Wiki source code of Node-RED_Install and Use

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

version	line-number	content
14.1	1	(% class="wikigeneratedid" id="HEndDeviceFrequencyBand" %)
37.2	2	Table of Contents：
13.1	3
14.1	4	{{toc/}}
	5
2.1	6
37.2	7
	8
59.3	9	= 1. Installation =
37.2	10
	11
21.1	12	Check installation instruction for different OS from this link: [[https:~~/~~/nodered.org/docs/getting-started/>>https://nodered.org/docs/getting-started/]]
2.1	13
	14
59.3	15	== 1.1 Install Example for CENTOS ==
37.2	16
59.3	17	=== 1.1.1 Installation ===
37.2	18
	19
11.1	20	(% class="box infomessage" %)
	21	(((
21.1	22	Reference Instruction from this link: [[https:~~/~~/github.com/node-red/linux-installers>>https://github.com/node-red/linux-installers]]
	23	Run below commands and wait for installation complete.
11.1	24	)))
9.1	25
32.2	26	[[image:image-20220526161040-1.png]]
9.1	27
	28
37.4	29	(% style="color:blue" %)Verify if the installation was successful
9.1	30
37.4	31	Type in the command line interface (% style="color:red" %)node-red(%%)(% style="color:red" %)
	32
21.1	33	The following information appears to prove that the installation has been successful
9.1	34
32.2	35	[[image:image-20220526161103-2.png]]
9.1	36
	37
59.3	38	=== 1.1.2 If you want to start Node-RED as a background process ===
9.1	39
37.2	40
37.4	41	Type in the command line interface (% style="color:red" %)nohup node-red &
9.1	42
21.1	43	It will prompt after startup
9.1	44
	45	[[image:image-20220519104601-5.png]]
	46
41.2	47	After seeing the above information, press enter.
9.1	48
41.2	49	Type in the command line exit.
9.1	50
41.2	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.
12.1	52
	53
59.3	54	== 1.2 Install in Dragino Gataway ==
15.1	55
39.2	56
41.1	57	The below models from Dragino already have Node-Red installed by default. Users no need to install it by themselves.
12.1	58
41.1	59	* [[LPS8v2 Indoor LoRaWAN Gateway. >>https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]]
37.2	60
41.1	61	Other gateway model doesn't support built-in Node-Red server.
39.2	62
41.1	63
59.3	64	= 2. General Use of Node-RED =
37.2	65
	66
40.1	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
59.3	70	== 2.1 Login to Node-RED interface ==
37.2	71
	72
21.1	73	Enter your public IP address followed by the port number 1880
12.1	74
21.1	75	example：[[http:~~/~~/xxx.xx.xx.xx:1880/>>http://119.91.62.30:1880/]]
12.1	76
38.1	77	[[image:image-20220519104115-4.png\|\|height="280" width="768"]]
12.1	78
	79
59.3	80	== 2.2 Add flow ==
37.2	81
	82
21.1	83	Take NBSN95 mod1 UDP protocol as an example
16.1	84
37.5	85	After logging into the interface click (% style="color:red" %)"+" (%%)to create a flow
16.1	86
104.2	87	[[image:image-20241119101328-1.png\|\|height="460" width="970"]]
16.1	88
21.1	89	Rename the stream
16.1	90
	91
39.2	92
104.2	93	[[image:image-20241119101551-2.png\|\|height="465" width="979"]]
17.1	94
39.2	95
21.1	96	Drag UDP into the editing area
17.1	97
104.2	98	[[image:image-20241119101952-3.png\|\|height="466" width="983"]]
37.5	99
20.2	100
21.1	101	The same method as above, drag and drop functions and debug into the editing area
20.2	102
104.2	103	[[image:image-20241119102218-4.png\|\|height="468" width="986"]]
20.2	104
21.1	105	configure UDP in
20.2	106
104.2	107	[[image:image-20241119103312-7.png\|\|height="470" width="991"]]
20.2	108
37.5	109
21.1	110	Write to the UDP port that the device node sends to the server
20.2	111
21.1	112	Example My UDP device node sends to server port 8585
	113	just write 8585
20.2	114
	115
37.5	116	(% 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.
	117
	118
21.1	119	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.
