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12	12	Check installation instruction for different OS from this link: [[https:~~/~~/nodered.org/docs/getting-started/>>https://nodered.org/docs/getting-started/]]
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	15	+
15	15	== 1.1  Install Example for CENTOS ==
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	18	+
17	17	=== 1.1.1  Installation ===
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19	19
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35	35	[[image:image-20220526161103-2.png]]
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	40	+
38	38	=== 1.1.2  If you want to start Node-RED as a background process ===
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44	44
45	45	[[image:image-20220519104601-5.png]]
46	46
47		-After seeing the above information, press **enter.**
	50	+After seeing the above information, press **enter**
48	48
49		-Type in the command line  exit.
	52	+Type in the command line  exit
50	50
51		-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.
	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
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	57	+
54	54	== 1.2  Install in Dragino Gataway ==
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56	56
57		-The below models from Dragino already have Node-Red installed by default. Users no need to install it by themselves.
	61	+Dragino Gateway is already installed, no need for users to install it by themselves
58	58
59		-* [[LPS8v2 Indoor LoRaWAN Gateway. >>https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]]
60	60
61		-Other gateway model doesn't support built-in Node-Red server.
62	62
	65	+= 2.  Use Node-RED =
63	63
64		-= 2.  General Use of  Node-RED =
65	65
66		-
67		-This section describes some basic features of Node-RED. For more info please check the [[Node-RED official document>>https://nodered.org/]].
68		-
69		-
70	70	== 2.1  Login to Node-RED interface ==
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77	77	[[image:image-20220519104115-4.png||height="280" width="768"]]
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	78	+
80	80	== 2.2  Add flow ==
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145	145	[[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"]]
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	147	+
148	148	=== 2.2.1  About function ===
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155	155	[[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"]]
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	158	+
158	158	== 2.3  Plot Chart for sensors ==
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168		-(% style="color:blue" %)**1. Click Install**
	169	+(% style="color:blue" %)**1. Click Install
	170	+2. Search the dashboard
	171	+3. Click Install**
169	169
170		-(% style="color:blue" %)**2. Search the dashboard**
171	171
172		-(% style="color:blue" %)**3. Click Install**
173	173
174		-
175		-
176	176	[[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"]]
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182	182	[[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"]]
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	184	+
185	185	=== 2.3.1  the line chart as an example ===
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209	209	[[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"]]
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	212	+
212	212	=== 2.3.2  the chart settings ===
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264	264	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.
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	268	+
267	267	== 2.4  Store Value ==
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270	270	Regarding storage, we recommend two ways.
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	275	+
273	273	=== 2.4.1  1. Generate txt document directly ===
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278	278	[[image:image-20220713102658-1.png||height="346" width="728"]]
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	284	+
281	281	=== 2.4.2  2. Use sqlite database ===
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303	303	Download sample JSON file link: 链接
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305	305
306		-= 3.  Import Input Flow for Dragino Sensors =
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	311	+= 3.  Input Flow =
308	308
309		-Dragino provides input flow examples for the sensors.
310	310
311		-User can download the required JSON file through [[Dragino Node-RED input flow template>>https://github.com/dragino/dragino-end-node-decoder]].
	314	+Directly import JSON files to generate flow
312	312
313		-Take LHT65 as an example  (Assume this node is already registered with TTN, MQTT protocol to connect)
	316	+Download the required JSON file through this link: 提供一个链接
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	318	+Take LHT65 as an example  (this node is already registered with TTN,MQTT protocol to connect)
	319	+
315	315	[[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"]]
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317	317	[[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"]]