MQTT介紹

tags: `自主學習`

MQTT可以做甚麼

Image Not Showing Possible Reasons

The image file may be corrupted
The server hosting the image is unavailable
The image path is incorrect
The image format is not supported

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
Image Not Showing Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
Learn More →
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
Image Not Showing Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
Learn More →

Image Not Showing Possible Reasons

The image file may be corrupted
The server hosting the image is unavailable
The image path is incorrect
The image format is not supported

安裝套件

Image Not Showing Possible Reasons

The image file may be corrupted
The server hosting the image is unavailable
The image path is incorrect
The image format is not supported