ESP8266 4-Channel Relay Module Home Automation Project - Hackster.io
NODEMCU ESP8266-12E Resources - EasyEDA
Making ESP8266 PCB Prototypes - YouTube
My first PCB desing - ESP-01 super low power temp and humidity : r/esp8266
Esp8266(Node mcu) FM v1.5 - EasyEDA open source hardware lab
Thiago Ogleari on Twitter: "My homemade Esp32 Expansion Board. For my home automation. First Version.😃 #esp32 #iot #easyeda #maker #prototype https://t.co/25qENrf8h8" / Twitter