Changes for page Node-RED_Install and Use

Last modified by Mengting Qiu on 2024/11/29 10:15
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From version < 23.1 >
edited by Herong Lu
on 2022/05/25 18:57
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1 1  (% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %)
2 - **Contents：**
2 + **Table of** **Contents：**
3 3  
4 4  {{toc/}}
5 5  
6 -= Installation =
7 7  
7 +
8 +
9 += 1.  Installation =
10 +
11 +
8 8  Check installation instruction for different OS from this link: [[https:~~/~~/nodered.org/docs/getting-started/>>https://nodered.org/docs/getting-started/]]
9 9  
10 -== Install Example for CENTOS ==
11 11  
12 -=== Installation ===
13 13  
16 +== 1.1  Install Example for CENTOS ==
17 +
18 +
19 +=== 1.1.1  Installation ===
20 +
21 +
14 14  (% class="box infomessage" %)
15 15  (((
16 16  Reference Instruction from this link:  [[https:~~/~~/github.com/node-red/linux-installers>>https://github.com/node-red/linux-installers]]
... ... @@ -17,38 +17,46 @@
17 17  Run below commands and wait for installation complete.
18 18  )))
19 19  
20 -[[image:image-20220519102228-2.png]]
28 +[[image:image-20220526161040-1.png]]
21 21  
22 -**Verify if the installation was successful**
23 23  
24 -Type in the command line interface  node-red  
31 +(% style="color:blue" %)**Verify if the installation was successful**
25 25  
33 +Type in the command line interface ** (% style="color:red" %)node-red(%%)**(% style="color:red" %)  
34 +
26 26  The following information appears to prove that the installation has been successful
27 27  
28 -[[image:image-20220519103318-3.png]]
37 +[[image:image-20220526161103-2.png]]
29 29  
30 30  
31 -=== If you want to start Node-RED as a background process ===
32 32  
33 -Type in the command line interface  nohup node-red &
41 +=== 1.1.2  If you want to start Node-RED as a background process ===
34 34  
43 +
44 +Type in the command line interface  (% style="color:red" %)**nohup node-red &**
45 +
35 35  It will prompt after startup
36 36  
37 37  [[image:image-20220519104601-5.png]]
38 38  
39 -After seeing the above information, press enter
50 +After seeing the above information, press **enter**
40 40  
41 41  Type in the command line  exit
42 42  
43 43  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
44 44  
45 -== Install in Dragino Gataway ==
46 46  
47 47  
48 -= Use Node-RED =
58 +== 1.2  Install in Dragino Gataway ==
49 49  
50 -== Login to Node-RED interface ==
51 51  
61 +
62 += 2.  Use Node-RED =
63 +
64 +
65 +== 2.1  Login to Node-RED interface ==
66 +
67 +
52 52  Enter your public IP address followed by the port number 1880
53 53  
54 54  example：[[http:~~/~~/xxx.xx.xx.xx:1880/>>http://119.91.62.30:1880/]]
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56 56  [[image:image-20220519104115-4.png||height="352" width="969"]]
57 57  
58 58  
59 -== Add flow ==
60 60  
76 +== 2.2  Add flow ==
77 +
78 +
61 61  Take NBSN95 mod1 UDP protocol as an example
62 62  
63 -After logging into the interface click '+' to create a flow
81 +After logging into the interface click** (% style="color:red" %)"+" (%%)**to create a flow
64 64  
65 65  [[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"]]
66 66  
85 +
86 +
67 67  Rename the stream
68 68  
69 69  [[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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74 74  
75 75  Drag UDP into the editing area
76 76  
97 +
98 +
77 77  [[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"]]
78 78  
101 +
79 79  The same method as above, drag and drop functions and debug into the editing area
80 80  
81 81  [[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"]]
82 82  
106 +
107 +
83 83  configure UDP in
84 84  
85 85  [[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"]]
86 86  
112 +
87 87  Write to the UDP port that the device node sends to the server
88 88  
89 89  Example My UDP device node sends to server port 8585
90 90  just write 8585
91 91  
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.
93 93  
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 +
94 94  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.
