Arduino用的ESP8266和ESP32开发板的地址

ESP8266

http://arduino.esp8266.com/stable/package_esp8266com_index.json

ESP32 第一个是标准的，第二个是完整的

https://dl.espressif.com/dl/package_esp32_index.json
https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json