安装开发板
在arduino环境下安装esp32开发板
先复制下面这个链接
https://dl.espressif.com/dl/package_esp32_index.json
https://git.oschina.net/dfrobot/FireBeetle-ESP32/raw/master/package_esp32_index.json
新的起点
先复制下面这个链接
https://dl.espressif.com/dl/package_esp32_index.json
https://git.oschina.net/dfrobot/FireBeetle-ESP32/raw/master/package_esp32_index.json