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 +44,25 @@ 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 fromDragino alreadyhaveNode-Redinstalledbydefault.Usersno needto install it by themselves.60 +Dragino Gateway is already installed, no need for users to install it by themselves 58 58 59 -* [[LPS8v2 Indoor LoRaWAN Gateway. >>https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] 60 60 61 - Othergatewaymodeldoesn't support built-inNode-Redserver.63 += 2. Use Node-RED = 62 62 63 63 64 -= 2. GeneralUseofNode-RED =66 +== 2.1 Login to Node-RED interface == 65 65 66 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 -== 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/]] ... ... @@ -77,34 +77,42 @@ 77 77 [[image:image-20220519104115-4.png||height="280" width="768"]] 78 78 79 79 80 -== 2.2 Add flow == 81 81 77 +== 2.2 Add flow == 82 82 79 + 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 86 86 87 -[[image:image-202 41119101328-1.png||height="460" width="970"]]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"]] 88 88 89 -Rename the stream 90 90 91 91 88 +Rename the stream 92 92 93 -[[image:image-202 41119101551-2.png||height="465" width="979"]]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"]] 94 94 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"]] 95 95 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 + 96 96 Drag UDP into the editing area 97 97 98 -[[image:image-20241119101952-3.png||height="466" width="983"]] 99 99 100 100 100 +[[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 + 102 + 101 101 The same method as above, drag and drop functions and debug into the editing area 102 102 103 -[[image:image-202 41119102218-4.png||height="468" width="986"]]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"]] 104 104 107 + 108 + 105 105 configure UDP in 106 106 107 -[[image:image-202411191 03312-7.png||height="470" width="991"]]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"]] 108 108 109 109 110 110 Write to the UDP port that the device node sends to the server ... ... @@ -118,49 +118,65 @@ 118 118 119 119 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. 120 120 121 -[[image:image-202 41119105123-9.png||height="557" width="995"]]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"]] 122 122 123 123 128 +[[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"]] 129 + 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 + 124 124 When the node successfully sends data, the effect shown in the following figure will appear 125 125 126 -[[image:image-20241119104 939-8.png||height="473" width="996"]]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"]] 127 127 128 128 129 -=== 2.2.1 About function === 130 130 144 +=== 2.2.1 About function === 131 131 146 + 132 132 If you are familiar with JS code, you can write it yourself 133 -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 .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 134 134 150 + 135 135 [[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"]] 136 136 137 137 138 -== 2.3 Plot Chart for sensors == 139 139 155 +== 2.3 Plot Chart for sensors == 140 140 157 + 141 141 If you need data visualization, please refer to the following 142 142 160 + 143 143 [[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"]] 144 144 145 145 146 -(% style="color:blue" %)**1. Click Install** 147 147 148 -(% style="color:blue" %)**2. Search the dashboard** 165 +(% style="color:blue" %)**1. Click Install 166 +2. Search the dashboard 167 +3. Click Install** 149 149 150 -(% style="color:blue" %)**3. Click Install** 151 151 152 152 153 -[[image:image-202 41119110335-11.png||height="483" width="1018"]]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"]] 154 154 155 155 174 + 156 156 After the installation is successful, nodered will show the following node icon 157 157 158 -[[image:image-202 41119110539-12.png||height="484" width="1020"]]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"]] 159 159 160 160 161 -=== 2.3.1 the line chart as an example === 162 162 181 +=== 2.3.1 the line chart as an example === 163 163 183 + 164 164 Drag the line chart to the editing area 165 165 166 166 Just drag and drop as many as you need, or you can copy ... ... @@ -167,22 +167,28 @@ 167 167 168 168 The demo uses 3 kinds. Voltage, temperature, humidity 