Open source PCB designs you can simulate
22,480 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/ArduinoMulti vu eurorack
jjradler
41.3 × 109.5 mm130 parts2LCC0-1.01
PCB B
dragondgold
54 × 54 mm75 parts2LGPL-3.01- schematic only · 49 partsESP32
ATX-24-Pin-Inline-Power-Monitoring-Board
KazmirFahrier
49 partsMIT1 
Expander1 V1.0
VoltageFoundryMod
19 × 99 mm50 parts2LGPL-3.01
PWR Control
Heorenmaru
39.9 × 30.6 mm45 parts2LCC-BY-SA-4.01
Browse boards by part
AMS1117-3.3 899USBLC6-2SC6 763RP2040 566W25Q128JVS 345AP2112K-3.3 273TL072 269TL074 250ESP32-S3-WROOM-1 229CH340C 221L7805 208Pico 19274HC595 185USBLC6-2P6 174LM358 16874LS04 160SRV05-4 158AP2112K-3.3TRG1 154ESP32-WROOM-32 15374LS245 14474LS138 138W25Q128JVSIQ 135Arduino_Nano_v3.x 13474LS00 133TP4056 130