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 < 98.2 >
edited by Mengting Qiu
on 2024/11/19 10:36
To version < 59.1 >
edited by Herong Lu
on 2024/01/04 10:49
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1 -XWiki.ting
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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 +== 1.1  Install Example for CENTOS ==
16 16  
17 -=== 1.1.1 Installation ===
17 +=== 1.1.1  Installation ===
18 18  
19 19  
20 20  (% class="box infomessage" %)
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35 35  [[image:image-20220526161103-2.png]]
36 36  
37 37  
38 -=== 1.1.2 If you want to start Node-RED as a background process ===
38 +=== 1.1.2  If you want to start Node-RED as a background process ===
39 39  
40 40  
41 41  Type in the command line interface  (% style="color:red" %)**nohup node-red &**
... ... @@ -51,7 +51,7 @@
51 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.
52 52  
53 53  
54 -== 1.2 Install in Dragino Gataway ==
54 +== 1.2  Install in Dragino Gataway ==
55 55  
56 56  
57 57  The below models from Dragino already have Node-Red installed by default. Users no need to install it by themselves.
... ... @@ -61,13 +61,13 @@
61 61  Other gateway model doesn't support built-in Node-Red server.
62 62  
63 63  
64 -= 2. General Use of  Node-RED =
64 += 2.  General Use of  Node-RED =
65 65  
66 66  
67 67  This section describes some basic features of Node-RED. For more info please check the [[Node-RED official document>>https://nodered.org/]].
68 68  
69 69  
70 -== 2.1 Login to Node-RED interface ==
70 +== 2.1  Login to Node-RED interface ==
71 71  
72 72  
73 73  Enter your public IP address followed by the port number 1880
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77 77  [[image:image-20220519104115-4.png||height="280" width="768"]]
78 78  
79 79  
80 -== 2.2 Add flow ==
80 +== 2.2  Add flow ==
81 81  
82 82  
83 83  Take NBSN95 mod1 UDP protocol as an example
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84 84  
85 85  After logging into the interface click** (% style="color:red" %)"+" (%%)**to create a flow
86 86  
87 -[[image:image-20241119101328-1.png||height="450" width="949"]]
87 +[[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="183" width="770"]]
88 88  
89 +
90 +
89 89  Rename the stream
90 90  
93 +[[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="535" width="548"]]
91 91  
92 92  
93 -[[image:image-20241119101551-2.png||height="455" width="958"]]
96 +[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519134318-3.png?rev=1.1||alt="image-20220519134318-3.png" height="461" width="753"]]
94 94  
95 95  
99 +[[image:http://8.211.40.43:8080/xwiki/bin/download/Main/Node-RED/node_red%20usage%20example/WebHome/image-20220519134346-4.png?rev=1.1||alt="image-20220519134346-4.png"]]
100 +
96 96  Drag UDP into the editing area
97 97  
98 -[[image:image-20241119101952-3.png||height="455" width="959"]]
99 99  
100 100  
105 +[[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"]]
106 +
107 +
101 101  The same method as above, drag and drop functions and debug into the editing area
102 102  
103 -[[image:image-20241119102218-4.png||height="456" width="961"]]
110 +[[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"]]
104 104  
112 +
113 +
105 105  configure UDP in
106 106  
107 -[[image:image-20241119103312-7.png||height="458" width="965"]]
116 +[[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"]]
108 108  
109 109  
110 110  Write to the UDP port that the device node sends to the server
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130 130  [[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"]]
131 131  
132 132  
142 +
133 133  When the node successfully sends data, the effect shown in the following figure will appear
134 134  
135 135  [[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"]]
136 136  
137 137  
138 -=== 2.2.1 About function ===
148 +=== 2.2.1  About function ===
139 139  
140 140  
141 141  If you are familiar with JS code, you can write it yourself
142 -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.
