Changes for page Node-RED_Install and Use

Last modified by Mengting Qiu on 2024/11/29 10:15
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From version < 9.1 >
edited by Herong Lu
on 2022/05/19 10:52
To version < 20.2 >
edited by Herong Lu
on 2022/05/25 18:42
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Title
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1 -nodered_Install
1 +Node-RED_Install and Use
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1 -Click the link to jump to the official installation instructions of nodered
1 +(% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %)
2 + **内容：**
2 2  
3 -[[https:~~/~~/nodered.org/docs/getting-started/>>https://nodered.org/docs/getting-started/]]
4 +{{toc/}}
4 4  
5 -== Install according to your operating system ==
6 += 安装 =
6 6  
7 -[[image:微信图片_20220519095320.png]]
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/]]
8 8  
9 -== The following is a local linux (CentOS) operating system installation as an example ==
10 +== CENTOS 的安装示例 ==
10 10  
11 -[[image:微信图片_20220519101243.png]]
12 +=== 安装 ===
12 12  
13 -[[image:image-20220519101800-1.png]]
14 +(% class="box infomessage" %)
15 +(((
16 +此链接的参考说明：   [[https>>https://github.com/node-red/linux-installers]]
17 +:~/~/github.com/node-red/linux-installers运行以下命令并等待安装完成。
18 +)))
14 14  
15 -== Paste into the command line interface and run， ==
16 -
17 -== Wait for the installation to complete ==
18 -
19 19  [[image:image-20220519102228-2.png]]
20 20  
21 -== Verify that the installation was successful ==
22 +**验证是否安装成功**
22 22  
23 -Type in the command line interface  node-red 
24 +在命令行界面输入node-red  
24 24  
25 -The following information appears to prove that the installation has been successful
26 +出现以下信息证明安装成功
26 26  
27 27  [[image:image-20220519103318-3.png]]
28 28  
29 -== Login to nodered interface ==
30 30  
31 -Enter your public IP address followed by the port number 1880
31 +=== 如果要将 Node-RED 作为后台进程启动 ===
32 32  
33 -example：[[http:~~/~~/xxx.xx.xx.xx:1880/>>http://119.91.62.30:1880/]]
33 +在命令行界面输入 nohup node-red &
34 34  
35 -[[image:image-20220519104115-4.png]]
35 +启动后会提示
36 36  
37 +[[image:image-20220519104601-5.png]]
37 37  
38 -== If you want to start nodered as a background process ==
39 +看到以上信息后，按回车
39 39  
40 -Type in the command line interface  nohup node-red &
41 +输入命令行退出
41 41  
42 -It will prompt after startup
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
43 43  
44 -[[image:image-20220519104601-5.png]]
45 +== 在 Dragino Gataway 中安装 ==
45 45  
46 -After seeing the above information, press enter
47 47  
48 -Type in the command line  exit
48 += 使用 Node-RED =
49 49  
50 -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
50 +== 登录 Node-RED 界面 ==
51 +
52 +输入您的公共 IP 地址，后跟端口号 1880
53 +
54 +例子：[[http:~~/~~/xxx.xx.xx.xx:1880/>>http://119.91.62.30:1880/]]
55 +
56 +[[image:image-20220519104115-4.png||height="352" width="969"]]
57 +
58 +
59 +== 添加流 ==
60 +
61 +以NBSN95 mod1 UDP协议为例
62 +
63 +登录界面后点击“+”创建流程
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 +重命名流
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 +将UDP拖入编辑区
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 +方法同上，拖拽函数和调试到编辑区
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 +配置UDP
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 +写入设备节点发送给服务器的UDP端口
88 +
89 +示例 我的 UDP 设备节点发送到服务器端口 8585
90 +只需写入 8585
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。
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。
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 +当节点发送数据成功后，会出现下图的效果
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 +=== 关于功能 ===
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 +
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 +
116 +== 传感器绘图图 ==
117 +
118 +
119 +== 存储价值 ==
120 +
121 +
122 +== 电子邮件通知 ==
123 +
124 +
125 += 输入流 =
126 +
127 +== MQTT ==
128 +
129 +== UDP ==
130 +
131 +== TCP ==
132 +
133 +== 从 LoRaWAN 服务器 (TTN) 获取数据 ==
134 +
135 +
136 += 例子 =
LHT65N-chirpstack decoder.txt
Author
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1 +XWiki.Edwin
Size
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1 +1.7 KB
Content
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1 +function Decode(fPort, bytes){
2 +var data = {
3 + //External sensor
4 + Ext_sensor:
5 + {
6 + "0":"No external sensor",
7 + "1":"Temperature Sensor",
8 + "4":"Interrupt Sensor send",
9 + "5":"Illumination Sensor",
10 + "6":"ADC Sensor",
11 + "7":"Interrupt Sensor count",
12 + }[bytes[6]&0x7F],
13 +
14 + //Battery,units:V
15 + BatV:((bytes[0]<<8 | bytes[1]) & 0x3FFF)/1000,
16 +
17 + //SHT20,temperature,units:
18 + TempC_SHT:((bytes[2]<<24>>16 | bytes[3])/100).toFixed(2),
19 +
20 + //SHT20,Humidity,units:%
21 + Hum_SHT:((bytes[4]<<8 | bytes[5])/10).toFixed(1),
22 +
23 + //DS18B20,temperature,units:
24 + TempC_DS:
25 + {
26 + "1":((bytes[7]<<24>>16 | bytes[8])/100).toFixed(2),
27 + }[bytes[6]&0xFF],
28 +
29 + //Exti pin level,PA4
30 + Exti_pin_level:
31 + {
32 + "4":bytes[7] ? "High":"Low",
33 + }[bytes[6]&0x7F],
34 +
35 + //Exit pin status,PA4
36 + Exti_status:
37 + {
38 + "4":bytes[8] ? "True":"False",
39 + }[bytes[6]&0x7F],
40 +
41 + //BH1750,illumination,units:lux
42 + ILL_lux:
43 + {
44 + "5":bytes[7]<<8 | bytes[8],
45 + }[bytes[6]&0x7F],
46 +
47 + //ADC,PA4,units:V
48 + ADC_V:
49 + {
50 + "6":(bytes[7]<<8 | bytes[8])/1000,
51 + }[bytes[6]&0x7F],
52 +
53 + //Exti count,PA4,units:times
54 + Exit_count:
55 + {
56 + "7":bytes[7]<<8 | bytes[8],
57 + }[bytes[6]&0x7F],
58 +
59 + //Applicable to working mode 4567,and working mode 467 requires short circuit PA9 and PA10
60 + No_connect:
61 + {
62 + "1":"Sensor no connection",
63 + }[(bytes[6]&0x80)>>7],
64 + };
65 + return data;
66 +}

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