2,699 open source ESP32 boards
Espressif's Wi-Fi and Bluetooth microcontrollers — bare chips and WROOM/WROVER modules, S2, S3, C3 and C6. Every board here is a public GitHub project with its KiCad files, read for size, layers and parts. Pick one close to your design and simulate its firmware on HardLabs before you build it.
ESP32OPEN ECU
aeonSolutions
168.9 × 123.3 mm282 parts2LCC0-1.0160
ESP32OMOTE - Open Universal Remote
OMOTE-Community
192.4 × 50 mm135 parts2LGPL-3.0142
ESP32ESP32-PoE-ISO
OLIMEX
28 × 98.2 mm131 parts4LNo license142
ESP32FujiNet-Astrocade-Rev0
FujiNetWIFI
96 × 58 mm77 parts6LCERN-OHL-S-2.0138
ESP32PCB business card remake
StuckAtPrototype
49 × 74.9 mm301 parts4LApache-2.0132
ESP32CBC
Arrow-air
178 × 211 mm301 parts6LNo license131
ESP32Pcb designer ai agent
assalas
40 × 30 mm17 parts2LMIT127
ESP32Tokay lite
maxlab-io
70 × 70 mm146 parts4LCERN-OHL-P-2.0126
ESP32Capacitor alarm clock
ArcaEge
62.3 × 64.3 mm81 parts2LMIT117
ESP32Easysdr
michalin
67.3 × 74.9 mm32 parts2LGPL-3.0114
ESP32Bitclock
goat-hill
78 × 48 mm58 parts4LMIT112
ESP32HB-RF-ETH
alexreinert
85 × 56 mm86 parts2LCC-BY-NC-4.0104
ESP32Communicator
Hack-a-Day
148 × 81 mm47 parts2LMIT101
ESP32Whofi
jedarden-org
78.5 × 20.1 mm45 parts2LMIT98
ESP32Plantpal
teapotlaboratories
38.4 × 128.5 mm109 parts4LMIT97
ESP32Sstv backpack
vaugerbird
38.1 × 63.5 mm22 parts2LGPL-2.095
ESP32UsbSourceMeasure
BerkeleyHCI
168 × 52 mm310 parts4LBSD-3-Clause91
ESP32DRM Watch v3
drfailov
62.7 × 44.5 mm68 parts2LGPL-3.091
ESP32Womo
muccc
254.9 × 150.1 mm532 parts4LGPL-3.084
ESP32ICE-V-Wireless
ICE-V-Wireless
81.7 × 31.8 mm78 parts4LMIT82
ESP32Sra dev board 2026
SRA-VJTI
90.2 × 90 mm145 parts2LMIT80
ESP32LuxDMX
tombueng
119 × 79 mm93 parts4LNo license78
ESP32TRS-IO++
apuder
145.7 × 107.8 mm94 parts2LGPL-3.074
ESP32Kaleido 6" controller based on epdiy v7
vroland
138.1 × 104.6 mm121 parts4LCC-BY-SA-4.073
ESP32D4 small
unsurv
32 × 45 mm53 parts4LGPL-3.073
ESP32ESP32 Eurorack Audio Module
ctag-fh-kiel
100 × 100 mm167 parts4LNo license70
ESP32Esp32-4-channel relays
leomanangka
86.4 × 86.6 mm59 parts2LCERN-OHL-P-2.070
ESP32Auckland-LED-Train-Map
CDFER
249 × 70 mm239 parts2LGPL-3.068
ESP32OpenDTU-BreakoutBoard
dokuhn
50 × 50 mm9 parts2LCC-BY-NC-4.066
ESP32MIG Dumper
sabogalc
60 × 33 mm71 parts4LWTFPL64
ESP32Nsec badge-2025
nsec
89 × 123.4 mm80 parts2LMIT61
ESP32ESP32-P4-DevKit Rev D
30 × 72 mm154 parts4LGPL-3.059
ESP32MRR ESPA
maplerainresearch
99.5 × 90.5 mm126 parts2LCERN-OHL-1.258
ESP32Air quality sensor
roepkefeller
50.8 × 45 mm75 parts4LNo license58
ESP32Ble stepper motor analyzer
zapta
38.5 × 43 mm58 parts2LNo license58
ESP32PCBA-KNOT
intechstudio
56 × 60 mm110 parts4LGPL-3.057
Browse boards by part
AMS1117-3.3 1014USBLC6-2SC6 819RP2040 607W25Q128JVS 382TL072 308AP2112K-3.3 300TL074 274ESP32-S3-WROOM-1 258CH340C 241L7805 223Pico 21874HC595 210USBLC6-2P6 199LM358 18674LS04 173AP2112K-3.3TRG1 172ESP32-WROOM-32 165SRV05-4 163Arduino_Nano_v3.x 15674LS245 155LM7805_TO220 15274LS138 151W25Q128JVSIQ 15074LS32 146