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Learn Tai Chi Maker - mqtt (III) connect to mqtt server
2022-06-25 17:14:00 【xuechanba】
Video link :https://www.bilibili.com/video/BV1eA411j771/?spm_id_from=autoNext&vd_source=b91967c499b23106586d7aa35af46413
The data link :http://www.taichi-maker.com/homepage/esp8266-nodemcu-iot/iot-tuttorial/mqtt-tutorial/4-mqtt-server-connection/

1、CONNECT message





heartbeat ,KeepAlive It is used by the server to know whether the client is connected to it in real time .
2、CONNACK message



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