Changes for page Node-RED_Install and Use
Last modified by Mengting Qiu on 2024/11/29 10:15
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... ... @@ -1,16 +1,24 @@ 1 1 (% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %) 2 - **Contents:** 2 + **Table of** **Contents:** 3 3 4 4 {{toc/}} 5 5 6 -= Installation = 7 7 7 + 8 + 9 += 1. Installation = 10 + 11 + 8 8 Check installation instruction for different OS from this link: [[https:~~/~~/nodered.org/docs/getting-started/>>https://nodered.org/docs/getting-started/]] 9 9 10 -== Install Example for CENTOS == 11 11 12 -=== Installation === 13 13 16 +== 1.1 Install Example for CENTOS == 17 + 18 + 19 +=== 1.1.1 Installation === 20 + 21 + 14 14 (% class="box infomessage" %) 15 15 ((( 16 16 Reference Instruction from this link: [[https:~~/~~/github.com/node-red/linux-installers>>https://github.com/node-red/linux-installers]] ... ... @@ -28,8 +28,9 @@ 28 28 [[image:image-20220526161103-2.png]] 29 29 30 30 31 -=== If you want to start Node-RED as a background process === 39 +=== 1.1.2 If you want to start Node-RED as a background process === 32 32 41 + 33 33 Type in the command line interface nohup node-red & 34 34 35 35 It will prompt after startup ... ... @@ -42,13 +42,18 @@ 42 42 43 43 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 -== Install in Dragino Gataway == 46 46 47 47 48 -= UseNode-RED =56 +== 1.2 Install in Dragino Gataway == 49 49 50 -== Login to Node-RED interface == 51 51 59 + 60 += 2. Use Node-RED = 61 + 62 + 63 +== 2.1 Login to Node-RED interface == 64 + 65 + 52 52 Enter your public IP address followed by the port number 1880 53 53 54 54 example:[[http:~~/~~/xxx.xx.xx.xx:1880/>>http://119.91.62.30:1880/]] ... ... @@ -56,8 +56,10 @@ 56 56 [[image:image-20220519104115-4.png||height="352" width="969"]] 57 57 58 58 59 -== Add flow == 60 60 74 +== 2.2 Add flow == 75 + 76 + 61 61 Take NBSN95 mod1 UDP protocol as an example 62 62 63 63 After logging into the interface click '+' to create a flow ... ... @@ -105,8 +105,11 @@ 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 -=== About function === 109 109 125 + 126 +=== 2.2.1 About function === 127 + 128 + 110 110 If you are familiar with JS code, you can write it yourself 111 111 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 112 112 ... ... @@ -113,10 +113,13 @@ 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 -== Plot Chart for sensors == 117 117 136 +== 2.3 Plot Chart for sensors == 137 + 138 + 118 118 If you need data visualization, please refer to the following 119 119 141 + 120 120 [[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"]] 121 121 122 122 ~1. Click Install ... ... @@ -129,8 +129,11 @@ 129 129 130 130 [[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"]] 131 131 132 -=== the line chart as an example === 133 133 155 + 156 +=== 2.3.1 the line chart as an example === 157 + 158 + 134 134 Drag the line chart to the editing area 135 135 136 136 Just drag and drop as many as you need, or you can copy ... ... @@ -147,8 +147,11 @@ 147 147 148 148 [[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"]] 149 149 150 -=== the chart settings === 151 151 176 + 177 +=== 2.3.2 the chart settings === 178 + 179 + 152 152 Double-click while setting up the node as above 153 153 154 154 [[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"]] ... ... @@ -183,32 +183,48 @@ 183 183 184 184 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. 185 185 186 -== Store Value == 187 187 215 + 216 +== 2.4 Store Value == 217 + 218 + 188 188 Regarding storage, we recommend two ways 189 189 190 -=== 1.Generate txt document directly === 191 191 222 + 223 +=== 2.4.1 1. Generate txt document directly === 224 + 192 192 Sample JSON file:链接转到示例JSON文件[[image:image-20220713102658-1.png]] 193 193 194 -=== 2.Use sqlite database === 195 195 196 -==== 1.Install SQLite ==== 197 197 229 +=== 2.4.2 2. Use sqlite database === 230 + 231 + 232 +==== **1. Install SQLite** ==== 233 + 234 + 198 198 [[image:image-20220713111030-2.png]] 199 199 200 -==== 2.After the installation is successful, the nodes in the picture will appear ==== 201 201 238 + 239 +==== **2. After the installation is successful, the nodes in the picture will appear** ==== 240 + 241 + 202 202 [[image:image-20220713111200-3.png]] 203 203 204 -==== 3.Import sample flow ==== 205 205 206 206 207 -== EmailNotification==246 +==== **3. Import sample flow** ==== 208 208 209 209 210 -= InputFlow=249 +== 2.5 Email Notification == 211 211 251 + 252 + 253 += 3. Input Flow = 254 + 255 + 212 212 Directly import JSON files to generate flow 213 213 214 214 Download the required JSON file through this link: 提供一个链接