169 169 190 + 170 170 [[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"]] 171 171 172 172 194 + 173 173 double click function 174 174 197 + 175 175 [[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"]] 176 176 177 177 201 + 178 178 Adjusted to 3, because we need to display 3 charts 179 179 204 + 180 180 [[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"]] 181 181 182 182 183 -=== 2.3.2 the chart settings === 184 184 209 +=== 2.3.2 the chart settings === 185 185 211 + 186 186 Double-click while setting up the node as above 187 187 188 188 ... ... @@ -204,8 +204,10 @@ 204 204 [[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"]] 205 205 206 206 233 + 207 207 After the display interface is defined for the first time, subsequent charts can directly select the display interface 208 208 236 + 209 209 [[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"]] 210 210 211 211 ... ... @@ -213,10 +213,12 @@ 213 213 [[image:image-20220525190106-3.png||height="575" width="724"]] 214 214 215 215 244 + 216 216 Connect graph nodes to functions with lines 217 217 218 218 Click to deploy 219 219 249 + 220 220 [[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"]] 221 221 222 222 Enter the server public IP + port 1880/ui ... ... @@ -224,29 +224,31 @@ 224 224 example:[[http:~~/~~/xxx.xx.xx.xx:1880/ui>>url:http://119.91.62.30:1880/ui/#!/18?socketid=WY1MCE0RFEKHey8KAADj]] 225 225 226 226 257 + 227 227 [[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"]] 228 228 229 - 230 230 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. 231 231 232 232 233 -== 2.4 Store Value == 234 234 264 +== 2.4 Store Value == 235 235 266 + 236 236 Regarding storage, we recommend two ways. 237 237 238 238 239 -=== 2.4.1 (% style="display:none" %) (%%)Method 1: Generate txt document directly === 240 240 271 +=== 2.4.1 1. Generate txt document directly === 241 241 242 -Sample JSON file: [[https:~~/~~/www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0>>https://www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0]]273 +Sample JSON file:链接转到示例JSON文件 243 243 244 244 [[image:image-20220713102658-1.png||height="346" width="728"]] 245 245 246 246 247 -=== 2.4.2 Method 2: Use sqlite database === 248 248 279 +=== 2.4.2 2. Use sqlite database === 249 249 281 + 250 250 ==== (% style="color:blue" %)**1. Install SQLite**(%%) ==== 251 251 252 252 ... ... @@ -264,20 +264,16 @@ 264 264 ==== (% style="color:blue" %)**3. Import sample flow**(%%) ==== 265 265 266 266 267 -Refer to the import example below to import the sqlite example flow 268 268 269 - DownloadsampleJSON 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 = 270 270 271 271 272 - =3. ImportInputFlowforDragino Sensors=303 +Directly import JSON files to generate flow 273 273 305 +Download the required JSON file through this link: 提供一个链接 274 274 275 - Dragino providesinputflowexamplesforthe sensors.307 +Take LHT65 as an example (this node is already registered with TTN,MQTT protocol to connect) 276 276 277 -User can download the required JSON file through [[Dragino Node-RED input flow template>>https://github.com/dragino/dragino-end-node-decoder]]. 278 - 279 -Take LHT65 as an example (Assume this node is already registered with TTN, MQTT protocol to connect) 280 - 281 281 [[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"]] 282 282 283 283 [[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"]] ... ... @@ -292,8 +292,6 @@ 292 292 293 293 [[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"]] 294 294 295 - 296 - 297 297 Configure information consistent with your TTN 298 298 299 299 [[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"]] ... ... @@ -300,13 +300,10 @@ 300 300 301 301 [[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"]] 302 302 303 - 304 - 305 305 API keys generated by the password for you 306 306 307 307 [[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"]] 308 308 309 - 310 310 Topic modify it to the following format 311 311 312 312 v3/(% style="color:red" %)Application ID(%%)@ttn/devices/(% style="color:red" %)End device ID(%%)/up ... ... @@ -314,155 +314,3 @@ 314 314 [[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"]] 315 315 316 316 After the modification is completed, click Deploy 317 - 318 - 319 -= 4. Add Dragino node = 320 - 321 - 322 -Please do not