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[{"categories":null,"content":"介绍在树莓派上如何使用MQTT","date":"2023-04-19","objectID":"/mqtt%E7%9A%84%E5%AE%89%E8%A3%85%E4%B8%8E%E4%BD%BF%E7%94%A8/","tags":["物联网"],"title":"MQTT的安装与使用","uri":"/mqtt%E7%9A%84%E5%AE%89%E8%A3%85%E4%B8%8E%E4%BD%BF%E7%94%A8/"},{"categories":null,"content":"本文介绍在树莓派上如何使用MQTT. 本人情况:树莓派4b(armv7,32位,Debian11) ","date":"2023-04-19","objectID":"/mqtt%E7%9A%84%E5%AE%89%E8%A3%85%E4%B8%8E%E4%BD%BF%E7%94%A8/:0:0","tags":["物联网"],"title":"MQTT的安装与使用","uri":"/mqtt%E7%9A%84%E5%AE%89%E8%A3%85%E4%B8%8E%E4%BD%BF%E7%94%A8/"},{"categories":null,"content":"一、安装emqx sudo su apt-get update curl -sSL https://get.docker.com | sh # 安装docker docker pull emqx/emqx:v4.0.0 #通过 Docker Hub (opens new window)获取z` wget -O emqx-docker.zip https://www.emqx.com/en/downloads/broker/v4.0.0/emqx-docker-v4.0.0-alpine3.10-arm32v7.zip #通过 emqx.io下载 Docker 镜像,并手动加载,这边要注意自己的实际情况 unzip emqx-docker.zip docker load \u003c emqx-docker-v4.0.0-alpine3.10-arm32v7 #启动 docker 容器 docker run -d --name emqx -p 1883:1883 -p 8081:8081 -p 8083:8083 -p 8883:8883 -p 8084:8084 -p 18083:18083 emqx/emqx:v4.0.0-alpine3.10-arm32v7 ","date":"2023-04-19","objectID":"/mqtt%E7%9A%84%E5%AE%89%E8%A3%85%E4%B8%8E%E4%BD%BF%E7%94%A8/:1:0","tags":["物联网"],"title":"MQTT的安装与使用","uri":"/mqtt%E7%9A%84%E5%AE%89%E8%A3%85%E4%B8%8E%E4%BD%BF%E7%94%A8/"},{"categories":null,"content":"二、登录EMQ 打开浏览器,输入你的ip:18083 用户名admin 密码public 简单设置下 在这查看订阅情况 ","date":"2023-04-19","objectID":"/mqtt%E7%9A%84%E5%AE%89%E8%A3%85%E4%B8%8E%E4%BD%BF%E7%94%A8/:2:0","tags":["物联网"],"title":"MQTT的安装与使用","uri":"/mqtt%E7%9A%84%E5%AE%89%E8%A3%85%E4%B8%8E%E4%BD%BF%E7%94%A8/"},{"categories":null,"content":"三、下载mqttbox 下载地址:http://workswithweb.com/mqttbox.html 官网打不开的话 链接:https://pan.baidu.com/s/1cKPgbV7OeQisNyNbm-GZYw 提取码:izaw ","date":"2023-04-19","objectID":"/mqtt%E7%9A%84%E5%AE%89%E8%A3%85%E4%B8%8E%E4%BD%BF%E7%94%A8/:3:0","tags":["物联网"],"title":"MQTT的安装与使用","uri":"/mqtt%E7%9A%84%E5%AE%89%E8%A3%85%E4%B8%8E%E4%BD%BF%E7%94%A8/"},{"categories":null,"content":"四、简单使用mqtt 前提:已启动 MQTT 服务器 点击Create MQTT Client 按钮来创建一个 MQTT 客户端; 接下来对 MQTT 客户端进行配置,主要是配置好协议端口、连接用户名密码和 QoS 即可; Client Name:随便填 Protocol:选择 mqtt / tcp Host:MQTT服务器的IP地址和端口 Username和 Password:也是问服务端要 再配置一个订阅者,订阅者订阅 testTopicA 这个主题,我们会向这个主题发送消息; 点击顶部 Connection 按钮进行连接,绿色表示连接上了,红色是连接断开。你也可以添加更多的发布者和订阅者。 发布者向主题中发布消息,订阅者可以实时接收到。 ","date":"2023-04-19","objectID":"/mqtt%E7%9A%84%E5%AE%89%E8%A3%85%E4%B8%8E%E4%BD%BF%E7%94%A8/:4:0","tags":["物联网"],"title":"MQTT的安装与使用","uri":"/mqtt%E7%9A%84%E5%AE%89%E8%A3%85%E4%B8%8E%E4%BD%BF%E7%94%A8/"},{"categories":null,"content":"五、EMQ的启动和结束 因为我们是用docker下载的,所以需要用docker的一些命令启动和停止EMQ docker ps -a #查看所有容器 docker start \u003cCONTAINER ID\u003e docker stop \u003cCONTAINER ID\u003e docker restart \u003cCONTAINER ID\u003e 参考: 1.https://docs.emqx.cn/broker/v4.3/getting-started/install.html#%E9%80%9A%E8%BF%87-docker-%E8%BF%90%E8%A1%8C-%E5%8C%85%E5%90%AB%E7%AE%80%E5%8D%95%E7%9A%84-docker-compose-%E9%9B%86%E7%BE%A4 