Changes for page Node-RED_Install and Use
Last modified by Mengting Qiu on 2024/11/29 10:15
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... ... @@ -1,70 +1,88 @@ 1 1 (% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %) 2 - ** 内容:**2 + **Table of** **Contents:** 3 3 4 4 {{toc/}} 5 5 6 -= 安装 = 7 7 8 -从此链接检查不同操作系统的安装说明:[[https :~~/~~/nodered.org/docs/getting-started/>>https://nodered.org/docs/getting-started/]] 9 9 10 -== CENTOS 的安装示例 == 11 11 12 -= ==安装===9 += 1. Installation = 13 13 11 + 12 +Check installation instruction for different OS from this link: [[https:~~/~~/nodered.org/docs/getting-started/>>https://nodered.org/docs/getting-started/]] 13 + 14 + 15 + 16 +== 1.1 Install Example for CENTOS == 17 + 18 + 19 +=== 1.1.1 Installation === 20 + 21 + 14 14 (% class="box infomessage" %) 15 15 ((( 16 - 此链接的参考说明:17 - :~/~/github.com/node-red/linux-installers运行以下命令并等待安装完成。24 +Reference Instruction from this link: [[https:~~/~~/github.com/node-red/linux-installers>>https://github.com/node-red/linux-installers]] 25 +Run below commands and wait for installation complete. 18 18 ))) 19 19 20 -[[image:image-2022051 9102228-2.png]]28 +[[image:image-20220526161040-1.png]] 21 21 22 -**验证是否安装成功** 23 23 24 - 在命令行界面输入node-red31 +(% style="color:blue" %)**Verify if the installation was successful** 25 25 26 - 出现以下信息证明安装成功33 +Type in the command line interface ** (% style="color:red" %)node-red(%%)**(% style="color:red" %) 27 27 28 - [[image:image-20220519103318-3.png]]35 +The following information appears to prove that the installation has been successful 29 29 37 +[[image:image-20220526161103-2.png]] 30 30 31 -=== 如果要将 Node-RED 作为后台进程启动 === 32 32 33 -在命令行界面输入 nohup node-red & 34 34 35 - 启动后会提示41 +=== 1.1.2 If you want to start Node-RED as a background process === 36 36 43 + 44 +Type in the command line interface (% style="color:red" %)**nohup node-red &** 45 + 46 +It will prompt after startup 47 + 37 37 [[image:image-20220519104601-5.png]] 38 38 39 - 看到以上信息后,按回车50 +After seeing the above information, press **enter** 40 40 41 - 输入命令行退出52 +Type in the command line exit 42 42 43 - 以上就是nodered的安装和启动过程。有什么不懂的可以去nodered官网看看。有各种系统的安装说明。地址顶部有链接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 44 44 45 -== 在 Dragino Gataway 中安装 == 46 46 47 47 48 -= 使用Node-RED =58 +== 1.2 Install in Dragino Gataway == 49 49 50 -== 登录 Node-RED 界面 == 51 51 52 -输入您的公共 IP 地址,后跟端口号 1880 53 53 54 - 例子:[[http:~~/~~/xxx.xx.xx.xx:1880/>>http://119.91.62.30:1880/]]62 += 2. Use Node-RED = 55 55 64 + 65 +== 2.1 Login to Node-RED interface == 66 + 67 + 68 +Enter your public IP address followed by the port number 1880 69 + 70 +example:[[http:~~/~~/xxx.xx.xx.xx:1880/>>http://119.91.62.30:1880/]] 71 + 56 56 [[image:image-20220519104115-4.png||height="352" width="969"]] 57 57 58 58 59 -== 添加流 == 60 60 61 - 以NBSN95mod1UDP协议为例76 +== 2.2 Add flow == 62 62 63 -登录界面后点击“+”创建流程 64 64 79 +Take NBSN95 mod1 UDP protocol as an example 80 + 81 +After logging into the interface click '+' to create a flow 82 + 65 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"]] 66 66 67 - 重命名流85 +Rename the stream 68 68 69 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"]] 70 70 ... ... @@ -72,26 +72,26 @@ 72 72 73 73 [[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"]] 74 74 75 - 将UDP拖入编辑区93 +Drag UDP into the editing area 76 76 77 77 [[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"]] 78 78 79 - 方法同上,拖拽函数和调试到编辑区97 +The same method as above, drag and drop functions and debug into the editing area 80 80 81 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"]] 82 82 83 - 配置UDP101 +configure UDP in 84 84 85 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"]] 86 86 87 - 写入设备节点发送给服务器的UDP端口105 +Write to the UDP port that the device node sends to the server 88 88 89 - 示例我的UDP设备节点发送到服务器端口858590 - 只需写入8585107 +Example My UDP device node sends to server port 8585 108 +just write 8585 91 91 92 - 请注意,不能使用已在使用的端口。如果接收失败,需要检查服务器的端口是否被占用。设备节点的发送端口不应使用服务器默认使用的端口,如8080等常用端口。110 +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. 93 93 94 - 为了避免数据混淆,不同类型的节点不使用相同的UDP端口,因为不同的节点有不同的数据格式和不同的功能。112 +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. 