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...	...	@@ -27,27 +27,25 @@
27	27
28	28	[[image:image-20220526161040-1.png]]
29	29
	30	+**Verify if the installation was successful**
30	30
31		-(% style="color:blue" %)**Verify if the installation was successful**
	32	+Type in the command line interface  node-red
32	32
33		-Type in the command line interface ** (% style="color:red" %)node-red(%%)**(% style="color:red" %)
34		-
35	35	The following information appears to prove that the installation has been successful
36	36
37	37	[[image:image-20220526161103-2.png]]
38	38
39	39
40		-
41	41	=== 1.1.2  If you want to start Node-RED as a background process ===
42	42
43	43
44		-Type in the command line interface  (% style="color:red" %)**nohup node-red &**
	42	+Type in the command line interface  nohup node-red &
45	45
46	46	It will prompt after startup
47	47
48	48	[[image:image-20220519104601-5.png]]
49	49
50		-After seeing the above information, press **enter**
	48	+After seeing the above information, press enter
51	51
52	52	Type in the command line  exit
53	53
...	...	@@ -78,12 +78,10 @@
78	78
79	79	Take NBSN95 mod1 UDP protocol as an example
80	80
81		-After logging into the interface click** (% style="color:red" %)"+" (%%)**to create a flow
	79	+After logging into the interface click '+' to create a flow
82	82
83	83	[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519133634-1.png?rev=1.1||alt="image-20220519133634-1.png" height="231" width="972"]]
84	84
85		-
86		-
87	87	Rename the stream
88	88
89	89	[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519134042-2.png?rev=1.1||alt="image-20220519134042-2.png" height="552" width="565"]]
...	...	@@ -94,46 +94,33 @@
94	94
95	95	Drag UDP into the editing area
96	96
97		-
98		-
99	99	[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519134533-5.png?rev=1.1||alt="image-20220519134533-5.png"]]
100	100
101		-
102	102	The same method as above, drag and drop functions and debug into the editing area
103	103
104	104	[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519134850-6.png?rev=1.1||alt="image-20220519134850-6.png"]]
105	105
106		-
107		-
108	108	configure UDP in
109	109
110	110	[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519135402-7.png?rev=1.1||alt="image-20220519135402-7.png"]]
111	111
112		-
113	113	Write to the UDP port that the device node sends to the server
114	114
115	115	Example My UDP device node sends to server port 8585
116	116	just write 8585
117	117
	108	+Note that the port that is already in use cannot be used. If the receiving fails, you need to check whether the port of the server is occupied. The sending port of the device node should not use the default port used by the server, such as a common port such as 8080.
118	118
119		-(% style="color:red" %)**Note: that the port that is already in use cannot be used. If the receiving fails, you need to check whether the port of the server is occupied. The sending port of the device node should not use the default port used by the server, such as a common port such as 8080.**
120		-
121		-
122	122	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.
123	123
124	124	[[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"]]
125	125
126		-
127	127	[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519144651-14.png?rev=1.1||alt="image-20220519144651-14.png"]]
128	128
129		-
130	130	[[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"]]
131	131
132		-
133	133	[[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"]]
134	134
135		-
136		-
137	137	When the node successfully sends data, the effect shown in the following figure will appear
138	138
139	139	[[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"]]