20.2	120
104.2	121	[[image:image-20241119105123-9.png\|\|height="557" width="995"]]
20.2	122
37.5	123
21.1	124	When the node successfully sends data, the effect shown in the following figure will appear
20.2	125
104.2	126	[[image:image-20241119104939-8.png\|\|height="473" width="996"]]
20.2	127
	128
59.3	129	=== 2.2.1 About function ===
37.2	130
	131
21.1	132	If you are familiar with JS code, you can write it yourself
109.2	133	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.([[dragino-end-node-red-Flow>>https://github.com/dragino/dragino-end-node-decoder/blob/main/Node-RED/NBSN95.json]])
20.2	134
109.2	135	[[image:image-20241119112519-14.png\|\|height="483" width="1018"]]
20.2	136
	137
59.3	138	== 2.3 Plot Chart for sensors ==
37.2	139
	140
25.1	141	If you need data visualization, please refer to the following
20.2	142
109.2	143	[[image:image-20241119112928-15.png\|\|height="484" width="1020"]]
25.1	144
37.6	145
41.2	146	(% style="color:blue" %)1. Click Install
25.1	147
41.2	148	(% style="color:blue" %)2. Search the dashboard
37.6	149
41.2	150	(% style="color:blue" %)3. Click Install
37.6	151
41.2	152
104.2	153	[[image:image-20241119110335-11.png\|\|height="483" width="1018"]]
25.1	154
37.7	155
25.1	156	After the installation is successful, nodered will show the following node icon
	157
104.2	158	[[image:image-20241119110539-12.png\|\|height="484" width="1020"]]
25.1	159
	160
59.3	161	=== 2.3.1 the line chart as an example ===
37.2	162
	163
25.1	164	Drag the line chart to the editing area
	165
	166	Just drag and drop as many as you need, or you can copy
	167
	168	The demo uses 3 kinds. Voltage, temperature, humidity
	169
109.2	170	[[image:image-20241119114103-18.png\|\|height="422" width="889"]]
25.1	171
37.7	172
25.1	173	double click function
	174
109.2	175	[[image:image-20241119113522-16.png\|\|height="425" width="896"]]
25.1	176
37.7	177
25.1	178	Adjusted to 3, because we need to display 3 charts
	179
109.2	180	[[image:image-20241119113742-17.png\|\|height="427" width="899"]]
25.1	181
	182
59.3	183	=== 2.3.2 the chart settings ===
37.2	184
	185
25.1	186	Double-click while setting up the node as above
	187
37.7	188
133.2	189	[[image:image-20241129100546-9.png\|\|height="507" width="1068"]]
25.1	190
37.7	191
133.2	192	[[image:image-20241129100654-10.png\|\|height="507" width="1067"]]
25.1	193
37.7	194
133.2	195	[[image:image-20241129100821-11.png\|\|height="511" width="1076"]]
25.1	196
37.7	197
25.1	198
133.2	199	[[image:image-20220525185746-2.png\|\|height="509" width="873"]]
37.7	200
25.1	201
	202
	203	After the display interface is defined for the first time, subsequent charts can directly select the display interface
	204
37.7	205
135.1	206	[[image:image-20241129101359-12.png\|\|height="418" width="880"]]
37.7	207
38.1	208	[[image:image-20220525190106-3.png\|\|height="575" width="724"]]
25.1	209
37.7	210
25.1	211	Connect graph nodes to functions with lines
	212
	213	Click to deploy
	214
118.2	215	[[image:image-20241120090012-1.png\|\|height="416" width="877"]]
25.1	216
	217	Enter the server public IP + port 1880/ui
	218
	219	example：[[http:~~/~~/xxx.xx.xx.xx:1880/ui>>url:http://119.91.62.30:1880/ui/#!/18?socketid=WY1MCE0RFEKHey8KAADj]]
	220
113.2	221	[[image:image-20241119134533-19.png\|\|height="455" width="880"]]
25.1	222
39.2	223
25.1	224	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.
	225
20.2	226
59.3	227	== 2.4 Store Value ==
37.2	228
	229
37.8	230	Regarding storage, we recommend two ways.
