Wiki source code of LA66 LoRaWAN Module

Version 134.4 by Xiaoling on 2022/07/26 10:37

version	line-number	content
134.2	1
87.2	2
87.13	3	Table of Contents:
	4
1.1	5	{{toc/}}
	6
	7
6.1	8
87.2	9	= 1. LA66 LoRaWAN Module =
	10
	11
	12	== 1.1 What is LA66 LoRaWAN Module ==
	13
	14
87.15	15	(((
100.2	16	(((
	17	[[image:image-20220719093358-2.png\|\|height="145" width="220"]](% style="color:blue" %)
	18	)))
88.2	19
100.2	20	(((
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	22	)))
	23
	24	(((
65.1	25	(% style="color:blue" %)Dragino LA66(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
87.15	26	)))
100.2	27	)))
1.1	28
87.15	29	(((
100.2	30	(((
101.4	31	(% style="color:blue" %)LA66(%%) is a ready-to-use module that includes the (% style="color:blue" %)LoRaWAN v1.0.3 protocol(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
87.15	32	)))
100.2	33	)))
1.1	34
87.15	35	(((
100.2	36	(((
65.1	37	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
87.15	38	)))
1.1	39
87.15	40	(((
65.1	41	Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)open-source peer-to-peer LoRa Protocol(%%) for the none-LoRaWAN application.
87.15	42	)))
100.2	43	)))
1.1	44
87.15	45	(((
100.2	46	(((
65.1	47	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
87.15	48	)))
100.2	49	)))
1.1	50
67.1	51
100.2	52
87.2	53	== 1.2 Features ==
64.1	54
68.1	55	* Support LoRaWAN v1.0.4 protocol
	56	* Support peer-to-peer protocol
	57	* TCXO crystal to ensure RF performance on low temperature
	58	* SMD Antenna pad and i-pex antenna connector
	59	* Available in different frequency LoRaWAN frequency bands.
	60	* World-wide unique OTAA keys.
69.1	61	* AT Command via UART-TTL interface
	62	* Firmware upgradable via UART interface
	63	* Ultra-long RF range
64.1	64
134.4	65
	66
	67
87.2	68	== 1.3 Specification ==
	69
68.1	70	* CPU: 32-bit 48 MHz
	71	* Flash: 256KB
	72	* RAM: 64KB
66.1	73	* Input Power Range: 1.8v ~~ 3.7v
	74	* Power Consumption: < 4uA.
	75	* Frequency Range: 150 MHz ~~ 960 MHz
	76	* Maximum Power +22 dBm constant RF output
	77	* High sensitivity: -148 dBm
	78	* Temperature:
	79	** Storage: -55 ~~ +125℃
	80	** Operating: -40 ~~ +85℃
	81	* Humidity:
	82	** Storage: 5 ~~ 95% (Non-Condensing)
	83	** Operating: 10 ~~ 95% (Non-Condensing)
	84	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	85	* LoRa Rx current: <9 mA
	86	* I/O Voltage: 3.3v
1.1	87
134.4	88
	89
	90
87.2	91	== 1.4 AT Command ==
	92
98.2	93
66.1	94	AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
1.1	95
3.1	96
98.4	97
87.2	98	== 1.5 Dimension ==
3.1	99
98.2	100	[[image:image-20220718094750-3.png]]
3.1	101
	102
5.1	103
87.2	104	== 1.6 Pin Mapping ==
	105
101.2	106	[[image:image-20220720111850-1.png]]
87.2	107
5.1	108
	109
87.2	110	== 1.7 Land Pattern ==
	111
5.1	112	[[image:image-20220517072821-2.png]]
	113
	114
	115
87.2	116	= 2. LA66 LoRaWAN Shield =
6.1	117
	118
87.2	119	== 2.1 Overview ==
	120
90.1	121
100.2	122	(((
	123	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	124	)))
90.1	125
100.2	126	(((
	127
	128	)))
	129
	130	(((
100.4	131	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to Arduino projects.
100.2	132	)))
71.1	133
90.1	134	(((
100.2	135	(((
101.4	136	(% style="color:blue" %)LA66(%%) is a ready-to-use module that includes the (% style="color:blue" %)LoRaWAN v1.0.3 protocol(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
90.1	137	)))
100.2	138	)))
71.1	139
90.1	140	(((
100.2	141	(((
90.1	142	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	143	)))
100.2	144	)))
90.1	145
	146	(((
100.2	147	(((
90.1	148	Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)open-source peer-to-peer LoRa Protocol(%%) for the none-LoRaWAN application.
