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 < 44.1 >
edited by Herong Lu
on 2024/01/04 10:00
To version < 38.1 >
edited by Herong Lu
on 2022/07/26 08:56
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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 +
15 15  == 1.1  Install Example for CENTOS ==
16 16  
18 +
17 17  === 1.1.1  Installation ===
18 18  
19 19  
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35 35  [[image:image-20220526161103-2.png]]
36 36  
37 37  
40 +
38 38  === 1.1.2  If you want to start Node-RED as a background process ===
39 39  
40 40  
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44 44  
45 45  [[image:image-20220519104601-5.png]]
46 46  
47 -After seeing the above information, press **enter.**
50 +After seeing the above information, press **enter**
48 48  
49 -Type in the command line  exit.
52 +Type in the command line  exit
50 50  
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.
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
52 52  
53 53  
57 +
54 54  == 1.2  Install in Dragino Gataway ==
55 55  
60 +Dragino Gateway is already installed, no need for users to install it by themselves
56 56  
57 -The below models from Dragino already have Node-Red installed by default. Users no need to install it by themselves.
58 58  
59 -* [[LPS8v2 Indoor LoRaWAN Gateway. >>https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]]
63 += 2.  Use Node-RED =
60 60  
61 -Other gateway model doesn't support built-in Node-Red server.
62 62  
63 -
64 -= 2.  General Use of  Node-RED =
65 -
66 -
67 -This section describes some basic features of Node-RED. For more info please check the [[Node-RED official document>>https://nodered.org/]].
68 -
69 -
70 70  == 2.1  Login to Node-RED interface ==
71 71  
72 72  
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77 77  [[image:image-20220519104115-4.png||height="280" width="768"]]
78 78  
79 79  
76 +
80 80  == 2.2  Add flow ==
81 81  
82 82  
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92 92  
93 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"]]
94 94  
95 -
96 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"]]
97 97  
98 -
99 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"]]
100 100  
101 101  Drag UDP into the editing area
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145 145  [[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"]]
146 146  
147 147  
143 +
148 148  === 2.2.1  About function ===
149 149  
150 150  
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155 155  [[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"]]
156 156  
157 157  
154 +
158 158  == 2.3  Plot Chart for sensors ==
159 159  
160 160  
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165 165  
166 166  
167 167  
168 -(% style="color:blue" %)**1. Click Install**
165 +(% style="color:blue" %)**1. Click Install
166 +2. Search the dashboard
167 +3. Click Install**
169 169  
170 -(% style="color:blue" %)**2. Search the dashboard**
171 171  
172 -(% style="color:blue" %)**3. Click Install**
173 173  
174 -
175 -
176 176  [[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"]]
177 177  
178 178  
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182 182  [[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"]]
183 183  
184 184  
180 +
185 185  === 2.3.1  the line chart as an example ===
186 186  
187 187  
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209 209  [[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"]]
210 210  
211 211  
208 +
212 212  === 2.3.2  the chart settings ===
213 213  
214 214  
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260 260  
261 261  [[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"]]
262 262  
263 -
264 264  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.
265 265  
266 266  
263 +
267 267  == 2.4  Store Value ==
268 268  
269 269  
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270 270  Regarding storage, we recommend two ways.
271 271  
272 272  
270 +
273 273  === 2.4.1  1. Generate txt document directly ===
274 274  
273 +Sample JSON file:链接转到示例JSON文件
275 275  
276 -Sample JSON file: [[https:~~/~~/www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0>>https://www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0]]
277 -
278 278  [[image:image-20220713102658-1.png||height="346" width="728"]]
279 279  
280 280  
278 +
281 281  === 2.4.2  2. Use sqlite database ===
282 282  
283 283  
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298 298  ==== (% style="color:blue" %)**3.  Import sample flow**(%%) ====
299 299  
300 300  
301 -Refer to the import example below to import the sqlite example flow
302 302  
303 -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]]
300 += 3.  Input Flow =
304 304  
305 305  
306 -= 3.  Import Input Flow for Dragino Sensors =
303 +Directly import JSON files to generate flow
307 307  
305 +Download the required JSON file through this link: 提供一个链接
308 308  
309 -Dragino provides input flow examples for the sensors.
307 +Take LHT65 as an example  (this node is already registered with TTN,MQTT protocol to connect)
310 310  
311 -User can download the required JSON file through [[Dragino Node-RED input flow template>>https://github.com/dragino/dragino-end-node-decoder]].
312 -
313 -Take LHT65 as an example  (Assume this node is already registered with TTN, MQTT protocol to connect)
314 -
315 315  [[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"]]
316 316  
317 317  [[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"]]
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326 326  
327 327  [[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" height="648" width="773"]]
328 328  
329 -
330 -
331 331  Configure information consistent with your TTN
332 332  
333 333  [[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" height="349" width="758"]]
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334 334  
335 335  [[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" height="376" width="758"]]
336 336  
337 -
338 -
339 339  API keys generated by the password for you
340 340  
341 341  [[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" height="370" width="759"]]
342 342  
343 -
344 344  Topic modify it to the following format
345 345  
346 346  v3/(% style="color:red" %)Application ID(%%)@ttn/devices/(% style="color:red" %)End device ID(%%)/up
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