152 +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
143 143  
154 +
144 144  [[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"]]
145 145  
146 146  
147 -== 2.3 Plot Chart for sensors ==
158 +== 2.3  Plot Chart for sensors ==
148 148  
149 149  
150 150  If you need data visualization, please refer to the following
151 151  
163 +
152 152  [[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"]]
153 153  
154 154  
167 +
155 155  (% style="color:blue" %)**1. Click Install**
156 156  
157 157  (% style="color:blue" %)**2. Search the dashboard**
... ... @@ -159,15 +159,17 @@
159 159  (% style="color:blue" %)**3. Click Install**
160 160  
161 161  
175 +
162 162  [[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"]]
163 163  
164 164  
179 +
165 165  After the installation is successful, nodered will show the following node icon
166 166  
167 167  [[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"]]
168 168  
169 169  
170 -=== 2.3.1 the line chart as an example ===
185 +=== 2.3.1  the line chart as an example ===
171 171  
172 172  
173 173  Drag the line chart to the editing area
... ... @@ -176,20 +176,25 @@
176 176  
177 177  The demo uses 3 kinds. Voltage, temperature, humidity
178 178  
194 +
179 179  [[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" height="242" width="743"]]
180 180  
181 181  
198 +
182 182  double click function
183 183  
201 +
184 184  [[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" height="549" width="749"]]
185 185  
186 186  
205 +
187 187  Adjusted to 3, because we need to display 3 charts
188 188  
208 +
189 189  [[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"]]
190 190  
191 191  
192 -=== 2.3.2 the chart settings ===
212 +=== 2.3.2  the chart settings ===
193 193  
194 194  
195 195  Double-click while setting up the node as above
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213 213  [[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" height="722" width="726"]]
214 214  
215 215  
236 +
216 216  After the display interface is defined for the first time, subsequent charts can directly select the display interface
217 217  
239 +
218 218  [[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" height="644" width="724"]]
219 219  
220 220  ​​​​​​
... ... @@ -222,10 +222,12 @@
222 222  [[image:image-20220525190106-3.png||height="575" width="724"]]
223 223  
224 224  
247 +
225 225  Connect graph nodes to functions with lines
226 226  
227 227  Click to deploy
228 228  
252 +
229 229  [[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" height="256" width="726"]]
230 230  
231 231  Enter the server public IP + port 1880/ui
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233 233  example：[[http:~~/~~/xxx.xx.xx.xx:1880/ui>>url:http://119.91.62.30:1880/ui/#!/18?socketid=WY1MCE0RFEKHey8KAADj]]
234 234  
235 235  
260 +
236 236  [[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" height="203" width="735"]]
237 237  
238 238  
... ... @@ -239,13 +239,13 @@
239 239  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.
240 240  
241 241  
242 -== 2.4 Store Value ==
267 +== 2.4  Store Value ==
243 243  
244 244  
245 245  Regarding storage, we recommend two ways.
246 246  
247 247  
248 -=== 2.4.1 (% style="display:none" %) (%%)Method 1: Generate txt document directly ===
273 +=== 2.4.1  1. Generate txt document directly ===
249 249  
250 250  
251 251  Sample JSON file: [[https:~~/~~/www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0>>https://www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0]]
... ... @@ -253,7 +253,7 @@
253 253  [[image:image-20220713102658-1.png||height="346" width="728"]]
254 254  
255 255  
256 -=== 2.4.2 Method 2: Use sqlite database ===
281 +=== 2.4.2  2. Use sqlite database ===
257 257  
258 258  
259 259  ==== (% style="color:blue" %)**1.  Install SQLite**(%%) ====
... ... @@ -278,7 +278,7 @@
278 278  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]]
279 279  
280 280  
281 -= 3. Import Input Flow for Dragino Sensors =
306 += 3.  Import Input Flow for Dragino Sensors =
282 282  
283 283  
284 284  Dragino provides input flow examples for the sensors.
