2 layers

Stm32-tutorial project
CanSource/STM32G4-tutorial-project
A tutorial for microcontroller hardware design with the STM32 G4 (in KiCAD)
72 parts1CERN-OHL-P-2.0
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

CanSource/STM32G4-tutorial-project
A tutorial for microcontroller hardware design with the STM32 G4 (in KiCAD)