Open source PCB designs you can simulate
20,833 boards
Every public KiCad project we can find on GitHub, with its processor, full parts list and a render of the board. Any of them can be brought up in simulation: open one and run firmware on it before you order a single PCB.
STM32Kup lulz
azonenberg
154.5 × 137 mm376 parts4LBSD-3-Clause17
STM32Mainboard
165 × 121 mm617 parts10LBSD-3-Clause7- schematic only · 80 partsSTM32
Grover
80 partsBSD-3-Clause2 
STM32Switch engine
151 × 111 mm362 parts10LBSD-3-Clause35
STM32Fpga stm32-ifaces
90 × 94.5 mm267 parts6LBSD-3-Clause17
STM32Lcbringup
93 × 69 mm198 parts4LBSD-3-Clause35