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	1	+node_red usage example MQTT

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	1	+Main.Node-RED.WebHome

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	1	+= The difference from UDP TCP is also in the connection =
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	3	+[[image:image-20220519170656-1.png]]
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	5	+== MQTT in settings ==
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	7	+[[image:image-20220519171012-2.png]]
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	9	+The default port of MQTT is 1883 because the nodered I demonstrated is installed on my server, so its IP address is local
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	12	+[[image:image-20220519171249-3.png]]
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	14	+If you need to verify, please enter the account password of the MQTT server you are connecting to
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	16	+[[image:image-20220519171639-4.png]]
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