Wiki source code of LA66 LoRaWAN Module

Version 134.6 by Xiaoling on 2022/07/26 10:41

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	(((
	21
	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
87.2	67	== 1.3 Specification ==
	68
68.1	69	* CPU: 32-bit 48 MHz
	70	* Flash: 256KB
	71	* RAM: 64KB
66.1	72	* Input Power Range: 1.8v ~~ 3.7v
	73	* Power Consumption: < 4uA.
	74	* Frequency Range: 150 MHz ~~ 960 MHz
	75	* Maximum Power +22 dBm constant RF output
	76	* High sensitivity: -148 dBm
	77	* Temperature:
	78	** Storage: -55 ~~ +125℃
	79	** Operating: -40 ~~ +85℃
	80	* Humidity:
	81	** Storage: 5 ~~ 95% (Non-Condensing)
	82	** Operating: 10 ~~ 95% (Non-Condensing)
	83	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	84	* LoRa Rx current: <9 mA
	85	* I/O Voltage: 3.3v
1.1	86
134.4	87
	88
87.2	89	== 1.4 AT Command ==
	90
98.2	91
66.1	92	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	93
3.1	94
98.4	95
87.2	96	== 1.5 Dimension ==
3.1	97
98.2	98	[[image:image-20220718094750-3.png]]
3.1	99
	100
5.1	101
87.2	102	== 1.6 Pin Mapping ==
	103
101.2	104	[[image:image-20220720111850-1.png]]
87.2	105
5.1	106
	107
87.2	108	== 1.7 Land Pattern ==
	109
5.1	110	[[image:image-20220517072821-2.png]]
	111
	112
	113
87.2	114	= 2. LA66 LoRaWAN Shield =
6.1	115
	116
87.2	117	== 2.1 Overview ==
	118
90.1	119
100.2	120	(((
	121	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	122	)))
90.1	123
100.2	124	(((
	125
	126	)))
	127
	128	(((
100.4	129	(% 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	130	)))
71.1	131
90.1	132	(((
100.2	133	(((
101.4	134	(% 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	135	)))
100.2	136	)))
71.1	137
90.1	138	(((
100.2	139	(((
90.1	140	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	141	)))
100.2	142	)))
90.1	143
	144	(((
100.2	145	(((
90.1	146	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.
	147	)))
100.2	148	)))
90.1	149
	150	(((
100.2	151	(((
90.1	152	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	153	)))
100.2	154	)))
90.1	155
	156
100.2	157
87.2	158	== 2.2 Features ==
71.1	159
	160	* Arduino Shield base on LA66 LoRaWAN module
	161	* Support LoRaWAN v1.0.4 protocol
	162	* Support peer-to-peer protocol
	163	* TCXO crystal to ensure RF performance on low temperature
	164	* SMA connector
	165	* Available in different frequency LoRaWAN frequency bands.
	166	* World-wide unique OTAA keys.
	167	* AT Command via UART-TTL interface
	168	* Firmware upgradable via UART interface
	169	* Ultra-long RF range
	170
134.5	171
	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
134.5	193
	194
125.1	195	== 2.4 LED ==
11.1	196
134.5	197
125.1	198	~1. The LED lights up red when there is an upstream data packet
	199	2. When the network is successfully connected, the green light will be on for 5 seconds
	200	3. Purple light on when receiving downlink data packets
11.1	201
	202
134.5	203
87.2	204	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	205
	206
134.3	207	Show connection diagram：
	208
	209
125.1	210	[[image:image-20220723170210-2.png\|\|height="908" width="681"]]
87.2	211
125.1	212
134.3	213
134.6	214	(% style="color:blue" %)1. open Arduino IDE
134.3	215
	216
125.1	217	[[image:image-20220723170545-4.png]]
	218
	219
134.3	220
134.6	221	(% style="color:blue" %)2. Open project
134.3	222
	223
	224	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]]
	225
125.1	226
	227
134.3	228
134.6	229	(% style="color:blue" %)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
134.3	230
	231
125.1	232
134.6	233	(% style="color:blue" %)4. After the upload is successful, open the serial port monitoring and send the AT command
125.1	234
134.3	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
134.6	243	(% style="color:blue" %)1. Open project
134.3	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
134.6	252	(% style="color:blue" %)2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
134.3	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
134.6	262	(% style="color:blue" %)1. Open project
134.2	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
134.6	272	(% style="color:blue" %)2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
134.2	273
	274
131.1	275	[[image:image-20220723173950-11.png\|\|height="665" width="1012"]]
	276
	277
134.2	278
134.6	279	(% style="color:blue" %)3. Integration into Node-red via TTNV3
134.2	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
87.3	447	== 3.3 Specification ==
73.1	448
	449	* CPU: 32-bit 48 MHz
	450	* Flash: 256KB
	451	* RAM: 64KB
	452	* Input Power Range: 5v
	453	* Frequency Range: 150 MHz ~~ 960 MHz
	454	* Maximum Power +22 dBm constant RF output
	455	* High sensitivity: -148 dBm
	456	* Temperature:
	457	** Storage: -55 ~~ +125℃
	458	** Operating: -40 ~~ +85℃
	459	* Humidity:
	460	** Storage: 5 ~~ 95% (Non-Condensing)
	461	** Operating: 10 ~~ 95% (Non-Condensing)
	462	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	463	* LoRa Rx current: <9 mA
	464
134.2	465
87.3	466	== 3.4 Pin Mapping & LED ==
7.1	467
	468
87.3	469
	470	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	471
	472
100.5	473	(((
78.2	474	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	475	)))
58.1	476
	477
87.3	478	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	479
	480
106.1	481	[[image:image-20220723100027-1.png]]
78.2	482
87.3	483
58.1	484	Open the serial port tool
	485
	486	[[image:image-20220602161617-8.png]]
	487
78.2	488	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	489
	490
	491
87.3	492	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	493
78.2	494	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	495
87.3	496
78.2	497	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	498
78.2	499
	500
87.3	501	(% style="color:blue" %)3. See Uplink Command
78.2	502
