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 < 24.1 >
edited by Herong Lu
on 2022/05/25 19:01
To version < 36.1 >
edited by Herong Lu
on 2022/07/13 11:28
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17 17  Run below commands and wait for installation complete.
18 18  )))
19 19  
20 -[[image:image-20220519102228-2.png]]
20 +[[image:image-20220526161040-1.png]]
21 21  
22 22  **Verify if the installation was successful**
23 23  
... ... @@ -25,7 +25,7 @@
25 25  
26 26  The following information appears to prove that the installation has been successful
27 27  
28 -[[image:image-20220519103318-3.png]]
28 +[[image:image-20220526161103-2.png]]
29 29  
30 30  
31 31  === If you want to start Node-RED as a background process ===
... ... @@ -115,15 +115,138 @@
115 115  
116 116  == Plot Chart for sensors ==
117 117  
118 +If you need data visualization, please refer to the following
118 118  
120 +[[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"]]
121 +
122 +~1. Click Install
123 +2. Search the dashboard
124 +3. Click Install
125 +
126 +[[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"]]
127 +
128 +After the installation is successful, nodered will show the following node icon
129 +
130 +[[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"]]
131 +
132 +=== the line chart as an example ===
133 +
134 +Drag the line chart to the editing area
135 +
136 +Just drag and drop as many as you need, or you can copy
137 +
138 +The demo uses 3 kinds. Voltage, temperature, humidity
139 +
140 +[[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"]]
141 +
142 +double click function
143 +
144 +[[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"]]
145 +
146 +Adjusted to 3, because we need to display 3 charts
147 +
148 +[[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"]]
149 +
150 +=== the chart settings ===
151 +
152 +Double-click while setting up the node as above
153 +
154 +[[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"]]
155 +
156 +[[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"]]
157 +
158 +[[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"]]
159 +
160 +[[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"]]
161 +
162 +[[image:image-20220525185746-2.png]]
163 +
164 +[[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"]]
165 +
166 +After the display interface is defined for the first time, subsequent charts can directly select the display interface
167 +
168 +[[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"]]​​​​​​
169 +
170 +[[image:image-20220525190106-3.png]]
171 +
172 +Connect graph nodes to functions with lines
173 +
174 +Click to deploy
175 +
176 +[[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"]]
177 +
178 +Enter the server public IP + port 1880/ui
179 +
180 +example：[[http:~~/~~/xxx.xx.xx.xx:1880/ui>>url:http://119.91.62.30:1880/ui/#!/18?socketid=WY1MCE0RFEKHey8KAADj]]
181 +
182 +[[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"]]
183 +
184 +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.
185 +
119 119  == Store Value ==
120 120  
188 +Regarding storage, we recommend two ways
121 121  
190 +=== 1.Generate txt document directly ===
191 +
192 +Sample JSON file:链接转到示例JSON文件[[image:image-20220713102658-1.png]]
193 +
194 +=== 2.Use sqlite database ===
195 +
196 +==== 1.Install SQLite ====
197 +
198 +[[image:image-20220713111030-2.png]]
199 +
200 +==== 2.After the installation is successful, the nodes in the picture will appear ====
201 +
202 +[[image:image-20220713111200-3.png]]
203 +
204 +==== 3.Import sample flow ====
205 +
206 +
122 122  == Email Notification ==
123 123  
124 124  
125 125  = Input Flow =
126 126  
212 +Directly import JSON files to generate flow
213 +
214 +Download the required JSON file through this link: 提供一个链接
215 +
216 +Take LHT65 as an example  (this node is already registered with TTN,MQTT protocol to connect)
217 +
218 +[[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"]]
219 +
220 +[[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"]]
221 +
222 +[[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"]]
223 +
224 +[[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"]]
225 +
226 +After the import is successful, change the MQTT in node to your TTN information
227 +
228 +[[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"]]
229 +
230 +[[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"]]
231 +
232 +Configure information consistent with your TTN
233 +
234 +[[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"]]
235 +
236 +[[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"]]
237 +
238 +API keys generated by the password for you
239 +
240 +[[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"]]
241 +
242 +Topic modify it to the following format
243 +
244 +v3/(% style="color:red" %)Application ID(%%)@ttn/devices/(% style="color:red" %)End device ID(%%)/up
245 +
246 +[[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"]]
247 +
248 +After the modification is completed, click Deploy
249 +
127 127  == MQTT ==
128 128  
129 129  == UDP ==
image-20220526161040-1.png
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