Changes for page Node-RED_Install and Use

Last modified by Mengting Qiu on 2024/11/29 10:15

From version < 40.1 >

edited by Edwin Chen
on 2022/09/02 15:24

To version < 20.2 >

edited by Herong Lu
on 2022/05/25 18:42

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--XWiki.Edwin
++XWiki.Lu

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  (% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %)
--     **Table of** **Contents：**
++     **内容：**
  {{toc/}}
++= 安装 =
++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/]]
++== CENTOS 的安装示例 ==
--= 1.  Installation =
++=== 安装 ===
--
--Check installation instruction for different OS from this link: [[https:~~/~~/nodered.org/docs/getting-started/>>https://nodered.org/docs/getting-started/]]
--
--
--
--== 1.1  Install Example for CENTOS ==
--
--
--=== 1.1.1  Installation ===
--
--
  (% class="box infomessage" %)
  (((
--Reference Instruction from this link:  [[https:~~/~~/github.com/node-red/linux-installers>>https://github.com/node-red/linux-installers]]
--Run below commands and wait for installation complete.
++此链接的参考说明：   [[https>>https://github.com/node-red/linux-installers]]
++:~/~/github.com/node-red/linux-installers运行以下命令并等待安装完成。
  )))
--[[image:image-20220526161040-1.png]]
++[[image:image-20220519102228-2.png]]
++**验证是否安装成功**
--(% style="color:blue" %)**Verify if the installation was successful**
++在命令行界面输入node-red
--Type in the command line interface ** (% style="color:red" %)node-red(%%)**(% style="color:red" %)
++出现以下信息证明安装成功
--The following information appears to prove that the installation has been successful
++[[image:image-20220519103318-3.png]]
--[[image:image-20220526161103-2.png]]
++=== 如果要将 Node-RED 作为后台进程启动 ===
++在命令行界面输入 nohup node-red &
--=== 1.1.2  If you want to start Node-RED as a background process ===
++启动后会提示
--
--Type in the command line interface   (% style="color:red" %)**nohup node-red &**
--
--It will prompt after startup
--
  [[image:image-20220519104601-5.png]]
--After seeing the above information, press **enter**
++看到以上信息后，按回车
--Type in the command line   exit
++输入命令行退出
--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
++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
++== 在 Dragino Gataway 中安装 ==
--== 1.2  Install in Dragino Gataway ==
++= 使用 Node-RED =
++== 登录 Node-RED 界面 ==
--Dragino Gateway is already installed, no need for users to install it by themselves.
++输入您的公共 IP 地址，后跟端口号 1880
++例子：[[http:~~/~~/xxx.xx.xx.xx:1880/>>http://119.91.62.30:1880/]]
++[[image:image-20220519104115-4.png||height="352" width="969"]]
--= 2.  General Use of  Node-RED =
++== 添加流 ==
--This section describes some basic features of Node-RED. For more info please check the [[Node-RED official document>>https://nodered.org/]].
++以NBSN95 mod1 UDP协议为例
++登录界面后点击“+”创建流程
--== 2.1  Login to Node-RED interface ==
++[[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"]]
++重命名流
--Enter your public IP address followed by the port number 1880
++[[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"]]
--example：[[http:~~/~~/xxx.xx.xx.xx:1880/>>http://119.91.62.30:1880/]]
++[[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"]]
--[[image:image-20220519104115-4.png||height="280" width="768"]]
--
--
--
--== 2.2  Add flow ==
--
--
--Take NBSN95 mod1 UDP protocol as an example
--
--After logging into the interface click** (% style="color:red" %)"+" (%%)**to create a flow
--
--[[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"]]
--
--
--
--Rename the stream
--
--[[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"]]
--
--
--[[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"]]
--
--
  [[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"]]
--Drag UDP into the editing area
++将UDP拖入编辑区
--
--
  [[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"]]
++方法同上，拖拽函数和调试到编辑区
--The same method as above, drag and drop functions and debug into the editing area
++[[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"]]
--[[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"]]
++配置UDP
++[[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"]]
++写入设备节点发送给服务器的UDP端口
--configure UDP in
++示例 我的 UDP 设备节点发送到服务器端口 8585
++只需写入 8585
--[[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"]]
++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。
++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。
--Write to the UDP port that the device node sends to the server
++[[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"]]
--Example My UDP device node sends to server port 8585
--just write 8585
++[[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"]]
++[[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"]]
--(% style="color:red" %)**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.**
++[[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"]]
++当节点发送数据成功后，会出现下图的效果
--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.
++[[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"]]
--[[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"]]
++=== 关于功能 ===
++如果你熟悉JS代码，可以自己写
++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
--[[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"]]
++[[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"]]
--[[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"]]
++== 传感器绘图图 ==
