Open source PCB designs you can simulate
20,144 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.
AVR/Arduino
Adafruit Circuit Playground
humancomputerintegration
61 × 60 mm78 parts16LGPL-3.03AVR/Arduino
XDuinoRail-Protoboard
chatelao
100 × 100 mm42 parts2LAGPL-3.00