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324 324  
325 325  After the modification is completed, click Deploy
326 326  
352 += 4.Add Dragino node =
327 327  
328 -= 4. Add Dragino node =
329 -
330 -
331 331  Please do not modify the code anywhere to avoid any exceptions
332 332  
333 333  The prerequisite is to install the Dragino node and the sqlite node dashboard node
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336 336  
337 337  Reference link: [[https:~~/~~/nodered.org/docs/user-guide/runtime/configuration>>]]
338 338  
339 -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]]
362 +Please download the general flow and echarts files from this link：这里放链接
340 340  
364 +== 4.1Installing Dragino nodes ==
341 341  
342 -== 4.1 Installing Dragino nodes ==
343 -
344 -
345 345  [[image:image-20240104095739-1.png||height="662" width="662"]]
346 346  
347 347  [[image:image-20240104100026-2.png]]
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348 348  
349 349  [[image:image-20240104100109-3.png]]
350 350  
372 +== 4.2Import General Flow ==
351 351  
352 -== 4.2 Import General Flow ==
353 -
354 -
355 355  [[image:image-20240104100340-4.png]]
356 356  
357 357  [[image:image-20240104100446-5.png||height="407" width="885"]]
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358 358  
359 359  Please refer to the previous chapters for MQTT settings and sqlite installation settings
360 360  
380 +== 4.3Using flow ==
361 361  
362 -== 4.3 Using flow ==
363 -
364 -
365 365  Just double-click on the drag ino decoder node and select it from the dropdown menu
366 366  
367 367  Corresponding nodes are sufficient
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376 376  
377 377  [[image:image-20240104103636-1.png]]
378 378  
379 -If using the NodeRed that comes with the Dragino gateway
380 380  
381 -Change to the following path
382 -
383 -"/static/echarts.min.js"
384 -
385 -[[image:image-20240110153029-1.png]]
386 -
387 -
388 388  After setting up, select deployment
389 389  
390 390  [[image:image-20240104101346-7.png||height="242" width="724"]]
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395 395  
396 396  You can see the UI display effect in the following picture
397 397  
398 -[[image:image-20240104104931-2.png||height="737" width="1131"]]
399 -
400 -
401 -= 5. FAQ =
402 -
403 -== 5.1 How to use Node-Red to schedule downlink to ChirpStack LoRaWAN Server? ==
404 -
405 -=== 5.1.1 Install node-red-node-base64 ===
406 -
407 -
408 -[[image:image-20240222154204-1.png||height="456" width="983"]]
409 -
410 -[[image:image-20240222154819-3.png||height="469" width="990"]]
411 -
412 -
413 -=== 5.1.2 Import Example Flow ===
414 -
415 -
416 -The Json file for the example flow can be downloaded at this link:[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/blob/main/Node-RED/chirpstack-MQTT-down.json.>>https://github.com/dragino/dragino-end-node-decoder/blob/main/Node-RED/chirpstack-MQTT-down.json]]
417 -
418 -[[image:image-20240222155121-4.png||height="495" width="1017"]]
419 -
420 -[[image:image-20240222155239-5.png||height="497" width="1020"]]
421 -
422 -
423 -=== 5.1.3 Establish connection ===
424 -
425 -
426 -Setting up the server:
427 -
428 -[[image:image-20240222160019-7.png||height="413" width="955"]]
429 -
430 -[[image:image-20240222160223-8.png||height="416" width="956"]]
431 -
432 -[[image:image-20240222160347-9.png||height="426" width="963"]]
433 -
434 -Change the theme to Application lD and DevEUl for ChirpStack:
435 -
436 -[[image:image-20240222160712-10.png||height="429" width="988"]]
437 -
438 -[[image:image-20240222160735-11.png||height="417" width="984"]]
439 -
440 -[[image:image-20240222160842-12.png||height="387" width="992"]]
441 -
442 -And then，
443 -
444 -[[image:image-20240222161010-13.png||height="454" width="997"]]
445 -
446 -[[image:image-20240222161147-14.png||height="478" width="1002"]]
447 -
448 -Connection established successfully：
449 -
450 -[[image:image-20240222161252-15.png||height="412" width="1001"]]
451 -
452 -
453 -=== 5.1.4 Input downlink command ===
454 -
455 -
456 -[[image:image-20240222161614-16.png||height="465" width="997"]]
457 -
458 -[[image:image-20240222161937-17.png||height="472" width="997"]]
459 -
460 -
461 -Example action video:[[https:~~/~~/youtu.be/Lqm-k5nQ5eU>>https://youtu.be/Lqm-k5nQ5eU]]
462 -
463 -
464 -== 5.2 How to use Node-Red to schedule downlink to TTN-V3 LoRaWAN Server? ==
465 -
466 -=== 5.2.1 Reference 5.1.1 Installing base64 nodes ===
467 -
468 -=== 5.2.2 Import Example Flow ===
469 -
470 -
471 -Reference 5.1.2
472 -
473 -Taking LT-222222-L as an example
474 -
475 -The Json file for the example flow can be downloaded at this link:[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/blob/main/Node-RED/TTN-V3-MQTT-down.json>>https://github.com/dragino/dragino-end-node-decoder/blob/main/Node-RED/TTN-V3-MQTT-down.json]]
476 -
477 -Please refer to this video for specific operation steps: [[https:~~/~~/youtu.be/kms679e4m_Y>>https://youtu.be/kms679e4m_Y]]
407 +[[image:image-20240104104931-2.png]]
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