	149	)))
100.2	150	)))
90.1	151
	152	(((
100.2	153	(((
90.1	154	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	155	)))
100.2	156	)))
90.1	157
	158
100.2	159
87.2	160	== 2.2 Features ==
71.1	161
	162	* Arduino Shield base on LA66 LoRaWAN module
	163	* Support LoRaWAN v1.0.4 protocol
	164	* Support peer-to-peer protocol
	165	* TCXO crystal to ensure RF performance on low temperature
	166	* SMA connector
	167	* Available in different frequency LoRaWAN frequency bands.
	168	* World-wide unique OTAA keys.
	169	* AT Command via UART-TTL interface
	170	* Firmware upgradable via UART interface
	171	* Ultra-long RF range
	172
87.2	173	== 2.3 Specification ==
	174
71.1	175	* CPU: 32-bit 48 MHz
	176	* Flash: 256KB
	177	* RAM: 64KB
	178	* Input Power Range: 1.8v ~~ 3.7v
	179	* Power Consumption: < 4uA.
	180	* Frequency Range: 150 MHz ~~ 960 MHz
	181	* Maximum Power +22 dBm constant RF output
	182	* High sensitivity: -148 dBm
	183	* Temperature:
	184	** Storage: -55 ~~ +125℃
	185	** Operating: -40 ~~ +85℃
	186	* Humidity:
	187	** Storage: 5 ~~ 95% (Non-Condensing)
	188	** Operating: 10 ~~ 95% (Non-Condensing)
	189	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	190	* LoRa Rx current: <9 mA
	191	* I/O Voltage: 3.3v
	192
125.1	193	== 2.4 LED ==
11.1	194
125.1	195	~1. The LED lights up red when there is an upstream data packet
	196	2. When the network is successfully connected, the green light will be on for 5 seconds
	197	3. Purple light on when receiving downlink data packets
11.1	198
	199
87.2	200	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	201
	202
134.3	203	Show connection diagram：
	204
	205
125.1	206	[[image:image-20220723170210-2.png\|\|height="908" width="681"]]
87.2	207
125.1	208
134.3	209
	210	1. open Arduino IDE
	211
	212
125.1	213	[[image:image-20220723170545-4.png]]
	214
	215
134.3	216
	217	2. Open project
	218
	219
	220	LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
	221
131.1	222	[[image:image-20220723170750-5.png\|\|height="533" width="930"]]
125.1	223
	224
134.3	225
	226	3. Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload
	227
	228
125.1	229	[[image:image-20220723171228-6.png]]
	230
	231
134.3	232
	233	4. After the upload is successful, open the serial port monitoring and send the AT command
	234
	235
131.1	236	[[image:image-20220723172235-7.png\|\|height="480" width="1027"]]
125.1	237
134.3	238
	239
87.2	240	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	241
	242
134.3	243	1. Open project
	244
	245
	246	Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
	247
131.1	248	[[image:image-20220723172502-8.png]]
87.2	249
131.1	250
134.3	251
	252	2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
	253
	254
131.1	255	[[image:image-20220723172938-9.png\|\|height="652" width="1050"]]
	256
	257
134.2	258
133.1	259	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
87.2	260
	261
134.2	262	1. Open project
	263
	264
	265	Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
	266
	267
131.1	268	[[image:image-20220723173341-10.png\|\|height="581" width="1014"]]
87.2	269
131.1	270
134.2	271
	272	2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
	273
	274
131.1	275	[[image:image-20220723173950-11.png\|\|height="665" width="1012"]]
	276
	277
134.2	278
	279	3. Integration into Node-red via TTNV3
	280
133.1	281	For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
	282
	283	[[image:image-20220723175700-12.png\|\|height="602" width="995"]]
	284
134.2	285
	286
87.2	287	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	288
	289
	290	=== 2.8.1 Items needed for update ===
	291
134.2	292
74.1	293	1. LA66 LoRaWAN Shield
	294	1. Arduino
	295	1. USB TO TTL Adapter
13.1	296
75.1	297	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	298
	299
87.2	300	=== 2.8.2 Connection ===
20.1	301
87.2	302
75.1	303	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	304
	305
87.17	306	(((
87.2	307	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	308	)))
87.2	309
87.16	310	(((
87.2	311	(% style="background-color:yellow" %)**GND <-> GND
87.8	312	TXD <-> TXD
	313	RXD <-> RXD**
87.16	314	)))
87.2	315
	316
77.1	317	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	318
75.1	319	Connect USB TTL Adapter to PC after connecting the wires
20.1	320
	321
75.1	322	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	323
	324
87.2	325	=== 2.8.3 Upgrade steps ===
20.1	326
	327
134.2	328	==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ====
87.2	329
	330
75.1	331	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	332
	333
87.9	334
134.2	335	==== (% style="color:blue" %)2. Press the RST switch once(%%) ====
32.1	336
87.10	337
75.1	338	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	339
75.1	340
87.9	341
134.2	342	==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
75.1	343
39.1	344
87.18	345	(((
87.2	346	(% style="color:blue" %)1. Software download link: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]
87.18	347	)))
87.2	348
	349
32.1	350	[[image:image-20220602103227-6.png]]
	351
87.2	352
32.1	353	[[image:image-20220602103357-7.png]]
	354
	355
87.2	356
76.1	357	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	358	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	359
87.2	360
32.1	361	[[image:image-20220602103844-8.png]]
