Open source PCB designs you can simulate
42,857 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.
42,857 boards|Most starred
Bad
lab64makerspace
114.3 × 76.2 mm0 parts4LNo license20- schematic only · 223 partsSTM32
OM-64DO
OpenModbus
223 partsGPL-3.020 - schematic only · 85 parts
TI99-Motherboard
rkrenicki
85 partsNo license20 
STM32Barebones
nzevh
354 × 150 mm1026 parts8LCERN-OHL-S-2.019
STM32Oresat adcs card
oresat
99.8 × 94.6 mm579 parts4LGPL-2.019
Amiga 2000R6
iansbremner
416.8 × 346.1 mm553 parts2LNo license19
FreeDSP-OCTAVIA
freeDSP
178 × 99 mm505 parts4LCC-BY-SA-4.019
Processor
Bread80
410.2 × 272.4 mm417 parts2LNo license19
CoreOne xCORE200-Original
ohdsp
100 × 100 mm389 parts4LNo license19
FPGAKarnix ASB-254
Fabmicro-LLC
85 × 56 mm364 parts6LCustom license19
TWIST V1.4
owntech-foundation
100 × 160 mm324 parts6LNo license19
STM32Plinkyblack hwmidi jacks
ember-labs-io
121.9 × 109.2 mm261 parts4LCC-BY-SA-4.019
Microchip SAMPurpledrop
uwmisl
161 × 100 mm253 parts4LMIT19
ESP32Spikeling
OpenSourceNeuro
120 × 80 mm211 parts2LGPL-3.019
ESP32VCU
sufst
194.3 × 92.8 mm205 parts4LGPL-3.019
AVR/ArduinoCelestine
ai03-2725
343.7 × 116.7 mm199 parts2LAGPL-3.019
NXPAtreus 54percent
wolffjj
277 × 110.8 mm181 parts2LGPL-3.019
STM32DD Compute 2
Acmex2564
200 × 65 mm175 parts4LNo license19
Launch Tower Computer III
psas
205.5 × 152 mm169 parts4LNo license19
AVR/ArduinoSolheim68
evyd13
323 × 94.1 mm164 parts2LGPL-3.019
AVR/ArduinoKeyboard
nicola-strappazzon
230 × 96 mm164 parts2LNo license19
Speedo
cozykeys
307.6 × 118.8 mm163 parts2LGPL-3.019
ESP32Iot esp eth com
uysan
29.5 × 64.5 mm146 parts4LCERN-OHL-P-2.019
Zx sizif-512-ext
UzixLS
213 × 64 mm145 parts2LMIT19
RP2040/RP2350Memoria
shinkaimayano
242.9 × 96.8 mm145 parts2LMIT19
PiPLC-Mainboard
Chrismettal
158 × 85 mm144 parts2LCC-BY-SA-4.019
AVR/ArduinoBatterymeter
hb020
106.1 × 29.2 mm143 parts4LNo license19
Fmc usb gpio spi jtag
chipsalliance
76.5 × 69 mm136 parts6LApache-2.019
Dendy
91 × 186.5 mm127 parts2LNo license19
Toern
Soundpauli
160 × 71 mm118 parts4LCC-BY-NC-4.019
AVR/ArduinoDSKY
Apollo-Replica
169.9 × 190.9 mm116 parts2LCC-BY-NC-4.019
ESP32Stacklight hardware
Tyler-Ward
132 × 60 mm115 parts2LCC-BY-SA-4.019
STM32Masonry
dcpedit
228.6 × 86.5 mm113 parts2LCC-BY-4.019
Kastenwagen-1840
nopunin10did
350.5 × 83.5 mm111 parts2LCC-BY-SA-4.019
Reviungdash
tumler
260.9 × 107.2 mm110 parts2LMIT19
STM32St40
coarse
226.1 × 73.9 mm110 parts2LCC-BY-SA-4.019
Browse boards by part
AMS1117-3.3 1847USBLC6-2SC6 1502RP2040 1017W25Q128JVS 654AP2112K-3.3 635ESP32-S3-WROOM-1 488TL072 446L7805 43674HC595 404TL074 404CH340C 392LM358 367Pico 356USBLC6-2P6 351AP2112K-3.3TRG1 345Arduino_Nano_v3.x 317LM7805_TO220 315ProMicro 29774LS04 285ESP32-WROOM-32 285PC817 260SRV05-4 25874LS245 257TP4056 250