Changes for page Node-RED_Install and Use

Last modified by Herong Lu on 2024/03/05 08:37
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From version < 37.5 >
edited by Xiaoling
on 2022/07/25 15:40
To version < 31.1 >
edited by Xiaoling
on 2022/05/26 16:10
>
Change comment: Uploaded new attachment "image-20220526161040-1.png", version {1}

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1 1  (% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %)
2 - **Table of** **Contents：**
2 + **Contents：**
3 3  
4 4  {{toc/}}
5 5  
6 += Installation =
6 6  
7 -
8 -
9 -= 1.  Installation =
10 -
11 -
12 12  Check installation instruction for different OS from this link: [[https:~~/~~/nodered.org/docs/getting-started/>>https://nodered.org/docs/getting-started/]]
13 13  
10 +== Install Example for CENTOS ==
14 14  
12 +=== Installation ===
15 15  
16 -== 1.1  Install Example for CENTOS ==
17 -
18 -
19 -=== 1.1.1  Installation ===
20 -
21 -
22 22  (% class="box infomessage" %)
23 23  (((
24 24  Reference Instruction from this link:  [[https:~~/~~/github.com/node-red/linux-installers>>https://github.com/node-red/linux-installers]]
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25 25  Run below commands and wait for installation complete.
26 26  )))
27 27  
28 -[[image:image-20220526161040-1.png]]
20 +[[image:image-20220519102228-2.png]]
29 29  
22 +**Verify if the installation was successful**
30 30  
31 -(% style="color:blue" %)**Verify if the installation was successful**
24 +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 -[[image:image-20220526161103-2.png]]
28 +[[image:image-20220519103318-3.png]]
38 38  
39 39  
31 +=== If you want to start Node-RED as a background process ===
40 40  
41 -=== 1.1.2  If you want to start Node-RED as a background process ===
33 +Type in the command line interface  nohup node-red &
42 42  
43 -
44 -Type in the command line interface  (% style="color:red" %)**nohup node-red &**
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**
39 +After seeing the above information, press enter
51 51  
52 52  Type in the command line  exit
53 53  
54 54  The above is the installation and startup process of nodered. If you don't understand anything, you can go to the nodered official website. There are installation instructions for various systems. The address has a link at the top
55 55  
45 +== Install in Dragino Gataway ==
56 56  
57 57  
58 -== 1.2  Install in Dragino Gataway ==
48 += Use Node-RED =
59 59  
50 +== Login to Node-RED interface ==
60 60  
61 -
62 -= 2.  Use Node-RED =
63 -
64 -
65 -== 2.1  Login to Node-RED interface ==
66 -
67 -
68 68  Enter your public IP address followed by the port number 1880
69 69  
70 70  example：[[http:~~/~~/xxx.xx.xx.xx:1880/>>http://119.91.62.30:1880/]]
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72 72  [[image:image-20220519104115-4.png||height="352" width="969"]]
73 73  
74 74  
59 +== Add flow ==
75 75  
76 -== 2.2  Add flow ==
77 -
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
63 +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"]]
... ... @@ -94,55 +94,39 @@
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  
92 +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"]]
140 140  
108 +=== About function ===
141 141  
142 -
143 -=== 2.2.1  About function ===
144 -
145 -
146 146  If you are familiar with JS code, you can write it yourself
147 147  If you are not familiar, we have the JS code for each type of node, you just need to copy and paste it into it
148 148  
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149 149  [[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519141833-13.png?rev=1.1||alt="image-20220519141833-13.png"]]
150 150  
151 151  
116 +== Plot Chart for sensors ==
152 152  
153 -== 2.3  Plot Chart for sensors ==
154 -
155 -
156 156  If you need data visualization, please refer to the following
157 157  
158 -
159 159  [[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519152802-16.png?rev=1.1||alt="image-20220519152802-16.png"]]
160 160  
161 161  ~1. Click Install
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168 168  
169 169  [[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519153335-19.png?rev=1.1||alt="image-20220519153335-19.png"]]
170 170  
132 +=== the line chart as an example ===
171 171  
172 -
173 -=== 2.3.1  the line chart as an example ===
174 -
175 -
176 176  Drag the line chart to the editing area
177 177  
178 178  Just drag and drop as many as you need, or you can copy
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189 189  
190 190  [[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519154812-22.png?rev=1.1||alt="image-20220519154812-22.png"]]
191 191  
150 +=== the chart settings ===
192 192  
193 -
194 -=== 2.3.2  the chart settings ===
195 -
196 -
197 197  Double-click while setting up the node as above
198 198  
199 199  [[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519160314-23.png?rev=1.1||alt="image-20220519160314-23.png"]]
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228 228  
229 229  At this point, the basic demonstration of nodered is completed. If you need to beautify the chart and various visualizations, you can go to the official documentation of nodered for further understanding.
230 230  
186 +== Store Value ==
231 231  
232 232  
233 -== 2.4  Store Value ==
189 +== Email Notification ==
234 234  
235 235  
236 -Regarding storage, we recommend two ways
192 += Input Flow =
237 237  
238 -
239 -
240 -=== 2.4.1  1. Generate txt document directly ===
241 -
242 -Sample JSON file:链接转到示例JSON文件[[image:image-20220713102658-1.png]]
243 -
244 -
245 -
246 -=== 2.4.2  2. Use sqlite database ===
247 -
248 -
249 -==== **1.  Install SQLite** ====
250 -
251 -
252 -[[image:image-20220713111030-2.png]]
253 -
254 -
255 -
256 -==== **2.  After the installation is successful, the nodes in the picture will appear** ====
257 -
258 -
259 -[[image:image-20220713111200-3.png]]
260 -
261 -
262 -
263 -==== **3.  Import sample flow** ====
264 -
265 -
266 -== 2.5  Email Notification ==
267 -
268 -
269 -
270 -= 3.  Input Flow =
271 -
272 -
273 273  Directly import JSON files to generate flow
274 274  
275 275  Download the required JSON file through this link: 提供一个链接
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307 307  [[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/Directly%20import%20JSON%20files%20to%20generate%20flow/WebHome/image-20220524193258-6.png?rev=1.1||alt="image-20220524193258-6.png"]]
308 308  
309 309  After the modification is completed, click Deploy
231 +
232 +== MQTT ==
233 +
234 +== UDP ==
235 +
236 +== TCP ==
237 +
238 +== Get data from LoRaWAN Server (TTN) ==
239 +
240 +
241 += Example =
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