esp8266 mqtt at
时间: 2023-09-22 12:12:29 浏览: 66
ESP8266是一种Wi-Fi模块,可以通过AT命令进行控制和配置。以下是一些常用的AT命令用法:
- 设置ESP8266的工作模式:AT CWMODE=1
- 连接Wi-Fi网络:AT CWJAP="wifi","password"
- 配置MQTT服务器信息:AT MQTTCFG=0,1,"id","user","password",0,0,""
- 连接MQTT服务器:AT MQTTCONN=0,"IP",1883,0
- 订阅主题:AT MQTTSUB=0,"test",1
- 发送消息:AT MQTTPUB=0,"test","1",0,0
举例来说,如果要发布一个名为"/a1B70cUJHWr/XYX-1/user/TempHumPost"的主题,并发送消息"resply must can",可以使用如下命令:AT MQTTPUB=0,"/a1B70cUJHWr/XYX-1/user/TempHumPost","resply must can",1,0
另外,如果需要连接到Wi-Fi网络,可以使用以下命令:AT CWMODE=3 AT CWJAP="SSID","Password" [3<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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