2,740 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.
ESP32Paperflux
albanpetit
33.5 × 50 mm43 parts4LNo license10
ESP32Luftctl
ansemjo
56.6 × 25 mm40 parts2LNo license10
ESP32Mini current meter
hnz1102
30 × 43 mm38 parts2LNo license10
ESP32ESP32-Zip
vintlabs
65 × 30 mm37 parts4LGPL-3.010
ESP32Esp32-ethernet
russss
54 × 40 mm36 parts2LNo license10
ESP32PS4-USB-HEN-ESP32
TomasFilipCZ
54 × 41 mm35 parts2LBSD-3-Clause10
ESP32ESP32Focuser hardware
simonachmueller
85.5 × 77.5 mm11 parts2LGPL-3.010
ESP32BitPirate Main
Lab217MX
57 × 64 mm8 parts2LMIT10
ESP32Tanmatsu hardware
Nicolai-Electronics
114.9 × 129.9 mm320 parts4LCERN-OHL-P-2.09
ESP32Hex master motor control circuit
csiz
64 × 86 mm236 parts4LMIT9
ESP32KRAKE
PubInv
137.2 × 83.8 mm195 parts2LAGPL-3.09
ESP32ESP32Matrix4mining
ccadic
180.3 × 94 mm149 parts2LNo license9
ESP32ONLY ECG fix
tregatti-tech
55.9 × 121.3 mm147 parts2LNo license9
ESP32OpenHardwareHolterMonitor
OpenElectronicsLab
131 × 80 mm145 parts1LGPL-3.09
ESP32ZX21
fordp2002
142 × 100 mm125 parts2LBSD-3-Clause9
ESP32Firestarter
hstarmans
88.4 × 63.6 mm120 parts4LCC-BY-NC-4.09
ESP32Paperd ink rev4
paperdink
92.1 × 78.1 mm89 parts2LCC-BY-SA-4.09
ESP32Zeen-AI-Plug
ampnics
105 × 58 mm71 parts2LNo license9
ESP32Iot leddriver hw
0xjmux
57 × 56 mm58 parts4LNo license9
ESP32ESP32 Plotter Controller revB1
MarkJB
99.1 × 55.4 mm57 parts2LMIT9
ESP32ESP32N1
whitecatboard
78 × 26 mm53 parts4LNo license9
ESP32WaterRowerLinkPlus
nickbits1024
55 × 95 mm47 parts2LMIT9
ESP32ESP32Marauder
yyewolf
78.5 × 20.1 mm45 parts2LMIT9- schematic only · 56 partsESP32
KiCad-PCB-design workshop
LEDs-by-glowingkitty
56 partsGPL-3.09 
ESP32Batch 1
CDFER
93 × 173 mm384 parts2LCustom license8
ESP32RadioNoob
EIectron
141.8 × 151.4 mm181 parts2LNo license8
ESP32Hardware
vivian-ng
99.5 × 99.5 mm128 parts2LNo license8
ESP32ILI9341 ESP32 GBC
theBrutzler
70 × 122.3 mm111 parts2LNo license8
ESP32LAN-Module-PoE-Castellated
jorticus
25.3 × 61 mm101 parts2LCERN-OHL-S-2.08
ESP32Crazyflie control board
sPyOpenSource
40.1 × 38.1 mm92 parts4LMIT8
ESP32Neosword
wrickert
217.1 × 77.1 mm70 parts2LNo license8
ESP32Mesh hand
sneakylizard123-4
50 × 75 mm67 parts4LNo license8
ESP32Bird3
ysoyjcgoxohxoh
43 × 108 mm61 parts2LMIT8
ESP32ProtogenControllerV1
coelacant1
65 × 52 mm59 parts4LGPL-3.08
ESP32ESP32S3 M.2 Board
ItsNotDaan
23 × 42 mm54 parts4LCERN-OHL-P-2.08
ESP32Wizard flute
gregdavill
40.1 × 12.7 mm49 parts4LNo license8
Browse boards by part
AMS1117-3.3 1034USBLC6-2SC6 836RP2040 609W25Q128JVS 388TL072 309AP2112K-3.3 308TL074 274ESP32-S3-WROOM-1 266CH340C 242L7805 224Pico 21874HC595 213USBLC6-2P6 200LM358 19074LS04 175AP2112K-3.3TRG1 173ESP32-WROOM-32 167SRV05-4 165Arduino_Nano_v3.x 15974LS245 156LM7805_TO220 15574LS138 152W25Q128JVSIQ 15174LS32 148