https://github.com/knolleary/pubsubclient，使用例子mqtt_esp8266，修改了一些参数连接阿里云物联网平台，代码如下：/*Basic ESP8266 MQTT example This sketch demonstrates the capabilities of the pubsub library in combination ...
The user does not have the RAM role of%s.|{"cnDescription":"目标实例所属阿里云账号（主账号）的RAM角色未被授权。请先在源库所属阿里云账号中，为目标实例所属阿里云账号（主账号）配置RAM授权。enDescription":"The RAM role ...
{"cnDescription":"顶级域名绑定仅限阿里云备案用户专享，非阿里云备案接入请绑定二级以上域名或接入,"enDescription":"Only users registered with Alibaba Cloud may bind top-level domain names.Other users may bind second level ...
1.电路连接没有问题，连接玩场景基本和大神一样 2.build和run都是成功的 3.最后一步点击com3查看结果的时候，就是一个劲的如下报错...Cannot initialize ESP module[WiFiEsp]>>>TIMEOUT>>>[WiFiEsp]No tag found WiFi shield not present,stop
