esp8266

How to Add ESP32 and ESP8266 Boards to Arduino IDE 2 cover image
How to Add ESP32 and ESP8266 Boards to Arduino IDE 2
Arduino DIY Electronics ESP32
Why ESP32 and ESP8266 are missing from Arduino IDE 2 on day one, how Board Manager URLs and cores work, and a complete install path for Espressif's ESP32 package and the ESP8266 community package, through a first Blink upload.