87.3	503	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	504
58.1	505	example: AT+SENDB=01,02,8,05820802581ea0a5
	506
78.2	507	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	508
	509
	510
87.3	511	(% style="color:blue" %)4. Check to see if TTN received the message
	512
78.2	513	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	514
	515
	516
87.3	517	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	518
87.3	519
87.1	520	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	521
106.1	522	(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	523
87.3	524	(% style="color:red" %)Preconditions:
81.1	525
87.3	526	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	527
87.3	528	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	529
	530
	531
87.3	532	(% style="color:blue" %)Steps for usage:
	533
	534	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	535
	536	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	537
81.1	538	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	539
	540
	541
87.4	542	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	543
87.4	544
79.1	545	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	546
79.1	547
87.5	548	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	549
106.1	550	[[image:image-20220723100439-2.png]]
43.1	551
52.1	552
	553
87.4	554	(% style="color:blue" %)2. Install Minicom in RPi.
	555
79.1	556	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	557
87.4	558	(% style="background-color:yellow" %)apt update
52.1	559
87.4	560	(% style="background-color:yellow" %)apt install minicom
52.1	561
	562
79.1	563	Use minicom to connect to the RPI's terminal
52.1	564
79.1	565	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	566
	567
87.4	568
87.11	569	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	570
87.11	571	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	572
	573
79.1	574	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	575
	576
	577
87.4	578	(% style="color:blue" %)4. Send Uplink message
46.1	579
87.5	580	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	581
79.1	582	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	583
87.4	584
79.1	585	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	586
87.4	587
	588
79.1	589	Check to see if TTN received the message
	590
	591	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	592
	593
	594
134.1	595	== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
11.1	596
134.2	597
106.1	598	=== 3.8.1 DRAGINO-LA66-APP ===
13.1	599
134.2	600
106.1	601	[[image:image-20220723102027-3.png]]
63.1	602
106.1	603
134.2	604
	605	==== (% style="color:blue" %)Overview：(%%) ====
	606
	607
134.1	608	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	609
111.1	610	View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
	611
106.1	612
134.2	613
	614	==== (% style="color:blue" %)Conditions of Use：(%%) ====
	615
	616
106.1	617	Requires a type-c to USB adapter
	618
	619	[[image:image-20220723104754-4.png]]
	620
	621
134.2	622
	623	==== (% style="color:blue" %)Use of APP:(%%) ====
	624
	625
110.1	626	Function and page introduction
	627
	628	[[image:image-20220723113448-7.png\|\|height="1481" width="670"]]
	629
	630	1.Display LA66 USB LoRaWAN Module connection status
	631
	632	2.Check and reconnect
	633
	634	3.Turn send timestamps on or off
	635
	636	4.Display LoRaWan connection status
	637
	638	5.Check LoRaWan connection status
	639
	640	6.The RSSI value of the node when the ACK is received
	641
	642	7.Node's Signal Strength Icon
	643
	644	8.Set the packet sending interval of the node in seconds
	645
	646	9.AT command input box
	647
	648	10.Send AT command button
	649
	650	11.Node log box
	651
	652	12.clear log button
	653
	654	13.exit button
	655
134.2	656
106.1	657	LA66 USB LoRaWAN Module not connected
	658
110.1	659	[[image:image-20220723110520-5.png\|\|height="903" width="677"]]
106.1	660
134.2	661
	662
110.1	663	Connect LA66 USB LoRaWAN Module
106.1	664
110.1	665	[[image:image-20220723110626-6.png\|\|height="906" width="680"]]
	666
134.2	667
	668
134.1	669	=== 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	670
	671
134.2	672	1. Register LA66 USB LoRaWAN Module to TTNV3
	673
113.1	674	[[image:image-20220723134549-8.png]]
	675
	676
134.2	677
	678	2. Open Node-RED,And import the JSON file to generate the flow
	679
117.1	680	Sample JSON file please go to this link to download：放置JSON文件的链接
	681
115.1	682	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	683
117.1	684	The following is the positioning effect map
	685
	686	[[image:image-20220723144339-1.png]]
	687
134.2	688
	689
87.4	690	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	691
134.2	692
134.1	693	The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
73.1	694
119.1	695	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	696
119.1	697	[[image:image-20220723150132-2.png]]
73.1	698
119.1	699
134.2	700
87.4	701	= 4. Order Info =
73.1	702
87.4	703
87.5	704	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	705
	706
87.5	707	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	708
87.5	709	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	710	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	711	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	712	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	713	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	714	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	715	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	716	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	717	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	718
87.4	719	= 5. Reference =
	720
134.2	721
78.1	722	* 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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