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.
ESP32Wulpus pro max
Sergio5714
39 × 21 mm44 parts4LNo license4
ESP32Super Mini Mega Tester
GadgetReboot
100 × 99.7 mm44 parts2LGPL-3.04
ESP3212 class notes
bob4o-afk
49.6 × 49.6 mm43 parts2LNo license4
ESP32BallValveController
hansrune
55.6 × 43.2 mm43 parts2LCustom license4
ESP32ESP-Solar OpenDTU
plewka
76 × 72.4 mm43 parts2LGPL-3.04
ESP32OpenTimeWatch-1
OpenTimeWatch-Project
35 × 44 mm41 parts2LMIT4
ESP32T1000-canary
andrewchilds
72 × 72 mm39 parts4LMIT4
ESP32ESP32-Sensing-Device
turgu1
29.9 × 28.6 mm38 parts2LMIT4
ESP32USlime
ReSummit
25 × 22.6 mm37 parts2LGPL-3.04
ESP32BluetoothPedal Main
skngh
52 × 59 mm36 parts2LMIT4
ESP32Bench psu monitor
fixthepixel
110 × 80 mm35 parts2LCustom license4
ESP32Gate controller
weswitt
108 × 83 mm33 parts2LNo license4
ESP32Data manager
LibreSolar
74 × 38 mm32 parts2LCC-BY-SA-4.04
ESP32Wemos c3mini clone
sergiomd4
25.4 × 34.2 mm29 parts2LCC0-1.04
ESP32ESP32MiniDrop
stasiselectronics
74 × 54 mm25 parts2LCERN-OHL-S-2.04
ESP32Rust matter led
arlyon
27.2 × 96.2 mm24 parts2LNo license4
ESP32Can bus
satspares
48 × 42 mm20 parts2LMIT4
ESP32The-SaxplayerTM
tenorangesax
116.8 × 53.9 mm19 parts2LNo license4
ESP32NexaSeis
Domiko7
56 × 56.5 mm19 parts2LAGPL-3.04
ESP32Board
dshills
120 × 80 mm17 parts2LMIT4
ESP32Baby tracker suite
aamat09
80 × 100 mm17 parts2LMIT4
ESP32Kits
Poluino
90.2 × 53.3 mm15 parts2LTAPR-OHL-1.04
ESP32Flopper one
JBlitzar
76.8 × 63 mm14 parts2LGPL-3.04
ESP32Penguin Paddle
Waddle-Penguin
64.2 × 68.9 mm13 parts2LNo license4
ESP32Robocup-2025
La-Quiche-Industrielle
173.5 × 150.4 mm12 parts2LMPL-2.04
ESP32ESP32Pet
dishishshawn
82.3 × 79 mm11 parts2LNo license4
ESP32Omi-Glass-DevKit
LyndLabs
25.5 × 19.5 mm7 parts2LNo license4- schematic only · 2 partsESP32
Architon cli
badimirzai
2 partsAGPL-3.04 
ESP32Launch-Party-Badge-Software
poorawsanhsirk
178 × 110 mm404 parts4LNo license3
ESP32Helsinki live train map
HekiNav
249 × 71.5 mm398 parts2LMIT3
ESP32Starman
adamm
182 × 150 mm241 parts4LCustom license3
ESP32ESP32-S3-MegaMultiFunction
RobertPHeller
165.1 × 132.1 mm238 parts2LCC-BY-4.03
ESP32Autonomous-Garden-Rover
houseofthe051010
108 × 168 mm217 parts4LMIT3
ESP32Mainboard
Synthron
160 × 100 mm206 parts4LNo license3
ESP32PTR mega hardware
PTR-projects
31 × 100 mm203 parts4LMIT3
ESP32Turpial hardware
btcven
140 × 47 mm177 parts4LCERN-OHL-W-2.03
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