988 open source PCB designs, indexed by the chip they’re built around
Real boards from 330 public GitHub repositories, read straight from their KiCad files: size, layers, the full parts list and a render of the PCB. Find one close to what you’re building, then simulate its firmware on HardLabs before you order anything.
ESP32
Open Book Abridged Edition
joeycastillo
85 × 115 mm65 parts2LCC-BY-SA-4.08.1kESP32
Racer
StuckAtPrototype
36 × 50.2 mm70 parts4LApache-2.03.8kESP32
Bitaxe
skot
56.5 × 99.8 mm86 parts4LCERN-OHL-S-2.01.4kESP32
Ulx3s
emard
94 × 50.8 mm212 parts4LMIT463ESP32
ESP32
Chrismettal
66.4 × 48.1 mm70 parts2LCC-BY-SA-4.0446ESP32
BitaxeGamma
bitaxeorg
56.5 × 99.8 mm90 parts4LCERN-OHL-S-2.0418ESP32
ESP32-EVB
OLIMEX
75.2 × 74.7 mm157 parts2LApache-2.0285ESP32
SmartSPin2k
doudar
57.2 × 60.3 mm79 parts2LGPL-2.0283ESP32
Bms c1
LibreSolar
135 × 70 mm167 parts4LCERN-OHL-W-2.0260ESP32
Duet 2
Duet3D
100 × 123 mm348 partsCERN-OHL-1.2257ESP32
PCB business card remake
StuckAtPrototype
49 × 74.9 mm301 parts4LApache-2.0132ESP32
Bitclock
goat-hill
78 × 48 mm58 parts4LMIT112ESP32
Plantpal
teapotlaboratories
38.4 × 128.5 mm109 parts4LMIT97ESP32
TRS-IO++
apuder
145.7 × 107.8 mm94 parts2LGPL-3.074ESP32
MRR ESPA
maplerainresearch
99.5 × 90.5 mm126 parts2LCERN-OHL-1.258ESP32
Ups to esp32
aronreid
36 × 58 mm38 parts2LGPL-3.052ESP32
MRR ESPE
maplerainresearch
102 × 102 mm164 parts2LCERN-OHL-1.238ESP32
Open ambient sensor
hubertciebiada
120 × 103.5 mm52 parts2LGPL-3.031ESP32
AiO-i2s-DAC
martinroger
58.8 × 55.8 mm86 parts2LMIT22ESP32
Esp32-c3-iot sensor board
Ans1S
35.4 × 21.6 mm57 parts4LMIT6ESP32
SensactHs
klaus-liebler
100 × 86.5 mm317 parts2LApache-2.04ESP32
Board
dshills
120 × 80 mm17 parts2LMIT4ESP32
Controller
StuckAtPrototype
29 × 74 mm58 parts4LApache-2.03.8kESP32
ESP32-EVB
OLIMEX
75.2 × 74.7 mm157 parts2LApache-2.0285ESP32
SmartSPin2k
doudar
189.5 × 204.9 mm79 parts2LGPL-2.0283ESP32
NextTRS
apuder
145.7 × 107.8 mm93 parts2LGPL-3.074ESP32
Leshy2 LESHY2-UI-R2 R2 exact placement
anton-vinogradov
80 × 150 mm430 parts6LMIT5ESP32
SensactHsIO5
klaus-liebler
90 × 67.5 mm213 parts2LApache-2.04ESP32
ESP32-EVB
OLIMEX
75.2 × 74.7 mm157 parts2LApache-2.0285ESP32
SensactHsIO4
klaus-liebler
90 × 74.6 mm196 parts2LApache-2.04ESP32
ESP32-EVB
OLIMEX
75.2 × 74.7 mm157 parts2LApache-2.0285ESP32
SensactHsIO3
klaus-liebler
90 × 53 mm187 parts2LApache-2.04ESP32
ESP32-EVB
OLIMEX
75.2 × 74.7 mm156 parts2LApache-2.0285ESP32
TRSIO
apuder
93.3 × 80.6 mm33 parts2LGPL-3.074ESP32
Simple carrier board (CP2104)
martinroger
76 × 56 mm9 parts2LMIT22ESP32
SensactUp4
klaus-liebler
70 × 70 mm145 parts2LApache-2.04