--[[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"]]
++== 存储价值 ==
++== 电子邮件通知 ==
--When the node successfully sends data, the effect shown in the following figure will appear
--[[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"]]
++= 输入流 =
++== MQTT ==
++== UDP ==
--=== 2.2.1  About function ===
++== TCP ==
++== 从 LoRaWAN 服务器 (TTN) 获取数据 ==
--If you are familiar with JS code, you can write it yourself
--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
--
--[[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"]]
--
--
--
--== 2.3  Plot Chart for sensors ==
--
--
--If you need data visualization, please refer to the following
--
--
--[[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"]]
--
--
--
--(% style="color:blue" %)**1. Click Install
--2. Search the dashboard
--3. Click Install**
--
--
--
--[[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"]]
--
--
--
--After the installation is successful, nodered will show the following node icon
--
--[[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"]]
--
--
--
--=== 2.3.1  the line chart as an example ===
--
--
--Drag the line chart to the editing area
--
--Just drag and drop as many as you need, or you can copy
--
--The demo uses 3 kinds. Voltage, temperature, humidity
--
--
--[[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"]]
--
--
--
--double click function
--
--
--[[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"]]
--
--
--
--Adjusted to 3, because we need to display 3 charts
--
--
--[[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"]]
--
--
--
--=== 2.3.2  the chart settings ===
--
--
--Double-click while setting up the node as above
--
--
--[[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" height="703" width="729"]]
--
--
--[[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" height="501" width="727"]]
--
--
--[[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" height="554" width="722"]]
--
--
--[[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" height="444" width="721"]]
--
--
--[[image:image-20220525185746-2.png||height="421" width="724"]]
--
--
--[[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"]]
--
--
--
--After the display interface is defined for the first time, subsequent charts can directly select the display interface
--
--
--[[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"]]
--
--
--
--[[image:image-20220525190106-3.png||height="575" width="724"]]
--
--
--
--Connect graph nodes to functions with lines
--
--Click to deploy
--
--
--[[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"]]
--
--Enter the server public IP + port 1880/ui
--
--example：[[http:~~/~~/xxx.xx.xx.xx:1880/ui>>url:http://119.91.62.30:1880/ui/#!/18?socketid=WY1MCE0RFEKHey8KAADj]]
--
--
--
--[[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"]]
--
--
--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.
--
--
--
--== 2.4  Store Value ==
--
--
--Regarding storage, we recommend two ways.
--
--
--
--=== 2.4.1  1. Generate txt document directly ===
--
--
--Sample JSON file:链接转到示例JSON文件
--
--[[image:image-20220713102658-1.png||height="346" width="728"]]
--
--
--
--=== 2.4.2  2. Use sqlite database ===
--
--
--==== (% style="color:blue" %)**1.  Install SQLite**(%%) ====
--
--
--[[image:image-20220713111030-2.png||height="438" width="739"]]
--
--
--
--==== (% style="color:blue" %)**2.  After the installation is successful, the nodes in the picture will appear**(%%) ====
--
--
--[[image:image-20220713111200-3.png]]
--
--
--
--==== (% style="color:blue" %)**3.  Import sample flow**(%%) ====
--
--
--Refer to the import example below to import the sqlite example flow
--
--Download sample JSON file link: 链接
--
--
--
--= 3.  Import Input Flow for Dragino Sensors =
--
--
--Dragino provides input flow examples for the sensors.
--
--User can download the required JSON file through [[Dragino Node-RED input flow template>>https://github.com/dragino/dragino-end-node-decoder]].
--
--Take LHT65 as an example  (Assume this node is already registered with TTN, MQTT protocol to connect)
--
--[[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"]]
--
--[[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"]]
--
--[[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" height="443" width="773"]]
--
--[[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" height="568" width="768"]]
--
--After the import is successful, change the MQTT in node to your TTN information
--
--[[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" height="643" width="772"]]
--
--[[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"]]
--
--
--
--Configure information consistent with your TTN
--
--[[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"]]
--
--[[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"]]
--
--
--
--API keys generated by the password for you
--
--[[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"]]
--
--
--Topic modify it to the following format
--
--v3/(% style="color:red" %)Application ID(%%)@ttn/devices/(% style="color:red" %)End device ID(%%)/up
--
--[[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"]]
--
--After the modification is completed, click Deploy
++= 例子 =

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Changes for page Node-RED_Install and Use

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