Changes for page Node-RED_Install and Use
Last modified by Mengting Qiu on 2024/11/29 10:15
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... ... @@ -6,17 +6,19 @@ 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 == 16 16 17 -== =1.1.1Installation===16 +== 1.1 Install Example for CENTOS == 18 18 19 19 19 +=== 1.1.1 Installation === 20 + 21 + 20 20 (% class="box infomessage" %) 21 21 ((( 22 22 Reference Instruction from this link: [[https:~~/~~/github.com/node-red/linux-installers>>https://github.com/node-red/linux-installers]] ... ... @@ -35,9 +35,10 @@ 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 === 39 39 41 +=== 1.1.2 If you want to start Node-RED as a background process === 40 40 43 + 41 41 Type in the command line interface (% style="color:red" %)**nohup node-red &** 42 42 43 43 It will prompt after startup ... ... @@ -44,32 +44,27 @@ 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 54 -== 1.2 Install in Dragino Gataway == 55 55 58 +== 1.2 Install in Dragino Gataway == 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 IndoorLoRaWANGateway.>>https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]]61 +Dragino Gateway is already installed, no need for users to install it by themselves 60 60 61 -Other gateway model doesn't support built-in Node-Red server. 62 62 63 63 64 -= 2. GeneralUseofNode-RED =65 += 2. Use Node-RED = 65 65 66 66 67 - Thissectiondescribes some basicfeaturesofNode-RED.For moreinfo please checkthe[[Node-RED official document>>https://nodered.org/]].68 +== 2.1 Login to Node-RED interface == 68 68 69 69 70 -== 2.1 Login to Node-RED interface == 71 - 72 - 73 73 Enter your public IP address followed by the port number 1880 74 74 75 75 example:[[http:~~/~~/xxx.xx.xx.xx:1880/>>http://119.91.62.30:1880/]] ... ... @@ -77,9 +77,10 @@ 77 77 [[image:image-20220519104115-4.png||height="280" width="768"]] 78 78 79 79 80 -== 2.2 Add flow == 81 81 79 +== 2.2 Add flow == 82 82 81 + 83 83 Take NBSN95 mod1 UDP protocol as an example 84 84 85 85 After logging into the interface click** (% style="color:red" %)"+" (%%)**to create a flow ... ... @@ -101,6 +101,7 @@ 101 101 Drag UDP into the editing area 102 102 103 103 103 + 104 104 [[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"]] 105 105 106 106 ... ... @@ -109,6 +109,7 @@ 109 109 [[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"]] 110 110 111 111 112 + 112 112 configure UDP in 113 113 114 114 [[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"]] ... ... @@ -137,46 +137,53 @@ 137 137 [[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"]] 138 138 139 139 141 + 140 140 When the node successfully sends data, the effect shown in the following figure will appear 141 141 142 142 [[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"]] 143 143 144 144 145 -=== 2.2.1 About function === 146 146 148 +=== 2.2.1 About function === 147 147 150 + 148 148 If you are familiar with JS code, you can write it yourself 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 .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 150 150 154 + 151 151 [[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"]] 152 152 153 153 154 -== 2.3 Plot Chart for sensors == 155 155 159 +== 2.3 Plot Chart for sensors == 156 156 161 + 157 157 If you need data visualization, please refer to the following 158 158 164 + 159 159 [[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"]] 160 160 161 161 162 -(% style="color:blue" %)**1. Click Install** 163 163 164 -(% style="color:blue" %)**2. Search the dashboard** 169 +(% style="color:blue" %)**1. Click Install 170 +2. Search the dashboard 171 +3. Click Install** 165 165 166 -(% style="color:blue" %)**3. Click Install** 167 167 168 168 169 169 [[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"]] 170 170 171 171 178 + 172 172 After the installation is successful, nodered will show the following node icon 173 173 174 174 [[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"]] 175 175 176 176 177 -=== 2.3.1 the line chart as an example === 178 178 185 +=== 2.3.1 the line chart as an example === 179 179 187 + 180 180 Drag the line chart to the editing area 181 181 182 182 Just drag and drop as many as you need, or you can copy ... ... @@ -201,9 +201,10 @@ 201 201 [[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"]] 202 202 203 203 204 -=== 2.3.2 the chart settings === 205 205 213 +=== 2.3.2 the chart settings === 206 206 215 + 207 207 Double-click while setting up the node as above 208 208 209 209 ... ... @@ -256,23 +256,26 @@ 256 256 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. 257 257 258 258 259 -== 2.4 Store Value == 260 260 269 +== 2.4 Store Value == 261 261 271 + 262 262 Regarding storage, we recommend two ways. 263 263 264 264 265 -=== 2.4.1 (% style="display:none" %) (%%)Method 1: Generate txt document directly === 266 266 276 +=== 2.4.1 1. Generate txt document directly === 267 267 268 -Sample JSON file: [[https:~~/~~/www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0>>https://www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0]] 269 269 279 +Sample JSON file:链接转到示例JSON文件 280 + 270 270 [[image:image-20220713102658-1.png||height="346" width="728"]] 271 271 272 272 273 -=== 2.4.2 Method 2: Use sqlite database === 274 274 285 +=== 2.4.2 2. Use sqlite database === 275 275 287 + 276 276 ==== (% style="color:blue" %)**1. Install SQLite**(%%) ==== 277 277 278 278 ... ... @@ -292,18 +292,19 @@ 292 292 293 293 Refer to the import example below to import the sqlite example flow 294 294 295 -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]]307 +Download sample JSON file link: 链接 296 296 297 297 298 -= 3. Import Input Flow for Dragino Sensors = 299 299 311 += 3. Input Flow = 300 300 301 -Dragino provides input flow examples for the sensors. 302 302 303 - Useran downloadthe requiredJSON file through[[Dragino Node-RED input flowtemplate>>https://github.com/dragino/dragino-end-node-decoder]].314 +Directly import JSON files to generate flow 304 304 305 - Take LHT65 as anexample(Assumethis nodeis already registeredwith TTN,MQTTprotocoltoconnect)316 +Download the required JSON file through this link: 提供一个链接 306 306 318 +Take LHT65 as an example (this node is already registered with TTN,MQTT protocol to connect) 319 + 307 307 [[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"]] 308 308 309 309 [[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"]] ... ... @@ -340,70 +340,3 @@ 340 340 [[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"]] 341 341 342 342 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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