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85	85	After logging into the interface click** (% style="color:red" %)"+" (%%)**to create a flow
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87		-[[image:image-20241119101328-1.png||height="450" width="949"]]
	87	+[[image:image-20241119101328-1.png||height="460" width="970"]]
88	88
89	89	Rename the stream
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93		-[[image:image-20241119101551-2.png||height="455" width="958"]]
	93	+[[image:image-20241119101551-2.png||height="465" width="979"]]
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96	96	Drag UDP into the editing area
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98		-[[image:image-20241119101952-3.png||height="455" width="959"]]
	98	+[[image:image-20241119101952-3.png||height="466" width="983"]]
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101	101	The same method as above, drag and drop functions and debug into the editing area
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	103	+[[image:image-20241119102218-4.png||height="468" width="986"]]
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105	105	configure UDP in
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107		-[[image:image-20241119103312-7.png||height="458" width="965"]]
	107	+[[image:image-20241119103312-7.png||height="470" width="991"]]
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110	110	Write to the UDP port that the device node sends to the server
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119	119	In order to avoid data confusion, different types of nodes do not use the same UDP port, because different nodes have different data formats and different functions.
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121		-[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519135915-8.png?rev=1.1||alt="image-20220519135915-8.png" height="415" width="735"]]
	121	+[[image:image-20241119105123-9.png||height="557" width="995"]]
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127		-[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519141355-11.png?rev=1.1||alt="image-20220519141355-11.png" height="437" width="744"]]
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130		-[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519141704-12.png?rev=1.1||alt="image-20220519141704-12.png" height="229" width="777"]]
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133	133	When the node successfully sends data, the effect shown in the following figure will appear
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135		-[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519150455-15.png?rev=1.1||alt="image-20220519150455-15.png" height="403" width="799"]]
	126	+[[image:image-20241119104939-8.png||height="473" width="996"]]
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137	137
138	138	=== 2.2.1 About function ===
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159	159	(% style="color:blue" %)**3. Click Install**
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	153	+[[image:image-20241119110335-11.png||height="483" width="1018"]]
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165	165	After the installation is successful, nodered will show the following node icon
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	158	+[[image:image-20241119110539-12.png||height="484" width="1020"]]
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169	169
170	170	=== 2.3.1 the line chart as an example ===

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