modify the code anywhere to avoid any exceptions 323 - 324 -The prerequisite is to install the Dragino node and the sqlite node dashboard node 325 - 326 -The echarts library is placed in the static file of node red 327 - 328 -Reference link: [[https:~~/~~/nodered.org/docs/user-guide/runtime/configuration>>]] 329 - 330 -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]] 331 - 332 - 333 -== 4.1 Installing Dragino nodes == 334 - 335 - 336 -[[image:image-20240104095739-1.png||height="662" width="662"]] 337 - 338 -[[image:image-20240104100026-2.png]] 339 - 340 -[[image:image-20240104100109-3.png]] 341 - 342 - 343 -== 4.2 Import General Flow == 344 - 345 - 346 -[[image:image-20240104100340-4.png]] 347 - 348 -[[image:image-20240104100446-5.png||height="407" width="885"]] 349 - 350 -Please refer to the previous chapters for MQTT settings and sqlite installation settings 351 - 352 - 353 -== 4.3 Using flow == 354 - 355 - 356 -Just double-click on the drag ino decoder node and select it from the dropdown menu 357 - 358 -Corresponding nodes are sufficient 359 - 360 -[[image:image-20240104100928-6.png||height="439" width="755"]] 361 - 362 -Setting the template node 363 - 364 -[[image:image-20240104101446-8.png]] 365 - 366 -When multiple nodes are needed in the same process 367 - 368 -[[image:image-20240104103636-1.png]] 369 - 370 -If using the NodeRed that comes with the Dragino gateway 371 - 372 -Change to the following path 373 - 374 -"/static/echarts.min.js" 375 - 376 -[[image:image-20240110153029-1.png]] 377 - 378 - 379 -After setting up, select deployment 380 - 381 -[[image:image-20240104101346-7.png||height="242" width="724"]] 382 - 383 -Enter the server public IP + port 1880/ui 384 - 385 -example:[[http:~~/~~/xxx.xx.xx.xx:1880/ui>>url:http://119.91.62.30:1880/ui/#!/18?socketid=WY1MCE0RFEKHey8KAADj]] 386 - 387 -You can see the UI display effect in the following picture 388 - 389 -[[image:image-20240104104931-2.png||height="737" width="1131"]] 390 - 391 - 392 -= 5. FAQ = 393 - 394 -== 5.1 How to use Node-Red to schedule downlink to ChirpStack LoRaWAN Server? == 395 - 396 -=== 5.1.1 Install node-red-node-base64 === 397 - 398 - 399 -[[image:image-20240222154204-1.png||height="456" width="983"]] 400 - 401 -[[image:image-20240222154819-3.png||height="469" width="990"]] 402 - 403 - 404 -=== 5.1.2 Import Example Flow === 405 - 406 - 407 -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]] 408 - 409 -[[image:image-20240222155121-4.png||height="495" width="1017"]] 410 - 411 -[[image:image-20240222155239-5.png||height="497" width="1020"]] 412 - 413 - 414 -=== 5.1.3 Establish connection === 415 - 416 - 417 -Setting up the server: 418 - 419 -[[image:image-20240222160019-7.png||height="413" width="955"]] 420 - 421 -[[image:image-20240222160223-8.png||height="416" width="956"]] 422 - 423 -[[image:image-20240222160347-9.png||height="426" width="963"]] 424 - 425 -Change the theme to Application lD and DevEUl for ChirpStack: 426 - 427 -[[image:image-20240222160712-10.png||height="429" width="988"]] 428 - 429 -[[image:image-20240222160735-11.png||height="417" width="984"]] 430 - 431 -[[image:image-20240222160842-12.png||height="387" width="992"]] 432 - 433 -And then, 434 - 435 -[[image:image-20240222161010-13.png||height="454" width="997"]] 436 - 437 -[[image:image-20240222161147-14.png||height="478" width="1002"]] 438 - 439 -Connection established successfully: 440 - 441 -[[image:image-20240222161252-15.png||height="412" width="1001"]] 442 - 443 - 444 -=== 5.1.4 Input downlink command === 445 - 446 - 447 -[[image:image-20240222161614-16.png||height="465" width="997"]] 448 - 449 -[[image:image-20240222161937-17.png||height="472" width="997"]] 450 - 451 - 452 -Example action video:[[https:~~/~~/youtu.be/Lqm-k5nQ5eU>>https://youtu.be/Lqm-k5nQ5eU]] 453 - 454 - 455 -== 5.2 How to use Node-Red to schedule downlink to TTN-V3 LoRaWAN Server? == 456 - 457 -=== 5.2.1 Reference 5.1.1 Installing base64 nodes === 458 - 459 -=== 5.2.2 Import Example Flow === 460 - 461 - 462 -Reference 5.1.2 463 - 464 -Taking LT-222222-L as an example 465 - 466 -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]] 467 - 468 -Please refer to this video for specific operation steps: [[https:~~/~~/youtu.be/kms679e4m_Y>>https://youtu.be/kms679e4m_Y]]
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