Changes for page Node-RED_Install and Use

Last modified by Herong Lu on 2024/03/05 08:37
<
From version < 37.5 >
edited by Xiaoling
on 2022/07/25 15:40
To version < 23.1 >
edited by Herong Lu
on 2022/05/25 18:57
>
Change comment: Uploaded new attachment "image-20220525185746-2.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]]
... ... @@ -25,46 +25,38 @@
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/]]
... ... @@ -72,18 +72,14 @@
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"]]
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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 ==
154 154  
119 +== Store Value ==
155 155  
156 -If you need data visualization, please refer to the following
157 157  
122 +== Email Notification ==
158 158  
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 -~1. Click Install
162 -2. Search the dashboard
163 -3. Click Install
125 += Input Flow =
164 164  
165 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519152956-17.png?rev=1.1||alt="image-20220519152956-17.png"]]
127 +== MQTT ==
166 166  
167 -After the installation is successful, nodered will show the following node icon
129 +== UDP ==
168 168  
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"]]
131 +== TCP ==
170 170  
133 +== Get data from LoRaWAN Server (TTN) ==
171 171  
172 172  
173 -=== 2.3.1  the line chart as an example ===
174 -
175 -
176 -Drag the line chart to the editing area
177 -
178 -Just drag and drop as many as you need, or you can copy
179 -
180 -The demo uses 3 kinds. Voltage, temperature, humidity
181 -
182 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519154521-20.png?rev=1.1||alt="image-20220519154521-20.png"]]
183 -
184 -double click function
185 -
186 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519154640-21.png?rev=1.1||alt="image-20220519154640-21.png"]]
187 -
188 -Adjusted to 3, because we need to display 3 charts
189 -
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 -
192 -
193 -
194 -=== 2.3.2  the chart settings ===
195 -
196 -
197 -Double-click while setting up the node as above
198 -
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"]]
200 -
201 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519160412-24.png?rev=1.1||alt="image-20220519160412-24.png"]]
202 -
203 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519160759-27.png?rev=1.1||alt="image-20220519160759-27.png"]]
204 -
205 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519161326-30.png?rev=1.1||alt="image-20220519161326-30.png"]]
206 -
207 -[[image:image-20220525185746-2.png]]
208 -
209 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519161650-32.png?rev=1.1||alt="image-20220519161650-32.png"]]
210 -
211 -After the display interface is defined for the first time, subsequent charts can directly select the display interface
212 -
213 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519162039-34.png?rev=1.1||alt="image-20220519162039-34.png"]]​​​​​​
214 -
215 -[[image:image-20220525190106-3.png]]
216 -
217 -Connect graph nodes to functions with lines
218 -
219 -Click to deploy
220 -
221 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519162412-36.png?rev=1.1||alt="image-20220519162412-36.png"]]
222 -
223 -Enter the server public IP + port 1880/ui
224 -
225 -example：[[http:~~/~~/xxx.xx.xx.xx:1880/ui>>url:http://119.91.62.30:1880/ui/#!/18?socketid=WY1MCE0RFEKHey8KAADj]]
226 -
227 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519163141-37.png?rev=1.1||alt="image-20220519163141-37.png"]]
228 -
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 -
231 -
232 -
233 -== 2.4  Store Value ==
234 -
235 -
236 -Regarding storage, we recommend two ways
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 -Directly import JSON files to generate flow
274 -
275 -Download the required JSON file through this link: 提供一个链接
276 -
277 -Take LHT65 as an example  (this node is already registered with TTN,MQTT protocol to connect)
278 -
279 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/Directly%20import%20JSON%20files%20to%20generate%20flow/WebHome/image-20220524175748-3.png?rev=1.1||alt="image-20220524175748-3.png"]]
280 -
281 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/Directly%20import%20JSON%20files%20to%20generate%20flow/WebHome/image-20220524175814-4.png?rev=1.1||alt="image-20220524175814-4.png"]]
282 -
283 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/Directly%20import%20JSON%20files%20to%20generate%20flow/WebHome/image-20220524175914-5.png?rev=1.1||alt="image-20220524175914-5.png"]]
284 -
285 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/Directly%20import%20JSON%20files%20to%20generate%20flow/WebHome/image-20220524175935-6.png?rev=1.1||alt="image-20220524175935-6.png"]]
286 -
287 -After the import is successful, change the MQTT in node to your TTN information
288 -
289 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/Directly%20import%20JSON%20files%20to%20generate%20flow/WebHome/image-20220524184449-1.png?rev=1.1||alt="image-20220524184449-1.png"]]
290 -
291 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/Directly%20import%20JSON%20files%20to%20generate%20flow/WebHome/image-20220524184521-2.png?rev=1.1||alt="image-20220524184521-2.png"]]
292 -
293 -Configure information consistent with your TTN
294 -
295 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/Directly%20import%20JSON%20files%20to%20generate%20flow/WebHome/image-20220524184722-3.png?rev=1.1||alt="image-20220524184722-3.png"]]
296 -
297 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/Directly%20import%20JSON%20files%20to%20generate%20flow/WebHome/image-20220524192830-4.png?rev=1.1||alt="image-20220524192830-4.png"]]
298 -
299 -API keys generated by the password for you
300 -
301 -[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/Directly%20import%20JSON%20files%20to%20generate%20flow/WebHome/image-20220524193028-5.png?rev=1.1||alt="image-20220524193028-5.png"]]
302 -
303 -Topic modify it to the following format
304 -
305 -v3/(% style="color:red" %)Application ID(%%)@ttn/devices/(% style="color:red" %)End device ID(%%)/up
306 -
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 -
309 -After the modification is completed, click Deploy
136 += Example =
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