3,461 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.
ESP32ESP32S3
Videocraft10
17.8 × 21.1 mm71 parts2LMIT2
ESP32SchrackCounter
bismarx-v1
98.5 × 88.5 mm69 parts4LNo license2
ESP32Fan control
MTalon63
50 × 50 mm56 parts6LCustom license2
ESP32Water meter 2 layer
YDrip
106.2 × 41 mm40 parts2LCERN-OHL-W-2.02
ESP32Oledsndio
mekatronik-achmadi
87.7 × 49.2 mm33 parts2LNo license2
ESP32Esp32-c3-board
ieb
94.9 × 40.6 mm28 parts2LNo license2
ESP32HearingAid RightV3
AveryLion03
18.3 × 16.1 mm19 parts2LNo license2
ESP32Sensors
lukokemba2
90 × 90 mm9 parts2LNo license2
ESP32Basic rgb
FromDarkHell
49.5 × 37.3 mm7 parts2LNo license2
ESP32OBC v1
Migsster
85 × 85 mm6 parts2LNo license2- schematic only · 17 partsESP32
Emb ZoneAlarm
ADolbyB
17 parts2LNo license2 
ESP32PCB V2.2 PreAutoRoute DimChange
Jonathan-0101
80 × 161 mm286 parts4LGPL-3.01
ESP32Soldered Inkplate 6FLICK Gen2
SolderedElectronics
144.4 × 107.8 mm247 parts2LTAPR-OHL-1.01
ESP32Badge
glovepost
59.3 × 39 mm245 parts4LMIT1
ESP32OpenAIO
tetraethylmethane
35 × 35 mm244 parts8LNo license1
ESP32Pole
Tomoshibi-technology
100 × 70 mm181 parts2LMIT1
ESP32Aqp moda KBD
aquarius-plus
141 × 89.5 mm181 parts2LMIT1
ESP32Wall mounted room temperature sensor
RomLab
107 × 90 mm153 parts2LNo license1
ESP32Main 2026 V1
Gamu2124
156.7 × 149.9 mm127 parts2LNo license1
ESP32Drawer Controller v4
Robast-GmbH
118 × 47 mm126 parts4LMIT1
ESP32TrackerOld
wasa-rockoon
60 × 60 mm122 parts2LMIT1
ESP32Kuhglocke GS
Queens-Rocket-Engineering-Team
65 × 70 mm115 parts2LNo license1
ESP32ESP32-PoE Rev B1
frankshieh
28 × 75 mm110 parts2LApache-2.01
ESP32ESP32-WROOM-32E + CC1101 Multiband
bdini13
90 × 36 mm105 parts4LCustom license1
ESP32Iprld
ICRS
100 × 100 mm88 parts2LNo license1
ESP32NoU3-Lite
AlfredoSystems
46 × 46 mm87 parts4LNo license1
ESP32ESP32 4 layers
Chirag-Vadrali
88.7 × 55.6 mm85 parts4LNo license1
ESP32Lux et pcb-V2
machadoleonardo94
80 × 54 mm83 parts2LNo license1
ESP32Phase3-manager
udaravima
100 × 80 mm80 parts2LGPL-3.01
ESP32Артёмитер
icl-rocketry
54.5 × 18 mm79 parts4LNo license1
ESP32Daisy Board Out
williamthayer
29.8 × 46.2 mm78 parts2LNo license1
ESP32ErisV1
HomeOnDuna
50 × 50 mm74 parts4LNo license1
ESP32ESP32S3
feastorg
17.8 × 21.1 mm71 parts2LCC0-1.01
ESP32ESP32S3
sinismylastname
17.8 × 21.1 mm71 parts2LNo license1
ESP32Final
c3n3
100 × 100 mm61 parts2LNo license1
ESP32Robot aio esp32 manuel solder 8 layer updated with 3.3 lineer
manyetox
50 × 46.2 mm54 parts8LCC-BY-NC-4.01
Browse boards by part
AMS1117-3.3 1287USBLC6-2SC6 1056RP2040 725W25Q128JVS 444AP2112K-3.3 408TL072 347ESP32-S3-WROOM-1 324TL074 308CH340C 290L7805 29074HC595 267USBLC6-2P6 260Pico 258LM358 237AP2112K-3.3TRG1 22474LS04 207ESP32-WROOM-32 203Arduino_Nano_v3.x 202LM7805_TO220 20174LS245 18474LS138 176SRV05-4 17674LS08 17574LS32 175