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.
ESP32QLAMP-main
hisashin
142 × 58 mm143 parts2LGPL-3.024
STM32PCB-reflow solder table
DerSpatz
100 × 100 mm77 parts2LMIT14- schematic only · 53 partsSTM32
Wmd6c servo
ChipCreates
53 partsMIT5 
AVR/ArduinoNixie Clock
PennyLekas
115 × 80 mm94 parts2LCERN-OHL-S-2.00