1,140 open source PCB designs, indexed by the chip they’re built around
Real boards from 401 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.
ESP32Open Book Abridged Edition
joeycastillo
85 × 115 mm65 parts2LCC-BY-SA-4.08.1k
ESP32Badge
atopile
56.3 × 39 mm239 parts4LMIT4.0k
ESP32Racer
StuckAtPrototype
36 × 50.2 mm70 parts4LApache-2.03.8k
ESP32Bitaxe
skot
56.5 × 99.8 mm86 parts4LCERN-OHL-S-2.01.4k
ESP32Cube motherboard
willem-pennings
95 × 95 mm42 parts4LGPL-3.01.1k
ESP32Kv4p HT
VanceVagell
38.1 × 82.6 mm87 parts4LGPL-3.0814
ESP32Silkscreen
iandchasse
60 × 111.3 mm171 parts2LCERN-OHL-S-2.0554
ESP32Ulx3s
emard
94 × 50.8 mm212 parts4LMIT463
ESP32ESP32
Chrismettal
66.4 × 48.1 mm70 parts2LCC-BY-SA-4.0446
ESP32BitaxeGamma
bitaxeorg
56.5 × 99.8 mm90 parts4LCERN-OHL-S-2.0418
ESP32ESP32-EVB
OLIMEX
75.2 × 74.7 mm157 parts2LApache-2.0285
ESP32SmartSPin2k
doudar
57.2 × 60.3 mm79 parts2LGPL-2.0283
ESP32Bms c1
LibreSolar
135 × 70 mm167 parts4LCERN-OHL-W-2.0260
ESP32Duet 2
Duet3D
100 × 123 mm348 partsCERN-OHL-1.2257
ESP32OMOTE - Open Universal Remote
OMOTE-Community
192.4 × 50 mm135 parts2LGPL-3.0142
ESP32PCB business card remake
49 × 74.9 mm301 parts4LApache-2.0132
ESP32Tokay lite
maxlab-io
70 × 70 mm146 parts4LCERN-OHL-P-2.0126
ESP32Capacitor alarm clock
ArcaEge
62.3 × 64.3 mm81 parts2LMIT117
ESP32Bitclock
goat-hill
78 × 48 mm58 parts4LMIT112
ESP32Communicator
Hack-a-Day
148 × 81 mm47 parts2LMIT101
ESP32Plantpal
teapotlaboratories
38.4 × 128.5 mm109 parts4LMIT97
ESP32Womo
muccc
254.9 × 150.1 mm532 parts4LGPL-3.084
ESP32Sra dev board 2026
SRA-VJTI
90.2 × 90 mm145 parts2LMIT80
ESP32TRS-IO++
apuder
145.7 × 107.8 mm94 parts2LGPL-3.074
ESP32MRR ESPA
maplerainresearch
99.5 × 90.5 mm126 parts2LCERN-OHL-1.258
ESP32Ups to esp32
aronreid
36 × 58 mm38 parts2LGPL-3.052
ESP32SmartKnob DevKit Base
SeedLabs-it
81.2 × 81.2 mm222 parts4LApache-2.046
ESP32MRR ESPE
102 × 102 mm164 parts2LCERN-OHL-1.238
ESP32Open ambient sensor
hubertciebiada
120 × 103.5 mm52 parts2LGPL-3.031
ESP32AiO-i2s-DAC
martinroger
58.8 × 55.8 mm86 parts2LMIT22
ESP32Spikeling
OpenSourceNeuro
120 × 80 mm211 parts2LGPL-3.019
ESP32ESP32 16
computergeek1507
142.1 × 90.8 mm91 parts2LCERN-OHL-1.210
ESP32Redroid go
aseoista
70 × 95 mm80 parts2LGPL-3.010
ESP32Finland live train map
HekiNav
110 × 220 mm326 parts2LMIT7
ESP32ChrisBox
TUDA-MUST
78 × 46.3 mm177 parts4LCC-BY-4.06
ESP32Esp32-c3-iot sensor board
Ans1S
35.4 × 21.6 mm57 parts4LMIT6
Browse boards by part
AMS1117-3.3 53RP2040 49USBLC6-2SC6 37TL072 35TL074 29W25Q128JVSIQ 27AP2112K-3.3 24LAN8710A-EZC(QFN32) 24USBLC6-2P6 21CH340T(SSOP20W) 1874HC595 17SY8089AAAC(SOT23-5) 16XC6206P332MR 16AMS1117-5.0 15SRV05-4 1574HC4051 14BME280 14ESP32-S3-WROOM-1 14BL4054B-42TPRN(SOT23-5) 13ESP-WROOM-32 13SN65HVD230 13W25Q128JVS 12LM358 11W25Q32JVSS 11