KiCad + STM32F4 + USB + Buck converter video reference/test PCB.
- Learn how to design your own STM32-based PCB (https://youtu.be/x_5rYfAyqq0)!
- Learn how to write firmware for the STM32 microcontroller (https://youtu.be/C7-8nUU6e3E)!
You can order this board (incl. SMT assembly) at https://www.jlcpcb.com. Gerber and assembly files are in the relevant repo folders.