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 < 41.1 >
edited by Edwin Chen
on 2022/10/16 08:02
To version < 59.3 >
edited by Xiaoling
on 2024/01/04 11:05
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
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6 6  
7 7  
8 8  
9 -= 1.  Installation =
9 += 1. Installation =
10 10  
11 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  
14 14  
15 +== 1.1 Install Example for CENTOS ==
15 15  
16 -== 1.1  Install Example for CENTOS ==
17 +=== 1.1.1 Installation ===
17 17  
18 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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37 37  [[image:image-20220526161103-2.png]]
38 38  
39 39  
38 +=== 1.1.2 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 ===
42 42  
43 -
44 44  Type in the command line interface  (% style="color:red" %)**nohup node-red &**
45 45  
46 46  It will prompt after startup
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47 47  
48 48  [[image:image-20220519104601-5.png]]
49 49  
50 -After seeing the above information, press **enter**
47 +After seeing the above information, press **enter.**
51 51  
52 -Type in the command line  exit
49 +Type in the command line  exit.
53 53  
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
51 +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  
56 56  
54 +== 1.2 Install in Dragino Gataway ==
57 57  
58 -== 1.2  Install in Dragino Gataway ==
59 59  
60 -
61 61  The below models from Dragino already have Node-Red installed by default. Users no need to install it by themselves.
62 62  
63 63  * [[LPS8v2 Indoor LoRaWAN Gateway. >>https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]]
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65 65  Other gateway model doesn't support built-in Node-Red server.
66 66  
67 67  
68 -= 2.  General Use of  Node-RED =
64 += 2. General Use of  Node-RED =
69 69  
70 70  
71 71  This section describes some basic features of Node-RED. For more info please check the [[Node-RED official document>>https://nodered.org/]].
72 72  
73 73  
74 -== 2.1  Login to Node-RED interface ==
70 +== 2.1 Login to Node-RED interface ==
75 75  
76 76  
77 77  Enter your public IP address followed by the port number 1880
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81 81  [[image:image-20220519104115-4.png||height="280" width="768"]]
82 82  
83 83  
80 +== 2.2 Add flow ==
84 84  
85 -== 2.2  Add flow ==
86 86  
87 -
88 88  Take NBSN95 mod1 UDP protocol as an example
89 89  
90 90  After logging into the interface click** (% style="color:red" %)"+" (%%)**to create a flow
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106 106  Drag UDP into the editing area
107 107  
108 108  
109 -
110 110  [[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"]]
111 111  
112 112  
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115 115  [[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" height="442" width="776"]]
116 116  
117 117  
118 -
119 119  configure UDP in
120 120  
121 121  [[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" height="332" width="767"]]
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144 144  [[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"]]
145 145  
146 146  
147 -
148 148  When the node successfully sends data, the effect shown in the following figure will appear
149 149  
150 150  [[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"]]
151 151  
152 152  
145 +=== 2.2.1 About function ===
153 153  
154 -=== 2.2.1  About function ===
155 155  
156 -
157 157  If you are familiar with JS code, you can write it yourself
158 -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
149 +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.
159 159  
160 -
161 161  [[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" height="478" width="789"]]
162 162  
163 163  
154 +== 2.3 Plot Chart for sensors ==
164 164  
165 -== 2.3  Plot Chart for sensors ==
166 166  
167 -
168 168  If you need data visualization, please refer to the following
169 169  
170 -
171 171  [[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"]]
172 172  
173 173  
162 +(% style="color:blue" %)**1. Click Install**
174 174  
175 -(% style="color:blue" %)**1. Click Install
176 -2. Search the dashboard
177 -3. Click Install**
164 +(% style="color:blue" %)**2. Search the dashboard**
178 178  
166 +(% style="color:blue" %)**3. Click Install**
179 179  
180 180  
181 181  [[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" height="763" width="835"]]
182 182  
183 183  
184 -
185 185  After the installation is successful, nodered will show the following node icon
186 186  
187 187  [[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"]]
188 188  
189 189  
177 +=== 2.3.1 the line chart as an example ===
190 190  
191 -=== 2.3.1  the line chart as an example ===
192 192  
193 -
194 194  Drag the line chart to the editing area
195 195  
196 196  Just drag and drop as many as you need, or you can copy
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215 215  [[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" height="418" width="755"]]
216 216  
217 217  
204 +=== 2.3.2 the chart settings ===
218 218  
219 -=== 2.3.2  the chart settings ===
220 220  
221 -
222 222  Double-click while setting up the node as above
223 223  
224 224  
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271 271  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.
