Installing ESP8266 core for Arduino IDE with Boards Manager

 

Starting with 1.6.4, Arduino allows installation of third-party platform packages using Boards Manager. There are packages available for Windows, Mac OS, and Linux (32 and 64 bit).

 

  1. Install the current upstream Arduino IDE at the 1.8 level or later. The current version is at the Arduino website.

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  2. Open the preferences window from the Arduino IDE. Go to File > Preferences.

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  3. Enter http://arduino.esp8266.com/stable/package_esp8266com_index.json into Additional Board Manager URLs field. You can add multiple URLs, separating them with commas.
     

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  4. Open Boards Manager from Tools > Board menu.
     

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  5. Search for ESP8266 and install the newest version of the platform.
     

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  6. Select your ESP8266 board from Tools > Board > NodeMCU 1.0 (ESP-12E Module)
     

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  7. Test your ESP8266 by following the instructions here.

 

Documentation: https://arduino-esp8266.readthedocs.io/en/2.4.1/