2,536 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.
ESP32Onyx-Stepper-Motherboard
CuriousMotor
105.2 × 71.1 mm90 parts2LMIT56
ESP32KbxIRBlaster
kbx81
69.9 × 66.5 mm86 parts2LCC-BY-SA-4.056
ESP32Storm tracker hardware
solderable
36.5 × 69 mm79 parts4LNo license56
ESP32ClimateSprinklerController
217 × 108 mm189 parts2LNo license54
ESP32Ups to esp32
aronreid
36 × 58 mm38 parts2LGPL-3.052
ESP32ESP-EVB
OLIMEX
33 × 48.3 mm123 parts2LApache-2.051
ESP32Endeavour2
petrmikheev
100 × 85 mm263 parts6LGPL-3.049
ESP32Open motorcycle intercom
d3vv3
100 × 50 mm116 parts4LMIT49
ESP32Openeew sensor
openeew
75 × 50 mm101 parts2LApache-2.049
ESP32Wii-Bluetooth-Replacement
JSnowden33
30.8 × 24.4 mm19 parts2LGPL-3.048
ESP32Zerowriter Inkplate 5 Gen2
zerowriter
130.6 × 75.2 mm252 parts2LGPL-3.046
ESP32SmartKnob DevKit Base
SeedLabs-it
81.2 × 81.2 mm222 parts4LApache-2.046
ESP32UNDR
JohnDecebal
75.8 × 92.5 mm31 parts2LGPL-3.046
ESP32DIY-Signal-Generator
daumemo
84.1 × 47.3 mm139 parts2LMIT45
ESP32DevRamCart RevA
Danjovic
100 × 64.7 mm37 parts2LGPL-2.043
ESP32WLED ESP32 Controller
Hasenpups
62.2 × 30.5 mm22 parts2LCC-BY-NC-4.043
ESP32ControlBoard
paradise-fi
76 × 76 mm207 parts4LCC-BY-NC-4.042
ESP32Hardware design
Open-Authenticator
82 × 42 mm56 parts2LMIT42
ESP32Solar esp32
fadushin
25.4 × 25.4 mm30 parts2LBSD-3-Clause42
ESP32ILDAWaveX16
stanleyondrus
52.8 × 55 mm94 parts2LNo license41
ESP32Tiny slime
gorbit99
40 × 40 mm12 parts2LMIT41
ESP32Panel
NandXor96
76 × 72 mm86 parts2LNo license40
ESP32Jig2
OpenEPaperLink
40 × 85 mm22 parts2LNo license40
ESP32Controller
robhaswell
43.3 × 67.5 mm18 parts2LNo license40
ESP32Scoopy node
NiceHatThanks
28 × 28 mm11 parts2LCustom license40
ESP32AnthC
Anthilla
85 × 56 mm203 parts4LNo license39
ESP32Sonatino
luminationlabs
65 × 30 mm117 parts4LCERN-OHL-P-2.039
ESP32Timeleapcam
hnz1102
40 × 50 mm90 parts4LNo license39
ESP32PocketTRS
apuder
87.6 × 83.6 mm48 parts2LNo license39
ESP32Franzininho-WIFI-dev edition
Franzininho
51.1 × 30 mm29 partsNo license39
ESP32LoRa-Gateway-E220
ezcGman
65.4 × 63 mm11 parts2LNo license39
ESP32MRR ESPE
maplerainresearch
102 × 102 mm164 parts2LCERN-OHL-1.238
ESP32Nestronic Game Music Synthesizer
dkonigsberg
127 × 114.3 mm82 parts2LNo license38
ESP32Prismo
nu31hackerspace
55 × 55 mm27 parts2LMIT37- schematic only · 1 partsESP32
Nest audio
rauli2780
1 partsCERN-OHL-S-2.037 
ESP32Elixir hw
golioth
71.5 × 71.5 mm218 parts4LCERN-OHL-P-2.036
Browse boards by part
AMS1117-3.3 899USBLC6-2SC6 763RP2040 566W25Q128JVS 345AP2112K-3.3 273TL072 269TL074 250ESP32-S3-WROOM-1 229CH340C 221L7805 208Pico 19274HC595 185USBLC6-2P6 174LM358 16874LS04 160SRV05-4 158AP2112K-3.3TRG1 154ESP32-WROOM-32 15374LS245 14474LS138 138W25Q128JVSIQ 135Arduino_Nano_v3.x 13474LS00 133TP4056 130