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
RotoPD
CentyLab
24.4 × 35.8 mm41 parts2LCustom license175
RP2040/RP2350HydraMeter 0.4
jduffy105
76.2 × 114.3 mm288 parts2LCERN-OHL-S-2.0174
ESP32EsperDNS
zachmorr
51 × 48 mm58 parts4LMIT174
RP2040/RP23500xB2
plut0nium
17.8 × 33 mm36 parts2LCERN-OHL-S-2.0174
ESP32Mdb slave esp32s3-sim7080g
nodestark
65 × 40 mm77 parts2LMIT173
AVR/ArduinoSuper Sixteen v1
matthewcieplak
111.3 × 106.4 mm141 parts2LNo license172
STM32Nts-1-customizations
korginc
128.5 × 78 mm60 parts2LBSD-3-Clause171
RP2040/RP2350ErgoSNM right
siderakb
115.6 × 106.7 mm101 parts2LCERN-OHL-P-2.0170
STM32Cheap
hardenedlinux
68 × 40 mm44 parts2LCC0-1.0170
Pierce
durken1
114.7 × 91.3 mm30 parts2LMIT170
PCIexpress x16 full
lucanastasio
312 × 111.2 mm64 parts4LNo license169
Raspberry PiBcflight
dridri
66.3 × 40.2 mm56 parts4LGPL-3.0169
STM32Ventilator Main Board
RespiraWorks
350 × 155 mm646 parts4LApache-2.0168
RP2040/RP2350Rusty probe
probe-rs
40 × 14 mm85 parts4LNo license168
ESP32Spark-Analyzer
tooyipjee
46.5 × 40 mm67 parts4LMIT168
STM32Diy projector clock
shufps
77 × 100 mm63 parts2LNo license168
Sharp memory display breakout
karnadii
35.6 × 22 mm11 parts2LCERN-OHL-P-2.0168
STM32Keebee
blakesmith
275 × 103 mm152 parts2LNo license167
MsiSDR
11tools
46.3 × 90.7 mm76 parts2LGPL-3.0167
Bose qc35-usb c
jamesturton
24 × 16 mm35 parts4LCC-BY-NC-4.0167
AVR/ArduinoEV Charger
fotherja
118 × 103.5 mm53 parts2LMIT166
ESP32Meshtastic DIY 1W board
Hydra-Designs
28 × 46.2 mm43 parts2LGPL-3.0166
MFOS Eight Stage Phase Shifter - Main
mzuelch
27.9 × 101.6 mm104 parts2LMIT165
65uino
AndersBNielsen
74.4 × 53.6 mm80 parts2LCustom license165
Zmk apple desktop bus keyboard
mattchesters
126.6 × 21.4 mm12 parts2LMIT165
Sniffer
kylemanna
38.4 × 65.5 mm10 parts2LCC-BY-SA-4.0165
STM32FreeEEG32-beta shorting minuses
neuroidss
70 × 70 mm224 parts4LAGPL-3.0164
SEthernet/30 PDS Ethernet card for Macintosh SE/30
rhalkyard
116.8 × 121.8 mm43 parts4LGPL-3.0164- schematic only · 87 partsESP32
Antenny
RedBalloonShenanigans
87 partsNo license164 
Legacy stepper motor analyzer
zapta
96.7 × 66.4 mm28 parts2LCC0-1.0163
Tinyriser v2
a-little-wifi
113.3 × 23.5 mm20 parts4LCERN-OHL-S-2.0163
FPGAOssc
marqs85
124.6 × 68.8 mm259 parts4LNo license162
STM32OtterPill
Jana-Marie
43.2 × 17.6 mm42 parts2LCERN-OHL-S-2.0162
AIOsense
Schluggi
56.4 × 78.4 mm20 parts2LMIT162
RP2040/RP2350Pico dco
polykit
100 × 165 mm148 parts2LNo license161
ESP32LCDZapperPro
charcole
90 × 76.5 mm110 parts2LCC-BY-NC-4.0161
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