272 272  
273 273  
259 +== 2.4 Store Value ==
274 274  
275 -== 2.4  Store Value ==
276 276  
277 -
278 278  Regarding storage, we recommend two ways.
279 279  
280 280  
265 +=== 2.4.1 (% style="display:none" %) (%%)Method 1: Generate txt document directly ===
281 281  
282 -=== 2.4.1  1. Generate txt document directly ===
283 283  
268 +Sample JSON file: [[https:~~/~~/www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0>>https://www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0]]
284 284  
285 -Sample JSON file:链接转到示例JSON文件
286 -
287 287  [[image:image-20220713102658-1.png||height="346" width="728"]]
288 288  
289 289  
273 +=== 2.4.2 Method 2: Use sqlite database ===
290 290  
291 -=== 2.4.2  2. Use sqlite database ===
292 292  
293 -
294 294  ==== (% style="color:blue" %)**1.  Install SQLite**(%%) ====
295 295  
296 296  
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310 310  
311 311  Refer to the import example below to import the sqlite example flow
312 312  
313 -Download sample JSON file link: 链接
295 +Download sample JSON file link: [[https:~~/~~/www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0>>https://www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0]]
314 314  
315 315  
298 += 3. Import Input Flow for Dragino Sensors =
316 316  
317 -= 3.  Import Input Flow for Dragino Sensors =
318 318  
319 -
320 320  Dragino provides input flow examples for the sensors.
321 321  
322 322  User can download the required JSON file through [[Dragino Node-RED input flow template>>https://github.com/dragino/dragino-end-node-decoder]].
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359 359  [[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" height="690" width="755"]]
360 360  
361 361  After the modification is completed, click Deploy
343 +
344 +
345 += 4. Add Dragino node =
346 +
347 +
348 +Please do not modify the code anywhere to avoid any exceptions
349 +
350 +The prerequisite is to install the Dragino node and the sqlite node dashboard node
351 +
352 +The echarts library is placed in the static file of node red
353 +
354 +Reference link: [[https:~~/~~/nodered.org/docs/user-guide/runtime/configuration>>]]
355 +
356 +Please download the general flow and echarts files from this link：[[https:~~/~~/www.dropbox.com/scl/fo/677l8f3u3evpojcdcj3j7/h?rlkey=0iqbwf27dbyi75egmrp0p0yjx&dl=0>>https://www.dropbox.com/scl/fo/677l8f3u3evpojcdcj3j7/h?rlkey=0iqbwf27dbyi75egmrp0p0yjx&dl=0]]
357 +
358 +
359 +== 4.1 Installing Dragino nodes ==
360 +
361 +
362 +[[image:image-20240104095739-1.png||height="662" width="662"]]
363 +
364 +[[image:image-20240104100026-2.png]]
365 +
366 +[[image:image-20240104100109-3.png]]
367 +
368 +
369 +== 4.2 Import General Flow ==
370 +
371 +
372 +[[image:image-20240104100340-4.png]]
373 +
374 +[[image:image-20240104100446-5.png||height="407" width="885"]]
375 +
376 +Please refer to the previous chapters for MQTT settings and sqlite installation settings
377 +
378 +
379 +== 4.3 Using flow ==
380 +
381 +
382 +Just double-click on the drag ino decoder node and select it from the dropdown menu
383 +
384 +Corresponding nodes are sufficient
385 +
386 +[[image:image-20240104100928-6.png||height="439" width="755"]]
387 +
388 +Setting the template node
389 +
390 +[[image:image-20240104101446-8.png]]
391 +
392 +When multiple nodes are needed in the same process
393 +
394 +[[image:image-20240104103636-1.png]]
395 +
396 +
397 +After setting up, select deployment
398 +
399 +[[image:image-20240104101346-7.png||height="242" width="724"]]
400 +
401 +Enter the server public IP + port 1880/ui
402 +
403 +example：[[http:~~/~~/xxx.xx.xx.xx:1880/ui>>url:http://119.91.62.30:1880/ui/#!/18?socketid=WY1MCE0RFEKHey8KAADj]]
404 +
405 +You can see the UI display effect in the following picture
406 +
407 +[[image:image-20240104104931-2.png||height="737" width="1131"]]
408 +
409 +
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