Changes for page Node-RED_Install and Use
Last modified by Mengting Qiu on 2024/11/29 10:15
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... ... @@ -13,7 +13,7 @@ 13 13 14 14 (% class="box infomessage" %) 15 15 ((( 16 -Reference Instruction from this link: _~_~_~_~_~_~_~_~_~_~_~_~_~__-16 +Reference Instruction from this link: [[https:~~/~~/github.com/node-red/linux-installers>>https://github.com/node-red/linux-installers]] 17 17 Run below commands and wait for installation complete. 18 18 ))) 19 19 ... ... @@ -53,12 +53,66 @@ 53 53 54 54 example:[[http:~~/~~/xxx.xx.xx.xx:1880/>>http://119.91.62.30:1880/]] 55 55 56 -[[image:image-20220519104115-4.png]] 56 +[[image:image-20220519104115-4.png||height="352" width="969"]] 57 57 58 58 59 -== Add Sensor & Payload==59 +== Add flow == 60 60 61 +Take NBSN95 mod1 UDP protocol as an example 61 61 63 +After logging into the interface click '+' to create a flow 64 + 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 + 67 +Rename the stream 68 + 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 + 71 +[[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"]] 72 + 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 + 75 +Drag UDP into the editing area 76 + 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 + 79 +The same method as above, drag and drop functions and debug into the editing area 80 + 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 + 83 +configure UDP in 84 + 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 + 87 +Write to the UDP port that the device node sends to the server 88 + 89 +Example My UDP device node sends to server port 8585 90 +just write 8585 91 + 92 +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 + 94 +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 + 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 + 98 +[[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"]] 99 + 100 +[[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"]] 101 + 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 + 104 +When the node successfully sends data, the effect shown in the following figure will appear 105 + 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 + 108 +=== About function === 109 + 110 +If you are familiar with JS code, you can write it yourself 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 + 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 + 115 + 62 62 == Plot Chart for sensors == 63 63 64 64