物联网云消息队列 MQ 的相关内容

使用Python模拟设备接入阿里云物联网的MQTT服务器

前言由于阿里云物联网套件关于设备认证的文档不够详细，笔者差不多摸索了几天才连接上MQTT。下面是使用Python模拟设备接入阿里云的MQTT。概述阿里云物联网套件提供两种接入方式： MQTT客户端域名直连（资源受限设备推荐）先HTTPS发送授权后再连接MQTT（一些特殊增值服务，比如设备级别...

《用于物联网的Arduino项目开发：实用案例解析》—— 3.3 MQTT

本节书摘来自华章出版社《用于物联网的Arduino项目开发：实用案例解析》一书中的第3章，第3.3节，作者［美］安德尔·杰韦德（Adeel Javed），更多章节内容可以访问云栖社区“华章计算机”公众号查看。 3.3　MQTT MQTT是一个轻量级的机器对机器的协议。它采用的是发布者-订阅者模型，...

RocketMQ 5.0学习资料

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Apache RocketMQ：如何从互联网时代演进到云

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带您快速了解阿里云消息队列RocketMQ 5.0版

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物联网套件第三方接入MQTT

第三方网站中有关于提供MQTT的接口，需要配置MQTT对应的参数，我想把接口接入到设备管理中，给设备发布消息，但是官网上并没有对应的第三方接入MQTT的讲解，我想问下这种方式的可行性，以及填写的参数

阿里云物联网套件MQTT协议接入，连接失败问题

我在linux平台上，修改编译了基于MQTT协议的c版本的SDK，调通了两台设备通过发布订阅一个topic可以相互通信，我现在在windows端安装了一个MQTT协议的客户端mosquitto，根据说明我连接不上。命令如下：订阅命令：mosquitto_sub.exe -t "/1000060141...

物联网套件IoT MQTT 服务器收不到云端通知

采用阿里云的物联网套件IoT，服务器与设备是MQTT协议。授权设备一个有发布权限的topic a，且服务器订阅此topic a，并设置回调地址callback url。当设备通过topic a发布消息到云端，云端会根据设置的url通知服务器。然而有时候服务器收不到云端的通知。当服务器再次订阅topi...

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