	362
	363
87.2	364
76.1	365	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	366	(% style="color:blue" %)3. Select the bin file to burn
76.1	367
87.2	368
32.1	369	[[image:image-20220602104144-9.png]]
	370
87.2	371
32.1	372	[[image:image-20220602104251-10.png]]
	373
87.2	374
32.1	375	[[image:image-20220602104402-11.png]]
	376
	377
87.2	378
76.1	379	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	380	(% style="color:blue" %)4. Click to start the download
76.1	381
32.1	382	[[image:image-20220602104923-13.png]]
	383
	384
87.10	385
76.1	386	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	387	(% style="color:blue" %)5. Check update process
76.1	388
87.2	389
32.1	390	[[image:image-20220602104948-14.png]]
	391
	392
87.2	393
76.1	394	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	395	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	396
32.1	397	[[image:image-20220602105251-15.png]]
	398
72.1	399
	400
87.2	401	= 3. LA66 USB LoRaWAN Adapter =
6.1	402
7.1	403
87.2	404	== 3.1 Overview ==
	405
100.3	406
93.1	407	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	408
100.3	409
100.5	410	(((
91.1	411	(% style="color:blue" %)LA66 USB LoRaWAN Adapter(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
100.5	412	)))
52.1	413
100.5	414	(((
101.4	415	(% style="color:blue" %)LA66(%%) is a ready-to-use module that includes the (% style="color:blue" %)LoRaWAN v1.0.3 protocol(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
100.5	416	)))
73.1	417
100.5	418	(((
90.1	419	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	420	)))
90.1	421
100.5	422	(((
90.1	423	Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)open-source peer-to-peer LoRa Protocol(%%) for the none-LoRaWAN application.
100.5	424	)))
90.1	425
100.5	426	(((
90.1	427	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	428	)))
90.1	429
	430
100.3	431
87.2	432	== 3.2 Features ==
73.1	433
	434	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	435	* Ultra-long RF range
	436	* Support LoRaWAN v1.0.4 protocol
	437	* Support peer-to-peer protocol
	438	* TCXO crystal to ensure RF performance on low temperature
	439	* Spring RF antenna
	440	* Available in different frequency LoRaWAN frequency bands.
	441	* World-wide unique OTAA keys.
	442	* AT Command via UART-TTL interface
	443	* Firmware upgradable via UART interface
93.3	444	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	445
134.2	446
	447
87.3	448	== 3.3 Specification ==
73.1	449
	450	* CPU: 32-bit 48 MHz
	451	* Flash: 256KB
	452	* RAM: 64KB
	453	* Input Power Range: 5v
	454	* Frequency Range: 150 MHz ~~ 960 MHz
	455	* Maximum Power +22 dBm constant RF output
	456	* High sensitivity: -148 dBm
	457	* Temperature:
	458	** Storage: -55 ~~ +125℃
	459	** Operating: -40 ~~ +85℃
	460	* Humidity:
	461	** Storage: 5 ~~ 95% (Non-Condensing)
	462	** Operating: 10 ~~ 95% (Non-Condensing)
	463	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	464	* LoRa Rx current: <9 mA
	465
134.2	466
	467
87.3	468	== 3.4 Pin Mapping & LED ==
7.1	469
	470
87.3	471
	472	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	473
	474
100.5	475	(((
78.2	476	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	477	)))
58.1	478
	479
87.3	480	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	481
	482
106.1	483	[[image:image-20220723100027-1.png]]
78.2	484
87.3	485
58.1	486	Open the serial port tool
	487
	488	[[image:image-20220602161617-8.png]]
	489
78.2	490	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	491
	492
	493
87.3	494	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	495
78.2	496	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	497
87.3	498
78.2	499	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	500
78.2	501
	502
87.3	503	(% style="color:blue" %)3. See Uplink Command
78.2	504
87.3	505	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	506
58.1	507	example: AT+SENDB=01,02,8,05820802581ea0a5
	508
78.2	509	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	510
	511
	512
87.3	513	(% style="color:blue" %)4. Check to see if TTN received the message
	514
78.2	515	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	516
	517
	518
87.3	519	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	520
87.3	521
87.1	522	Use python as an example：[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
81.1	523
106.1	524	(Raspberry Pi example: [[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
81.1	525
87.3	526	(% style="color:red" %)Preconditions:
81.1	527
87.3	528	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	529
87.3	530	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	531
	532
	533
87.3	534	(% style="color:blue" %)Steps for usage:
	535
	536	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	537
	538	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	539
81.1	540	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	541
	542
	543
87.4	544	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	545
87.4	546
79.1	547	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	548
79.1	549
87.5	550	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	551
106.1	552	[[image:image-20220723100439-2.png]]
43.1	553
52.1	554
	555
87.4	556	(% style="color:blue" %)2. Install Minicom in RPi.
