will fail.
5. Finally, flash the firmware.

The process is the same as how to Flash the firmware on TSDZ2, using the appropriate hex file for the LCD3