2,825 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.
ESP32SmallKat-Motherboard
OperationSmallKat
100 × 56 mm123 parts2LNo license2
ESP32VCAT-VehicleControlUnit
lhr-solar
86.6 × 71.8 mm122 parts2LMIT2
ESP32Kompic Mk1b
porupski
44.5 × 50.6 mm121 parts4LGPL-3.02
ESP32ESP32-S3 Cellular GNSS Tracker
meerzafarnoohani
45.3 × 119.6 mm118 parts2LMIT2
ESP32NTerm2-S-FT231
RetepV
147.3 × 55.9 mm117 parts2LNo license2
ESP32ESP32 Breakouts Playground
PockyBum522
203.1 × 108.1 mm116 parts2LMIT2
ESP32BitshokaNini V1.1
kuenrg153
56.5 × 99.8 mm115 parts4LGPL-3.02
ESP32MinRead
Monacrylic
64.5 × 120.5 mm114 parts2LNo license2
ESP32Before maze
ekremturanfirat
100 × 90 mm109 parts4LCERN-OHL-S-2.02
ESP32Before maze
100 × 90 mm109 parts4LCERN-OHL-S-2.02
ESP32Main board
elkel53930
84 × 114 mm104 parts2LMIT2
ESP32AstraControl
LiveLeds
102 × 96 mm103 parts4LNo license2
ESP32KINK-box
FunDeckHermit
100 × 60 mm103 parts2LApache-2.02
ESP32Kami hardware
Nicolai-Electronics
95 × 86 mm100 parts4LCERN-OHL-P-2.02
ESP32ThermovitalSync
emiirkaya
60 × 70 mm96 parts4LMIT2
ESP32RoboticArm
SensaGroup
163.4 × 100.6 mm95 parts2LMIT2
ESP32Hexagonal ceiling spot
slimcdk
131.7 × 114.4 mm94 parts2LNo license2
ESP32Main board
70 × 75.9 mm94 parts2LNo license2
ESP32Eja m
leonardoward
51.2 × 97.5 mm91 parts4LApache-2.02
ESP323d printer
Angelo13C
102 × 102 mm91 parts4LNo license2
ESP32Moskill
telagod
30 × 100 mm90 parts2LNo license2
ESP32Genesis Board
iffycodes
165.8 × 119.2 mm89 parts2LNo license2
ESP32PCB Watersysteem
Vertical-Farming-IB3
89.3 × 100 mm88 parts2LNo license2
ESP32E9X-CAN-BT
Christian-Ristevski
74.8 × 49.8 mm88 parts2LNo license2
ESP32Kv4p HT
ceilingduster
86.4 × 50.2 mm87 parts4LGPL-3.02
ESP32Nitrokey lora hardware
Nitrokey
40 × 17.6 mm87 parts4LNo license2
ESP32ESP32 E-Reader
IS7V4N
62.5 × 96.2 mm85 parts4LNo license2
ESP32Rc car
alaotach
129 × 79.8 mm85 parts4LNo license2
ESP32Bramble
justinlindh
96 × 50 mm84 parts2LMIT2
ESP32LEDDs
VasilKalchev
95 × 46 mm84 parts2LMIT2
ESP32Solana badge
spacemandev-git
77.6 × 116.3 mm81 parts2LNo license2
ESP32Esp32-iot-4layer
ODARI-CHARLES1
88.2 × 56.4 mm79 parts4LNo license2
ESP32Core System 2026
MarsRoverUdeGSpace
78 × 53 mm78 parts4LMIT2
ESP32Main board esp32
MrRooby
164.3 × 145 mm77 parts2LNo license2
ESP32Led controller wrover32
aaronw2
36 × 43 mm76 parts4LMIT2
ESP32Moles integ dtu hw
the78mole
87 × 68 mm76 parts2LTAPR-OHL-1.02
Browse boards by part
AMS1117-3.3 1069USBLC6-2SC6 866RP2040 632W25Q128JVS 394TL072 319AP2112K-3.3 313TL074 281ESP32-S3-WROOM-1 268CH340C 249L7805 229Pico 22174HC595 218USBLC6-2P6 206LM358 20074LS04 180AP2112K-3.3TRG1 179ESP32-WROOM-32 169LM7805_TO220 167SRV05-4 165Arduino_Nano_v3.x 16474LS245 160W25Q128JVSIQ 15774LS138 15574LS32 152