20.2	231
36.1	232
59.3	233	=== 2.4.1 (% style="display:none" %) (%%)Method 1: Generate txt document directly ===
37.2	234
39.2	235
41.3	236	Sample JSON file: [[https:~~/~~/www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0>>https://www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0]]
37.8	237
38.1	238	[[image:image-20220713102658-1.png\|\|height="346" width="728"]]
36.1	239
	240
59.3	241	=== 2.4.2 Method 2: Use sqlite database ===
37.2	242
	243
37.8	244	==== (% style="color:blue" %)1. Install SQLite(%%) ====
37.2	245
	246
38.1	247	[[image:image-20220713111030-2.png\|\|height="438" width="739"]]
36.1	248
	249
37.2	250
37.8	251	==== (% style="color:blue" %)2. After the installation is successful, the nodes in the picture will appear(%%) ====
37.2	252
	253
36.1	254	[[image:image-20220713111200-3.png]]
	255
	256
	257
37.8	258	==== (% style="color:blue" %)3. Import sample flow(%%) ====
20.2	259
39.2	260
39.1	261	Refer to the import example below to import the sqlite example flow
20.2	262
41.3	263	Download sample JSON file link: [[https:~~/~~/www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0>>https://www.dropbox.com/sh/mduw85jcuwsua22/AAAvwPhg9z6dLjJhmZjqBf_ma?dl=0]]
37.8	264
39.2	265
59.3	266	= 3. Import Input Flow for Dragino Sensors =
37.2	267
	268
40.1	269	Dragino provides input flow examples for the sensors.
27.1	270
130.2	271	User can download the required JSON file through [[Dragino Node-RED input flow template>>https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]].
27.1	272
130.2	273	Take LHT65N as an example (Assume this node is already registered with TTN, MQTT protocol to connect)
28.1	274
130.2	275	[[image:image-20241129094455-1.png\|\|height="537" width="1062"]]
27.1	276
130.2	277	[[image:image-20241129094558-2.png\|\|height="538" width="1063"]]
27.1	278
130.2	279	[[image:image-20241129094724-3.png\|\|height="513" width="1080"]]
27.1	280
130.2	281	[[image:image-20241129094850-4.png\|\|height="513" width="1081"]]
27.1	282
28.1	283	After the import is successful, change the MQTT in node to your TTN information
	284
130.2	285	[[image:image-20241129095458-6.png\|\|height="511" width="1076"]]
28.1	286
130.2	287	[[image:image-20241129095351-5.png\|\|height="515" width="1085"]]
28.1	288
39.2	289
	290
28.1	291	Configure information consistent with your TTN
	292
	293
130.2	294	[[image:image-20241129095817-7.png\|\|height="516" width="1087"]]
28.1	295
130.2	296	[[image:image-20241129095931-8.png\|\|height="515" width="1085"]]
39.2	297
	298
130.2	299
28.1	300	API keys generated by the password for you
	301
113.2	302	[[image:image-20241119135338-21.png\|\|height="515" width="1085"]]
28.1	303
39.2	304
28.1	305	Topic modify it to the following format
	306
30.1	307	v3/(% style="color:red" %)Application ID(%%)@ttn/devices/(% style="color:red" %)End device ID(%%)/up
28.1	308
113.2	309	[[image:image-20241119135151-20.png\|\|height="515" width="1085"]]
28.1	310
	311	After the modification is completed, click Deploy
48.1	312
	313
59.2	314	= 4. Add Dragino node =
	315
	316
53.1	317	Please do not modify the code anywhere to avoid any exceptions
	318
	319	The prerequisite is to install the Dragino node and the sqlite node dashboard node
	320
	321	The echarts library is placed in the static file of node red
	322
56.1	323	Reference link: [[https:~~/~~/nodered.org/docs/user-guide/runtime/configuration>>]]
53.1	324
59.2	325	Please download the general flow and echarts files from this link：[[https:~~/~~/www.dropbox.com/scl/fo/677l8f3u3evpojcdcj3j7/h?rlkey=0iqbwf27dbyi75egmrp0p0yjx&dl=0>>https://www.dropbox.com/scl/fo/677l8f3u3evpojcdcj3j7/h?rlkey=0iqbwf27dbyi75egmrp0p0yjx&dl=0]]
56.1	326
48.1	327
59.2	328	== 4.1 Installing Dragino nodes ==
	329
	330
48.1	331	[[image:image-20240104095739-1.png\|\|height="662" width="662"]]
	332
	333	[[image:image-20240104100026-2.png]]
	334
	335	[[image:image-20240104100109-3.png]]
	336
	337
59.3	338	== 4.2 Import General Flow ==
	339
	340
48.1	341	[[image:image-20240104100340-4.png]]
	342
	343	[[image:image-20240104100446-5.png\|\|height="407" width="885"]]
	344