	557
79.1	558	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	559
87.4	560	(% style="background-color:yellow" %)apt update
52.1	561
87.4	562	(% style="background-color:yellow" %)apt install minicom
52.1	563
	564
79.1	565	Use minicom to connect to the RPI's terminal
52.1	566
79.1	567	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	568
	569
87.4	570
87.11	571	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	572
87.11	573	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	574
	575
79.1	576	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	577
	578
	579
87.4	580	(% style="color:blue" %)4. Send Uplink message
46.1	581
87.5	582	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	583
79.1	584	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	585
87.4	586
79.1	587	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	588
87.4	589
	590
79.1	591	Check to see if TTN received the message
	592
	593	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	594
	595
	596
134.1	597	== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
11.1	598
134.2	599
106.1	600	=== 3.8.1 DRAGINO-LA66-APP ===
13.1	601
134.2	602
106.1	603	[[image:image-20220723102027-3.png]]
63.1	604
106.1	605
134.2	606
	607	==== (% style="color:blue" %)Overview：(%%) ====
	608
	609
134.1	610	DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter.
106.1	611
111.1	612	View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
	613
106.1	614
134.2	615
	616	==== (% style="color:blue" %)Conditions of Use：(%%) ====
	617
	618
106.1	619	Requires a type-c to USB adapter
	620
	621	[[image:image-20220723104754-4.png]]
	622
	623
134.2	624
	625	==== (% style="color:blue" %)Use of APP:(%%) ====
	626
	627
110.1	628	Function and page introduction
	629
	630	[[image:image-20220723113448-7.png\|\|height="1481" width="670"]]
	631
	632	1.Display LA66 USB LoRaWAN Module connection status
	633
	634	2.Check and reconnect
	635
	636	3.Turn send timestamps on or off
	637
	638	4.Display LoRaWan connection status
	639
	640	5.Check LoRaWan connection status
	641
	642	6.The RSSI value of the node when the ACK is received
	643
	644	7.Node's Signal Strength Icon
	645
	646	8.Set the packet sending interval of the node in seconds
	647
	648	9.AT command input box
	649
	650	10.Send AT command button
	651
	652	11.Node log box
	653
	654	12.clear log button
	655
	656	13.exit button
	657
134.2	658
106.1	659	LA66 USB LoRaWAN Module not connected
	660
110.1	661	[[image:image-20220723110520-5.png\|\|height="903" width="677"]]
106.1	662
134.2	663
	664
110.1	665	Connect LA66 USB LoRaWAN Module
106.1	666
110.1	667	[[image:image-20220723110626-6.png\|\|height="906" width="680"]]
	668
134.2	669
	670
134.1	671	=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
111.1	672
	673
134.2	674	1. Register LA66 USB LoRaWAN Module to TTNV3
	675
113.1	676	[[image:image-20220723134549-8.png]]
	677
	678
134.2	679
	680	2. Open Node-RED,And import the JSON file to generate the flow
	681
117.1	682	Sample JSON file please go to this link to download：放置JSON文件的链接
	683
115.1	684	For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
113.1	685
117.1	686	The following is the positioning effect map
	687
	688	[[image:image-20220723144339-1.png]]
	689
134.2	690
	691
87.4	692	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	693
134.2	694
134.1	695	The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
73.1	696
119.1	697	Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
73.1	698
119.1	699	[[image:image-20220723150132-2.png]]
73.1	700
119.1	701
134.2	702
87.4	703	= 4. Order Info =
73.1	704
87.4	705
87.5	706	Part Number: (% style="color:blue" %)LA66-XXX(%%), (% style="color:blue" %)LA66-LoRaWAN-Shield-XXX (%%) or (% style="color:blue" %)LA66-USB-LoRaWAN-Adapter-XXX
87.4	707
	708
87.5	709	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	710
87.5	711	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	712	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	713	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	714	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	715	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	716	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	717	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	718	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	719	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	720
134.2	721
87.4	722	= 5. Reference =
	723
134.2	724
78.1	725	* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]

Wiki source code of LA66 LoRaWAN Module

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