ESP8266用AT指令在连接阿里云时返回 +MQTTDISCONNECTED:0 ERROR
救救萌新吧
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可能是那个PASSWORD的原因，我之前生成PASSWORD的时候DEVICE SECRET那一栏填成MQTT连接参数里面的PASSWORD了，后面改成填DEVICE SECRET就可以了
2023-12-01 10:04:57赞同 展开评论 打赏 -
我在连接阿里云注册三元组的时候，连接失败 [2023-03-07_16:49:15:183]AT+CWMODE=1
[2023-03-07_16:49:15:183]OK [2023-03-07_16:49:20:856]AT+CWJAP="iotccn-office2","12345678" [2023-03-07_16:49:20:856]WIFI DISCONNECT [2023-03-07_16:49:21:233]WIFI CONNECTED [2023-03-07_16:49:21:959]WIFI GOT IP
[2023-03-07_16:49:21:959]OK [2023-03-07_16:49:23:757]AT+CIPSNTPCFG=1,8,"ntp1.aliyun.com"
[2023-03-07_16:49:23:757]OK [2023-03-07_16:49:26:291]AT+MQTTUSERCFG=0,2,"","","",0,0,""
[2023-03-07_16:49:26:291]OK [2023-03-07_16:49:34:438]AT+CIPSTAMAC? [2023-03-07_16:49:34:438]+CIPSTAMAC:"30:83:98:8c:7f:1c"
[2023-03-07_16:49:34:438]OK [2023-03-07_16:50:25:260]AT+MQTTUSERNAME=0,"3083988c7f1c&a1gh70UicfD"
[2023-03-07_16:50:25:260]OK [2023-03-07_16:52:44:573]AT+MQTTPASSWORD=0,"ee35fb864b2bc07b8132d21a1e87e8bf"
[2023-03-07_16:52:44:573]OK
[2023-03-07_16:54:50:778]AT+MQTTCLIENTID=0,"3083988c7f1c|securemode=2,authType=register,random=12345,signmethod=hmacmd5|"
[2023-03-07_16:54:50:778]OK [2023-03-07_16:55:08:152]AT+MQTTCONN=0,"a1gh70UicfD.iot-as-mqtt.cn-shanghai.aliyuncs.com",1883,1 [2023-03-07_16:55:11:780]+MQTTDISCONNECTED:0 [2023-03-07_16:55:16:796] [2023-03-07_16:55:16:796]ERROR
2023-03-07 18:04:45赞同 展开评论 打赏 -
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配置MQTT客户端ID时，加入timestamp会导致mqtt密码错误，取消即可。 如：AT+MQTTCLIENTID=0,"a1VcbE8fN18.esp01s|securemode=2,signmethod=hmacsha256|"
2022-05-28 08:27:17赞同 展开评论 打赏 -
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