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Herong Lu 6.1 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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Herong Lu 8.1 16 [[image:image-20220519171639-4.png]].
Herong Lu 6.1 17
Herong Lu 8.1 18 [[image:image-20220519175429-1.png]]
Herong Lu 6.1 19
Herong Lu 8.1 20
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Herong Lu 6.1 22
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