1,002 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.
ESP32PowerMonitorMK3
MAWoodMain
125 × 41 mm86 parts2LNo license5
ESP32SUMEC MK IV
bismarx-v1
80 × 45 mm84 parts4LNo license5
ESP32Esp32-faerfly-V2.0
low-poly-studio
85.1 × 53.3 mm83 parts4LNo license5
ESP32Esp
0Zane
100 × 80 mm82 parts2LMIT5
ESP32Electricload
hnz1102
185 × 98 mm71 parts2LNo license5
ESP32Ftdi development boards
leonardoward
104 × 81 mm55 parts2LApache-2.05
ESP32Temp logger
50 × 70 mm52 parts2LNo license5
ESP32Esp32-fan controller
merlindorin
85 × 155 mm38 parts2LMIT5
ESP32PCB-LEDs-Controller
MbFredys
134.4 × 106.7 mm36 parts2LCERN-OHL-W-2.05
ESP32GimbalFOC
avaninder
47 × 47 mm28 parts4LNo license5
ESP32Esprit
r4d10n
38.1 × 52.1 mm25 parts4LNo license5
ESP32Tamagotchi
TaniWanKenobi
56.8 × 66.3 mm7 parts2LNo license5- schematic only · 27 partsESP32
Hub75 controller final
neusse
27 parts2LAGPL-3.05 
ESP32ESP32 battery management module
KomplexKapharnaum
173.5 × 192.5 mm828 parts4LMIT4
ESP32PETER
dennowiggle
180 × 110 mm371 parts4LLGPL-2.14
ESP32SensactHs
klaus-liebler
100 × 86.5 mm317 parts2LApache-2.04
ESP32Soldered Inkplate 6 MOTION
SolderedElectronics
144.4 × 107.8 mm313 parts2LTAPR-OHL-1.04
ESP32Soldered Inkplate 5 Gen2
130.6 × 75.2 mm258 parts2LTAPR-OHL-1.04
ESP32TI99 22
danwerner21
244 × 244 mm257 parts4LNo license4
ESP32KaSe
mornepousse
296.8 × 145 mm155 parts2LNo license4
ESP32Esp32-emu turbo
pjcau
160 × 75 mm102 parts4LNo license4
ESP32WeatherV3-kernelcon2026
ZonkSec
66 × 143.3 mm82 parts2LNo license4
ESP32UWB Fly Drone
DynamicWhiteHat
40 × 61 mm75 parts2LNo license4
ESP32Autonomous mower
zohebzma2-cmyk
120 × 100 mm46 parts2LMIT4
ESP32Wulpus pro max
Sergio5714
39 × 21 mm44 parts4LNo license4
ESP32USlime
ReSummit
25 × 22.6 mm37 parts2LGPL-3.04
ESP32BluetoothPedal Main
skngh
52 × 59 mm36 parts2LMIT4
ESP32Gate controller
weswitt
108 × 83 mm33 parts2LNo license4
ESP32Wemos c3mini clone
sergiomd4
25.4 × 34.2 mm29 parts2LCC0-1.04
ESP32ESP32MiniDrop
stasiselectronics
74 × 54 mm25 parts2LCERN-OHL-S-2.04
ESP32Board
dshills
120 × 80 mm17 parts2LMIT4
ESP32Baby tracker suite
aamat09
80 × 100 mm17 parts2LMIT4
ESP32Flopper one
JBlitzar
76.8 × 63 mm14 parts2LGPL-3.04
ESP32Penguin Paddle
Waddle-Penguin
64.2 × 68.9 mm13 parts2LNo license4
ESP32Omi-Glass-DevKit
LyndLabs
25.5 × 19.5 mm7 parts2LNo license4- schematic only · 2 partsESP32
Architon cli
badimirzai
2 partsAGPL-3.04
Browse boards by part
AMS1117-3.3 345USBLC6-2SC6 296RP2040 224W25Q128JVS 135TL072 118CH340C 116AP2112K-3.3 103ESP32-S3-WROOM-1 97TL074 94AP2112K-3.3TRG1 82SRV05-4 73W25Q128JVSIQ 73USBLC6-2P6 70Pico 52L7805 50XC6206P332MR 50MCP73831T-2ACI/OT 49SN65HVD230 49AMS1117-5.0 48ESP32-S3-WROOM-1-N16R8 48LM393 44BME280 43DW01A 43LAN8710A-EZC(QFN32) 43