Instead of a manual ZIP download, it is highly recommended to use the following URL in File > Preferences : http://arduino.esp8266.com/stable/package_esp8266com_index.json . 2. Download Specific ESP8266 Libraries (ZIP Format) Arduino Forumhttps://forum.arduino.cc
While you can download the source as a esp8266-3.x.x.zip file, note that the Arduino IDE's "Add .ZIP Library" feature is generally not intended for these hardware packages; they usually require manual placement in the hardware folder or installation via the Boards Manager. esp8266 arduino library zip download
To program an ESP8266 in the Arduino IDE, you need the , which includes the necessary compiler and board definitions. Instead of a manual ZIP download, it is