95 95 96 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"]] 97 97 ... ... @@ -101,36 +101,176 @@ 101 101 102 102 [[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"]] 103 103 104 - 当节点发送数据成功后,会出现下图的效果122 +When the node successfully sends data, the effect shown in the following figure will appear 105 105 106 106 [[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"]] 107 107 108 -=== 关于功能 === 109 109 110 -如果你熟悉JS代码,可以自己写 111 -如果你不熟悉,我们有每种节点的JS代码,你只需要复制粘贴进去 112 112 128 +=== 2.2.1 About function === 129 + 130 + 131 +If you are familiar with JS code, you can write it yourself 132 +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 133 + 113 113 [[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"]] 114 114 115 115 116 -== 传感器绘图图 == 117 117 138 +== 2.3 Plot Chart for sensors == 118 118 119 -== 存储价值 == 120 120 141 +If you need data visualization, please refer to the following 121 121 122 -== 电子邮件通知 == 123 123 144 +[[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"]] 124 124 125 -= 输入流 = 146 +~1. Click Install 147 +2. Search the dashboard 148 +3. Click Install 126 126 127 - ==MQTT==150 +[[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"]] 128 128 129 - ==UDP==152 +After the installation is successful, nodered will show the following node icon 130 130 131 -== TCP ==154 +[[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"]] 132 132 133 -== 从 LoRaWAN 服务器 (TTN) 获取数据 == 134 134 135 135 136 -= 例子 = 158 +=== 2.3.1 the line chart as an example === 159 + 160 + 161 +Drag the line chart to the editing area 162 + 163 +Just drag and drop as many as you need, or you can copy 164 + 165 +The demo uses 3 kinds. Voltage, temperature, humidity 166 + 167 +[[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"]] 168 + 169 +double click function 170 + 171 +[[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"]] 172 + 173 +Adjusted to 3, because we need to display 3 charts 174 + 175 +[[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"]] 176 + 177 + 178 + 179 +=== 2.3.2 the chart settings === 180 + 181 + 182 +Double-click while setting up the node as above 183 + 184 +[[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"]] 185 + 186 +[[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"]] 187 + 188 +[[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"]] 189 + 190 +[[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"]] 191 + 192 +[[image:image-20220525185746-2.png]] 193 + 194 +[[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"]] 195 + 196 +After the display interface is defined for the first time, subsequent charts can directly select the display interface 197 + 198 +[[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"]] 199 + 200 +[[image:image-20220525190106-3.png]] 201 + 202 +Connect graph nodes to functions with lines 203 + 204 +Click to deploy 205 + 206 +[[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"]] 207 + 208 +Enter the server public IP + port 1880/ui 209 + 210 +example:[[http:~~/~~/xxx.xx.xx.xx:1880/ui>>url:http://119.91.62.30:1880/ui/#!/18?socketid=WY1MCE0RFEKHey8KAADj]] 211 + 212 +[[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"]] 213 + 214 +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. 215 + 216 + 217 + 218 +== 2.4 Store Value == 219 + 220 + 221 +Regarding storage, we recommend two ways 222 + 223 + 224 + 225 +=== 2.4.1 1. Generate txt document directly === 226 + 227 +Sample JSON file:链接转到示例JSON文件[[image:image-20220713102658-1.png]] 228 + 229 + 230 + 231 +=== 2.4.2 2. Use sqlite database === 232 + 233 + 234 +==== **1. Install SQLite** ==== 235 + 236 + 237 +[[image:image-20220713111030-2.png]] 238 + 239 + 240 + 241 +==== **2. After the installation is successful, the nodes in the picture will appear** ==== 242 + 243 + 244 +[[image:image-20220713111200-3.png]] 245 + 246 + 247 + 248 +==== **3. Import sample flow** ==== 249 + 250 + 251 +== 2.5 Email Notification == 252 + 253 + 254 + 255 += 3. Input Flow = 256 + 257 + 258 +Directly import JSON files to generate flow 259 + 260 +Download the required JSON file through this link: 提供一个链接 261 + 262 +Take LHT65 as an example (this node is already registered with TTN,MQTT protocol to connect) 263 + 264 +[[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"]] 265 + 266 +[[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"]] 267 + 268 +[[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"]] 269 + 270 +[[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"]] 271 + 272 +After the import is successful, change the MQTT in node to your TTN information 273 + 274 +[[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"]] 275 + 276 +[[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"]] 277 + 278 +Configure information consistent with your TTN 279 + 280 +[[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"]] 281 + 282 +[[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"]] 283 + 284 +API keys generated by the password for you 285 + 286 +[[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"]] 287 + 288 +Topic modify it to the following format 289 + 290 +v3/(% style="color:red" %)Application ID(%%)@ttn/devices/(% style="color:red" %)End device ID(%%)/up 291 + 292 +[[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"]] 293 + 294 +After the modification is completed, click Deploy
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