AT+MQTTSUB=0,"订阅的主题名",0 //订阅对应的主题 串口助手下AT 指令测试 若连接mqtt服务器返回ERROR 先调用MQTT+CLEAN=0清除MQTT的连接信息。再重新连接。 关于AT 指令与MQTT服务器断开后自动重连MQTT服务器 AT+MQTTCONN=0,"192.168.1.13",1883,0(以连接本地为例,0改成1即可,经过测试,手动断开服务器连接...
在上一步骤中打开的MQTT连接参数中,复制clientId 输入AT+MQTTCLIENTID=0,"65de9e267bdccc0126c4927a_0001_0_0_2024030912" 4.5 设置MQTT接入地址 接入地址可参考接入信息 输入AT+MQTTCONN=0,"61c3e6746e.iot-mqtts.cn-north-4.myhuaweicloud.com",1883,1 4.6 设置订阅主题 格式:AT+MQTTSUB=0,"订阅主题...
AT+MQTTUSERCFG=0,1,"6H55XGVIWXdev001","6H55XGVIWXdev001;21010406;cCrBd;9223372036854775807","b007455a219557822dff54623830733363e49dce;hmacsha1",0,0,"" AT+MQTTCONN=0,"6H55XGVIWX.iotcloud.tencentdevices.com",1883,1 AT+MQTTSUB=0,"6H55XGVIWX/dev001/control",1 AT+MQTTPUB=0,"6H55X...
staticintesp8266_mqtt_at_init(void){rt_uint8_tretry_num=3;at_response_tresp = RT_NULL;intresult=-RT_ERROR;inti=0;at_client_tclient=RT_NULL;structat_device*device=RT_NULL; device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV,'esp0');if(device == RT_NULL){rt_kprintf('no ...
npm install mqtt -g Then, on one terminal mqtt sub -t 'hello' -h 'test.mosquitto.org' -v On another mqtt pub -t 'hello' -h 'test.mosquitto.org' -m 'from MQTT.js' See mqtt help <command> for the command help. ## API mqtt.connect() mqtt.Client() mqtt.Client#publish() ...
C#: Failed to subscribe to MQTT server C#: how to detect window application is running and not launch the same application again? C#: How to read values in Excel Cells as strings? C#: How to retrieve data value of Cell of dataGridView and displayit in the button? [MODIFIED QUESTION LAYO...
827455031 47.95.190.49 2019/7/18 11:50:24 版权所有,未经高新兴物联许可,不能传播 8 阿里_MQTT_补充 AT 命令 ME3630 6.TOPIC 订阅消息,本次设置订阅 data 消息,Qos 等级为 0 AT+CLOUDSUB=/tE5jVn6MWfi/l1mKM0 xGE6ia1KifkKaS/data,0 +CLOUDSUBACK: OK 此时可通过阿里云平台给 data topic 主题...
In a real project several applications subscribe (nearly at the same time because they are started in parallel) to the same MQTT topic (with wildcard). The topic contains about 500 retained messages (each in an own sub topic level) which all applications are expected to rec...
C#: Failed to subscribe to MQTT server C#: how to detect window application is running and not launch the same application again? C#: How to read values in Excel Cells as strings? C#: How to retrieve data value of Cell of dataGridView and displayit in the button? [MODIFIED QUESTION...
3.15 设备错误:AT+CMEE29 3.16 错误码描述:+CME ERROR:ERR30 4 / 34 设备 串口控制命令 4.1 手机活动状态:AT+CPAS34 4.2 模块功能模式:AT+CFUN35 4.3 关机:AT+CPOWD36 4.4 输入PIN码:AT+CPIN36 4.5 设备锁定:AT+CLCK37 4.6 修改密码:AT+CPWD38 4.7 网络灯闪烁的时间间隔:AT+SLEDS39 4.8 设置TE-...