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 < 38.1 >
edited by Herong Lu
on 2022/07/26 08:56
To version < 21.1 >
edited by Herong Lu
on 2022/05/25 18:43
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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]]
... ... @@ -25,315 +25,120 @@
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  
60 -Dragino Gateway is already installed, no need for users to install it by themselves
50 +== Login to Node-RED interface ==
61 61  
62 -
63 -= 2.  Use Node-RED =
64 -
65 -
66 -== 2.1  Login to Node-RED interface ==
67 -
68 -
69 69  Enter your public IP address followed by the port number 1880
70 70  
71 71  example：[[http:~~/~~/xxx.xx.xx.xx:1880/>>http://119.91.62.30:1880/]]
72 72  
73 -[[image:image-20220519104115-4.png||height="280" width="768"]]
56 +[[image:image-20220519104115-4.png||height="352" width="969"]]
74 74  
75 75  
59 +== Add flow ==
76 76  
77 -== 2.2  Add flow ==
78 -
79 -
80 80  Take NBSN95 mod1 UDP protocol as an example
81 81  
82 -After logging into the interface click** (% style="color:red" %)"+" (%%)**to create a flow
63 +After logging into the interface click '+' to create a flow
83 83  
84 -[[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"]]
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"]]
85 85  
86 -
87 -
88 88  Rename the stream
89 89  
90 -[[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"]]
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"]]
91 91  
92 -[[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"]]
71 +[[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"]]
93 93  
94 94  [[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"]]
95 95  
96 96  Drag UDP into the editing area
97 97  
98 -
99 -
100 100  [[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"]]
101 101  
102 -
103 103  The same method as above, drag and drop functions and debug into the editing area
104 104  
105 -[[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"]]
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"]]
106 106  
107 -
108 -
109 109  configure UDP in
110 110  
111 -[[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"]]
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"]]
112 112  
113 -
114 114  Write to the UDP port that the device node sends to the server
115 115  
116 116  Example My UDP device node sends to server port 8585
117 117  just write 8585
118 118  
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.
119 119  
120 -(% 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.**
121 -
122 -
123 123  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.
124 124  
125 -[[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" height="415" width="735"]]
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"]]
126 126  
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"]]
127 127  
128 -[[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" height="348" width="779"]]
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"]]
129 129  
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"]]
130 130  
131 -[[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" height="437" width="744"]]
132 -
133 -
134 -[[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"]]
135 -
136 -
137 -
138 138  When the node successfully sends data, the effect shown in the following figure will appear
139 139  
140 -[[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"]]
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"]]
141 141  
108 +=== About function ===
142 142  
143 -
144 -=== 2.2.1  About function ===
145 -
146 -
147 147  If you are familiar with JS code, you can write it yourself
148 148  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
149 149  
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"]]
150 150  
151 -[[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"]]
152 152  
116 +== Plot Chart for sensors ==
153 153  
154 154  
155 -== 2.3  Plot Chart for sensors ==
119 +== Store Value ==
156 156  
157 157  
158 -If you need data visualization, please refer to the following
122 +== Email Notification ==
159 159  
160 160  
161 -[[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"]]
125 += Input Flow =
162 162  
127 +== MQTT ==
163 163  
129 +== UDP ==
164 164  
165 -(% style="color:blue" %)**1. Click Install
166 -2. Search the dashboard
167 -3. Click Install**
131 +== TCP ==
168 168  
133 +== Get data from LoRaWAN Server (TTN) ==
169 169  
170 170  
171 -[[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"]]
172 -
173 -
174 -
175 -After the installation is successful, nodered will show the following node icon
176 -
177 -[[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"]]
178 -
179 -
180 -
181 -=== 2.3.1  the line chart as an example ===
182 -
183 -
184 -Drag the line chart to the editing area
185 -
186 -Just drag and drop as many as you need, or you can copy
187 -
188 -The demo uses 3 kinds. Voltage, temperature, humidity
189 -
190 -
191 -[[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"]]
192 -
193 -
194 -
195 -double click function
196 -
197 -
198 -[[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"]]
199 -
200 -
201 -
202 -Adjusted to 3, because we need to display 3 charts
203 -
204 -
205 -[[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"]]
206 -
207 -
208 -
209 -=== 2.3.2  the chart settings ===
210 -
211 -
212 -Double-click while setting up the node as above
213 -
214 -
215 -[[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" height="703" width="729"]]
216 -
217 -
218 -[[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" height="501" width="727"]]
219 -
220 -
221 -[[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" height="554" width="722"]]
222 -
223 -
224 -[[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" height="444" width="721"]]
225 -
226 -
227 -[[image:image-20220525185746-2.png||height="421" width="724"]]
228 -
229 -
230 -[[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"]]
231 -
232 -
233 -
234 -After the display interface is defined for the first time, subsequent charts can directly select the display interface
235 -
236 -
237 -[[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"]]
238 -
239 -​​​​​​
240 -
241 -[[image:image-20220525190106-3.png||height="575" width="724"]]
242 -
243 -
244 -
245 -Connect graph nodes to functions with lines
246 -
247 -Click to deploy
248 -
249 -
250 -[[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"]]
251 -
252 -Enter the server public IP + port 1880/ui
253 -
254 -example：[[http:~~/~~/xxx.xx.xx.xx:1880/ui>>url:http://119.91.62.30:1880/ui/#!/18?socketid=WY1MCE0RFEKHey8KAADj]]
255 -
256 -
257 -
258 -[[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"]]
259 -
260 -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.
261 -
262 -
263 -
264 -== 2.4  Store Value ==
265 -
266 -
267 -Regarding storage, we recommend two ways.
268 -
269 -
270 -
271 -=== 2.4.1  1. Generate txt document directly ===
272 -
273 -Sample JSON file:链接转到示例JSON文件
274 -
275 -[[image:image-20220713102658-1.png||height="346" width="728"]]
276 -
277 -
278 -
279 -=== 2.4.2  2. Use sqlite database ===
280 -
281 -
282 -==== (% style="color:blue" %)**1.  Install SQLite**(%%) ====
283 -
284 -
285 -[[image:image-20220713111030-2.png||height="438" width="739"]]
286 -
287 -
288 -
289 -==== (% style="color:blue" %)**2.  After the installation is successful, the nodes in the picture will appear**(%%) ====
290 -
291 -
292 -[[image:image-20220713111200-3.png]]
293 -
294 -
295 -
296 -==== (% style="color:blue" %)**3.  Import sample flow**(%%) ====
297 -
298 -
299 -
300 -= 3.  Input Flow =
301 -
302 -
303 -Directly import JSON files to generate flow
304 -
305 -Download the required JSON file through this link: 提供一个链接
306 -
307 -Take LHT65 as an example  (this node is already registered with TTN,MQTT protocol to connect)
308 -
309 -[[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"]]
310 -
311 -[[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"]]
312 -
313 -[[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" height="443" width="773"]]
314 -
315 -[[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" height="568" width="768"]]
316 -
317 -After the import is successful, change the MQTT in node to your TTN information
318 -
319 -[[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" height="643" width="772"]]
320 -
321 -[[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"]]
322 -
323 -Configure information consistent with your TTN
324 -
325 -[[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"]]
326 -
327 -[[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"]]
328 -
329 -API keys generated by the password for you
330 -
331 -[[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"]]
332 -
333 -Topic modify it to the following format
334 -
335 -v3/(% style="color:red" %)Application ID(%%)@ttn/devices/(% style="color:red" %)End device ID(%%)/up
336 -
337 -[[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"]]
338 -
339 -After the modification is completed, click Deploy
136 += Example =
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