549 open source ESP8266 boards
Espressif's original Wi-Fi microcontroller and its ESP-12 and ESP-01 modules. 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.
ESP8266Clim driver
mylife-home
60 × 40 mm10 parts2LGPL-3.00
ESP8266ESP-12F Breakout
vul-os
25.4 × 25.4 mm4 parts2LApache-2.055
ESP82668FilPilotes
LudovicLemarinel
45 × 40 mm10 parts2LNo license3
ESP8266Jard wemos
bpmine
57 × 42 mm30 parts2LNo license0
ESP8266Enocean switch
M-o-a-T
43.3 × 67.3 mm18 parts2LNo license0
ESP8266Usb
marmbrus
41.4 × 54.6 mm15 parts4LNo license0
ESP8266IM350 AM550 5V multi
greenMikeEU
100 × 100 mm12 parts2LGPL-3.00
ESP8266Fairy lights
60 × 40 mm6 parts2LGPL-3.00
ESP8266IM350 AM550 5V V2.0 Multi
84 × 95 mm12 parts2LGPL-3.00
Browse boards by part
AMS1117-3.3 1847USBLC6-2SC6 1502RP2040 1017W25Q128JVS 654AP2112K-3.3 635ESP32-S3-WROOM-1 488TL072 446L7805 43674HC595 404TL074 404CH340C 392LM358 367Pico 356USBLC6-2P6 351AP2112K-3.3TRG1 345Arduino_Nano_v3.x 317LM7805_TO220 315ProMicro 29774LS04 285ESP32-WROOM-32 285PC817 260SRV05-4 25874LS245 257TP4056 250