53.1	345	Please refer to the previous chapters for MQTT settings and sqlite installation settings
	346
	347
59.3	348	== 4.3 Using flow ==
	349
	350
53.1	351	Just double-click on the drag ino decoder node and select it from the dropdown menu
	352
	353	Corresponding nodes are sufficient
	354
	355	[[image:image-20240104100928-6.png\|\|height="439" width="755"]]
	356
	357	Setting the template node
	358
	359	[[image:image-20240104101446-8.png]]
	360
	361	When multiple nodes are needed in the same process
	362
55.1	363	[[image:image-20240104103636-1.png]]
53.1	364
61.1	365	If using the NodeRed that comes with the Dragino gateway
55.1	366
61.1	367	Change to the following path
	368
	369	"/static/echarts.min.js"
	370
	371	[[image:image-20240110153029-1.png]]
	372
	373
53.1	374	After setting up, select deployment
	375
	376	[[image:image-20240104101346-7.png\|\|height="242" width="724"]]
59.1	377
	378	Enter the server public IP + port 1880/ui
	379
	380	example：[[http:~~/~~/xxx.xx.xx.xx:1880/ui>>url:http://119.91.62.30:1880/ui/#!/18?socketid=WY1MCE0RFEKHey8KAADj]]
	381
	382	You can see the UI display effect in the following picture
	383
59.3	384	[[image:image-20240104104931-2.png\|\|height="737" width="1131"]]
	385
62.1	386
	387	= 5. FAQ =
	388
	389	== 5.1 How to use Node-Red to schedule downlink to ChirpStack LoRaWAN Server? ==
	390
80.1	391	=== 5.1.1 Install node-red-node-base64 ===
	392
84.2	393
80.1	394	[[image:image-20240222154204-1.png\|\|height="456" width="983"]]
	395
	396	[[image:image-20240222154819-3.png\|\|height="469" width="990"]]
	397
	398
	399	=== 5.1.2 Import Example Flow ===
	400
84.2	401
80.1	402	The Json file for the example flow can be downloaded at this link:[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/blob/main/Node-RED/chirpstack-MQTT-down.json.>>https://github.com/dragino/dragino-end-node-decoder/blob/main/Node-RED/chirpstack-MQTT-down.json]]
	403
	404	[[image:image-20240222155121-4.png\|\|height="495" width="1017"]]
	405
	406	[[image:image-20240222155239-5.png\|\|height="497" width="1020"]]
	407
	408
	409	=== 5.1.3 Establish connection ===
	410
84.2	411
80.1	412	Setting up the server:
	413
	414	[[image:image-20240222160019-7.png\|\|height="413" width="955"]]
	415
	416	[[image:image-20240222160223-8.png\|\|height="416" width="956"]]
	417
	418	[[image:image-20240222160347-9.png\|\|height="426" width="963"]]
	419
	420	Change the theme to Application lD and DevEUl for ChirpStack:
	421
	422	[[image:image-20240222160712-10.png\|\|height="429" width="988"]]
	423
	424	[[image:image-20240222160735-11.png\|\|height="417" width="984"]]
	425
	426	[[image:image-20240222160842-12.png\|\|height="387" width="992"]]
	427
	428	And then，
	429
	430	[[image:image-20240222161010-13.png\|\|height="454" width="997"]]
	431
	432	[[image:image-20240222161147-14.png\|\|height="478" width="1002"]]
	433
	434	Connection established successfully：
	435
	436	[[image:image-20240222161252-15.png\|\|height="412" width="1001"]]
	437
	438
	439	=== 5.1.4 Input downlink command ===
	440
84.2	441
80.1	442	[[image:image-20240222161614-16.png\|\|height="465" width="997"]]
	443
	444	[[image:image-20240222161937-17.png\|\|height="472" width="997"]]
	445
	446
	447	Example action video:[[https:~~/~~/youtu.be/Lqm-k5nQ5eU>>https://youtu.be/Lqm-k5nQ5eU]]
	448
84.2	449
81.1	450	== 5.2 How to use Node-Red to schedule downlink to TTN-V3 LoRaWAN Server? ==
80.1	451
81.1	452	=== 5.2.1 Reference 5.1.1 Installing base64 nodes ===
	453
84.1	454	=== 5.2.2 Import Example Flow ===
81.1	455
84.2	456
86.1	457	Reference 5.1.2
81.1	458
83.1	459	Taking LT-222222-L as an example
	460
84.1	461	The Json file for the example flow can be downloaded at this link:[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/blob/main/Node-RED/TTN-V3-MQTT-down.json>>https://github.com/dragino/dragino-end-node-decoder/blob/main/Node-RED/TTN-V3-MQTT-down.json]]
82.1	462
85.1	463	Please refer to this video for specific operation steps: [[https:~~/~~/youtu.be/kms679e4m_Y>>https://youtu.be/kms679e4m_Y]]

Wiki source code of Node-RED_Install and Use

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