# MQTT介紹 ###### tags: `自主學習` - [MQTT介紹](https://www.youtube.com/watch?v=z4r4hIZcp40) - [認識MQTT](https://oranwind.org/-broker-ren-shi-mqtt/) ## MQTT可以做甚麼  :::info 用戶端發送需求給伺服器,伺服器回答用戶端的需求而將data送傳給前端,而http作為傳送的媒介 ::: - http方法為POST、GET.. ## public/subscribe - public 訊息發布者 - subscribe 訊息接收者 - Broker 代理人  - 用戶端將資料publish到MQTT broker(代理人),伺服器透過MQTT接收到資訊後將訊息傳給MQTT,MQTT再將訊息給用戶端   ## 安裝套件 
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