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.
ESP32Parsnip
LimesKey
60 × 130 mm400 parts4LCC-BY-NC-4.04
ESP32PETER
dennowiggle
180 × 110 mm371 parts4LLGPL-2.14
ESP32Open race v2
teehee567
90.5 × 49.5 mm329 parts8LNo license4
ESP32SensactHs
klaus-liebler
100 × 86.5 mm317 parts2LApache-2.04
ESP32Soldered Inkplate 6 MOTION
SolderedElectronics
144.4 × 107.8 mm313 parts2LTAPR-OHL-1.04
ESP32ClockIOT
wyolum
162.6 × 194.3 mm282 parts2LMIT4
ESP32Soldered Inkplate 5 Gen2
130.6 × 75.2 mm258 parts2LTAPR-OHL-1.04
ESP32TI99 22
danwerner21
244 × 244 mm257 parts4LNo license4
ESP32PCB-3-Phase-Energy-Monitor
MbFredys
62.2 × 140 mm197 parts4LCERN-OHL-W-2.04
ESP32ESP32indEVB
gmarocco
99.2 × 94.2 mm194 parts4LNo license4
ESP32Sovereign Bunny Stack
Citrullin
87 × 88.9 mm169 parts4LNo license4
ESP32KaSe
mornepousse
296.8 × 145 mm155 parts2LNo license4
ESP32WifiWallSwitch
Uspizig
65.4 × 68 mm141 parts2LGPL-3.04
ESP32Enviro node
DPIclimate
106.7 × 156.6 mm133 parts2LMIT4
ESP32Hand main
SonDinh23
70 × 45 mm105 parts4LGPL-3.04
ESP32Esp32-emu turbo
pjcau
160 × 75 mm102 parts4LNo license4
ESP32Main Board
omniframe-art
100 × 62.5 mm100 parts4LNo license4
ESP32BugWiper2.0 Controller
M-Scholli
110 × 40 mm95 parts4LApache-2.04
ESP32WeatherV3-kernelcon2026
ZonkSec
66 × 143.3 mm82 parts2LNo license4
ESP32Osciloscope-ESP32
cristobalcuevas
137.5 × 42.5 mm79 parts2LNo license4
ESP32LIONv3-R
RodrigoCAndrade
50.2 × 85.2 mm79 parts4LNo license4
ESP32UWB Fly Drone
DynamicWhiteHat
40 × 61 mm75 parts2LNo license4
ESP32Iot badge legacy
galopago
70 × 100 mm75 parts2LNo license4
ESP3212V-SmartSwitch
vintlabs
73 × 50 mm74 parts2LNo license4
ESP32Extraice
elkel53930
40 × 57 mm72 parts2LMIT4
ESP32Uamsense
GNB-UAM
69.7 × 95.9 mm72 parts2LGPL-3.04
ESP32Tanklevel
Th3Link
70 × 60 mm68 parts4LCERN-OHL-S-2.04
ESP32MyBikesGotLED
mcqn
45.2 × 87.1 mm65 parts2LCERN-OHL-S-2.04
ESP32SCARA-Robot-Based on-ESP32-C6
jobitjoseph
91.6 × 65 mm63 parts2LNo license4
ESP32Esp32-c6-environmental logger
pushtiujeniya
75 × 56.4 mm59 parts4LNo license4
ESP32FabRice
dev-campusfab
70 × 43.5 mm52 parts2LMIT4
ESP32Tiny2048
thip
50 × 50 mm51 parts2LCC-BY-NC-4.04
ESP32ESP32-C3-DevKit-RUST-1
xutianq999
22.9 × 63.5 mm48 parts2LCERN-OHL-P-2.04
ESP32Autonomous mower
zohebzma2-cmyk
120 × 100 mm46 parts2LMIT4
ESP32Kicad duct turbo fan controller
scattym
42.7 × 48.8 mm46 parts2LGPL-3.04
ESP32Wakepcbox
hnz1102
40 × 60 mm45 parts2LNo license4
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