How to compile MP for the WeAct Studio STM32H743

Bonus track: Native QR Code creation.

See their github page. AliExpress Listing.

Create the firmware

git clone https://github.com/micropython/micropython
open micropython/ports/stm32/

<copy files/folders>

• --> Makefile: replace file
• --> wdt.c, kongduino.c & kongduino/ Copy into ports/stm32
• --> WEACT_H743/ Copy into ports/stm32/boards

cd micropython
make -j 12 -C mpy-cross
cd ports/stm32/
make -j 12 BOARD=WEACT_H743 submodules
make -j 12 BOARD=WEACT_H743

firmware.hex is in ports/stm32/build-WEACT_H743.

Upload

1. Put the device in DFU mode.

2. Open STM32CubeProgrammer

3. Select USB1 and click Connect

4. Click Erasing and Programming.
5. Click Browse and select firmware.hex
6. Click Start Programming.

Et voilà !