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
STM32Pecanpico10
DL7AD
23 × 50 mm119 parts2LCustom license41
AVR/ArduinoNanoGris
Quinienl
68.5 × 108 mm108 parts2LGPL-3.041
FPGAICE40HX8K-EVB Rev B
OLIMEX
65 × 67 mm97 parts4LApache-2.041
ESP32ILDAWaveX16
stanleyondrus
52.8 × 55 mm94 parts2LNo license41
STM32TinyFISH
fishpepper
20 × 20 mm88 parts2LCERN-OHL-1.241
RP2040/RP2350RKD-OLD
PTALTS-LK
100 × 94 mm86 parts2LGPL-3.041
42
nglgzz
303 × 103 mm85 parts2LMIT41
RP2040-PICO-PC rev C
72 × 38.5 mm61 parts2LGPL-3.041
ESP32VFD Watch
Pakue95
67.8 × 55 mm59 parts2LNo license41
ESP32Fm streamer
russery
39.4 × 57.2 mm58 parts2LGPL-3.041
RP2040/RP2350Lemon pcb swizzle
rianadon
31.9 × 36 mm56 parts2LNo license41
PLAster128
evietron
17.4 × 60.6 mm51 parts2LGPL-3.041
Side
zzeneg
97.8 × 81.3 mm50 parts2LMIT41
Microchip SAMBias generator LT8362
OpenSiPM
37.6 × 30.6 mm45 parts4LMIT41
STM32Bfunc
Cushychicken
63.5 × 25.4 mm45 parts2LNo license41
RP2040/RP2350Pico2DVI
Aiden-Chostner
94.5 × 80.2 mm38 parts2LCC0-1.041
Zx2022
michalin
100 × 100 mm34 parts2LGPL-3.041
Tem cell
PetteriAimonen
50 × 49 mm32 parts2LCC-BY-4.041
RP2040/RP2350Pico Interface One
derekfountain
100 × 99.9 mm32 parts4LGPL-2.041
BioAmp v1.5
upsidedownlabs
32 × 60 mm28 parts2LCERN-OHL-S-2.041
NXPKicad teensy epaper
pdp7
7.3 × 7.3 mm21 parts2LApache-2.041
ESP32Tiny slime
gorbit99
40 × 40 mm12 parts2LMIT41- schematic only · 56 parts
Intel8088OnBreadboard
sladorsoft
56 partsNo license41 - schematic only · 1 parts
BBear balance car
bigbearishappy
1 partsNo license41 
FPGAMainboard
daveshah1
150 × 90 mm709 parts8LMIT40
NXPArcher mainboard
EI2030
227 × 50 mm392 parts4LCERN-OHL-S-2.040
STM32Remram
hasenbanck
140 × 104 mm259 parts4LNo license40
Omega-Mainboard
merlinkv
333.4 × 149.9 mm248 parts2LGPL-3.040
Gmsl deserializer
antmicro
75 × 60 mm225 parts4LApache-2.040
TRS-80 Color Computer 3
qbancoffee
280 × 156.3 mm205 parts2LGPL-3.040
AVR/ArduinoOtterX
RetroRemake
170.1 × 170.1 mm168 parts4LCERN-OHL-W-2.040
RP2040/RP2350SimplyKeeb-60K
geaz
291 × 153.2 mm158 parts2LGPL-3.040
Helix niz
ginjake
132 × 94 mm156 parts2LNo license40
Microchip SAMNigun
raziele
54 × 50.1 mm150 partsNo license40
Choc keypad
jamesmunns
95.5 × 127.5 mm147 parts2LNo license40
STM32Flatmcu
GyrocopterLLC
77.8 × 63.2 mm115 parts4LMIT40
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