ESP8266 code
This works with the follwing board URL: https://github.com/esp8266/Arduino/releases/download/2.4.2/package_esp8266com_index.json
ESP8266 code
This works with the follwing board URL: https://github.com/esp8266/Arduino/releases/download/2.4.2/package_esp8266com_index.json