Open source PCB designs you can simulate
14,451 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.
ESP32Nest mini drop in
iMike78
74.5 × 70.6 mm243 parts4LCERN-OHL-S-2.0598- schematic only · 1 partsESP32
Nest audio
rauli2780
1 partsCERN-OHL-S-2.037 
ESP32WebScreen
HW-Lab-Hardware-Design-Agency
60.6 × 27.6 mm76 parts4LCERN-OHL-P-2.013
ESP32ESP32S3 M.2 Board
ItsNotDaan
23 × 42 mm54 parts4LCERN-OHL-P-2.08- schematic only · 1 partsESP32
Nest audio
spandit69
1 partsCERN-OHL-S-2.01 
ESP32ESP32S3
dhirptl
17.8 × 21.1 mm71 parts2LMIT3
ESP32ESP32S3
feastorg
17.8 × 21.1 mm71 parts2LCC0-1.01
ESP32ESP32S3
AM1NOM
17.8 × 21.1 mm71 parts2LMIT0
Browse boards by part
AMS1117-3.3 544USBLC6-2SC6 454RP2040 377W25Q128JVS 226TL072 210TL074 192AP2112K-3.3 166CH340C 146Pico 134L7805 129SRV05-4 12874LS04 12674HC595 12074LS245 116ESP32-S3-WROOM-1 11274LS00 109ProMicro 107USBLC6-2P6 10674LS138 102AP2112K-3.3TRG1 100W25Q128JVSIQ 9974LS32 96XC6206P332MR 93Arduino_Nano_v3.x 92