2.https://www.bilibili.com/video/BV1aV411h7Y2 (https://www.bilibili.com/read/cv8824727?spm_id_from=333.999.0.0) 3.https://blog.csdn.net/zuozewei/article/details/118052978 ","date":"2023-04-19","objectID":"/mqtt%E7%9A%84%E5%AE%89%E8%A3%85%E4%B8%8E%E4%BD%BF%E7%94%A8/:5:0","tags":["物联网"],"title":"MQTT的安装与使用","uri":"/mqtt%E7%9A%84%E5%AE%89%E8%A3%85%E4%B8%8E%E4%BD%BF%E7%94%A8/"},{"categories":null,"content":"利用kaggle上免费的GPU训练模型","date":"2023-04-20","objectID":"/%E5%88%A9%E7%94%A8kaggle%E8%AE%AD%E7%BB%83%E6%A8%A1%E5%9E%8B/","tags":["Kaggle","人工智能"],"title":"利用kaggle训练模型","uri":"/%E5%88%A9%E7%94%A8kaggle%E8%AE%AD%E7%BB%83%E6%A8%A1%E5%9E%8B/"},{"categories":null,"content":"本文介绍如何利用kaggle上免费的GPU资源训练模型. ","date":"2023-04-20","objectID":"/%E5%88%A9%E7%94%A8kaggle%E8%AE%AD%E7%BB%83%E6%A8%A1%E5%9E%8B/:0:0","tags":["Kaggle","人工智能"],"title":"利用kaggle训练模型","uri":"/%E5%88%A9%E7%94%A8kaggle%E8%AE%AD%E7%BB%83%E6%A8%A1%E5%9E%8B/"},{"categories":null,"content":"每周限额 官方提供每周30hGPU、30hTPU GPU TPU ","date":"2023-04-20","objectID":"/%E5%88%A9%E7%94%A8kaggle%E8%AE%AD%E7%BB%83%E6%A8%A1%E5%9E%8B/:1:0","tags":["Kaggle","人工智能"],"title":"利用kaggle训练模型","uri":"/%E5%88%A9%E7%94%A8kaggle%E8%AE%AD%E7%BB%83%E6%A8%A1%E5%9E%8B/"},{"categories":null,"content":"具体步骤 ","date":"2023-04-20","objectID":"/%E5%88%A9%E7%94%A8kaggle%E8%AE%AD%E7%BB%83%E6%A8%A1%E5%9E%8B/:2:0","tags":["Kaggle","人工智能"],"title":"利用kaggle训练模型","uri":"/%E5%88%A9%E7%94%A8kaggle%E8%AE%AD%E7%BB%83%E6%A8%A1%E5%9E%8B/"},{"categories":null,"content":"1.创建notebook 类似于jupyter notebook的写法 点击保存版本,每个版本可在独立保存 添加数据集 ———– ‘/kaggle/input’ 运行结果(输出)——————-’./' 使用语言选择 是否使用加速器(GPU、TPU) 运行(结束)这个notebook 查看在运行的环境 控制台 ==注意输入路径和输出路径== '/kaggle/input' #输入 './' #输出 ","date":"2023-04-20","objectID":"/%E5%88%A9%E7%94%A8kaggle%E8%AE%AD%E7%BB%83%E6%A8%A1%E5%9E%8B/:2:1","tags":["Kaggle","人工智能"],"title":"利用kaggle训练模型","uri":"/%E5%88%A9%E7%94%A8kaggle%E8%AE%AD%E7%BB%83%E6%A8%A1%E5%9E%8B/"},{"categories":null,"content":"2.保存输出 选择Save\u0026Run All 会运行notebook全部代码,保存输出结果 保存输出、选择加速器 ","date":"2023-04-20","objectID":"/%E5%88%A9%E7%94%A8kaggle%E8%AE%AD%E7%BB%83%E6%A8%A1%E5%9E%8B/:2:2","tags":["Kaggle","人工智能"],"title":"利用kaggle训练模型","uri":"/%E5%88%A9%E7%94%A8kaggle%E8%AE%AD%E7%BB%83%E6%A8%A1%E5%9E%8B/"},{"categories":null,"content":"3.下载输出 此版本代码 输入、输出 运行日志 选择版本 ","date":"2023-04-20","objectID":"/%E5%88%A9%E7%94%A8kaggle%E8%AE%AD%E7%BB%83%E6%A8%A1%E5%9E%8B/:2:3","tags":["Kaggle","人工智能"],"title":"利用kaggle训练模型","uri":"/%E5%88%A9%E7%94%A8kaggle%E8%AE%AD%E7%BB%83%E6%A8%A1%E5%9E%8B/"},{"categories":null,"content":"关于我","date":"2023-04-19","objectID":"/about/","tags":null,"title":"关于","uri":"/about/"},{"categories":null,"content":"关于网站 | 个人博客,欢迎交流 ","date":"2023-04-19","objectID":"/about/:1:0","tags":null,"title":"关于","uri":"/about/"},{"categories":null,"content":"关于作者 💻 南京一CS大学牲 🤪 强迫症与拖延症患者 ❤️ 爱好电影,音乐 ","date":"2023-04-19","objectID":"/about/:2:0","tags":null,"title":"关于","uri":"/about/"}]