https://github.com/espressif/arduino-esp32
加入网址
http://arduino.esp8266.com/stable/package_esp8266com_index.json
https://dl.espressif.com/dl/package_esp32_index.json
https://github.com/espressif/arduino-esp32
加入网址
http://arduino.esp8266.com/stable/package_esp8266com_index.json
https://dl.espressif.com/dl/package_esp32_index.json