95 95  
96 96  [[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"]]
97 97  
126 +
98 98  [[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"]]
99 99  
129 +
100 100  [[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"]]
101 101  
132 +
102 102  [[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"]]
103 103  
135 +
136 +
104 104  When the node successfully sends data, the effect shown in the following figure will appear
105 105  
106 106  [[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"]]
107 107  
108 -=== About function ===
109 109  
142 +
143 +=== 2.2.1  About function ===
144 +
145 +
110 110  If you are familiar with JS code, you can write it yourself
111 111  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
112 112  
149 +
113 113  [[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"]]
114 114  
115 115  
116 -== Plot Chart for sensors ==
117 117  
154 +== 2.3  Plot Chart for sensors ==
118 118  
119 -== Store Value ==
120 120  
157 +If you need data visualization, please refer to the following
121 121  
122 -== Email Notification ==
123 123  
160 +[[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"]]
124 124  
125 -= Input Flow =
126 126  
127 -== MQTT ==
128 128  
129 -== UDP ==
164 +(% style="color:blue" %)**1. Click Install
165 +2. Search the dashboard
166 +3. Click Install**
130 130  
131 -== TCP ==
132 132  
133 -== Get data from LoRaWAN Server (TTN) ==
134 134  
170 +[[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"]]
135 135  
136 -= Example =
172 +After the installation is successful, nodered will show the following node icon
173 +
174 +[[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"]]
175 +
176 +
177 +
178 +=== 2.3.1  the line chart as an example ===
179 +
180 +
181 +Drag the line chart to the editing area
182 +
183 +Just drag and drop as many as you need, or you can copy
184 +
185 +The demo uses 3 kinds. Voltage, temperature, humidity
186 +
187 +[[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"]]
188 +
189 +double click function
190 +
191 +[[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"]]
192 +
193 +Adjusted to 3, because we need to display 3 charts
194 +
195 +[[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"]]
196 +
197 +
198 +
199 +=== 2.3.2  the chart settings ===
200 +
201 +
202 +Double-click while setting up the node as above
203 +
204 +[[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"]]
205 +
206 +[[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"]]
207 +
208 +[[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"]]
209 +
210 +[[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"]]
211 +
212 +[[image:image-20220525185746-2.png]]
213 +
214 +[[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"]]
215 +
216 +After the display interface is defined for the first time, subsequent charts can directly select the display interface
217 +
218 +[[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"]]​​​​​​
219 +
220 +[[image:image-20220525190106-3.png]]
221 +
222 +Connect graph nodes to functions with lines
223 +
224 +Click to deploy
225 +
226 +[[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"]]
227 +
228 +Enter the server public IP + port 1880/ui
229 +
230 +example：[[http:~~/~~/xxx.xx.xx.xx:1880/ui>>url:http://119.91.62.30:1880/ui/#!/18?socketid=WY1MCE0RFEKHey8KAADj]]
231 +
232 +[[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"]]
233 +
234 +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.
235 +
236 +
237 +
238 +== 2.4  Store Value ==
239 +
240 +
241 +Regarding storage, we recommend two ways
242 +
243 +
244 +
245 +=== 2.4.1  1. Generate txt document directly ===
246 +
247 +Sample JSON file:链接转到示例JSON文件[[image:image-20220713102658-1.png]]
248 +
249 +
250 +
251 +=== 2.4.2  2. Use sqlite database ===
252 +
253 +
254 +==== **1.  Install SQLite** ====
255 +
256 +
257 +[[image:image-20220713111030-2.png]]
258 +
259 +
260 +
261 +==== **2.  After the installation is successful, the nodes in the picture will appear** ====
262 +
263 +
264 +[[image:image-20220713111200-3.png]]
265 +
266 +
267 +
268 +==== **3.  Import sample flow** ====
269 +
270 +
271 +== 2.5  Email Notification ==
272 +
273 +
274 +
275 += 3.  Input Flow =
276 +
277 +
278 +Directly import JSON files to generate flow
279 +
280 +Download the required JSON file through this link: 提供一个链接
281 +
282 +Take LHT65 as an example  (this node is already registered with TTN,MQTT protocol to connect)
283 +
284 +[[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"]]
285 +
286 +[[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"]]
287 +
288 +[[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"]]
289 +
290 +[[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"]]
291 +
292 +After the import is successful, change the MQTT in node to your TTN information
293 +
294 +[[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"]]
295 +
296 +[[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"]]
297 +
298 +Configure information consistent with your TTN
299 +
300 +[[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"]]
301 +
302 +[[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"]]
303 +
304 +API keys generated by the password for you
305 +
306 +[[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"]]
307 +
308 +Topic modify it to the following format
309 +
310 +v3/(% style="color:red" %)Application ID(%%)@ttn/devices/(% style="color:red" %)End device ID(%%)/up
311 +
312 +[[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"]]
313 +
314 +After the modification is completed, click Deploy
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