Wiki source code of LA66 LoRaWAN Module

Version 137.6 by Xiaoling on 2022/07/29 09:20

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
137.6	55
68.1	56	* Support LoRaWAN v1.0.4 protocol
	57	* Support peer-to-peer protocol
	58	* TCXO crystal to ensure RF performance on low temperature
	59	* SMD Antenna pad and i-pex antenna connector
	60	* Available in different frequency LoRaWAN frequency bands.
	61	* World-wide unique OTAA keys.
69.1	62	* AT Command via UART-TTL interface
	63	* Firmware upgradable via UART interface
	64	* Ultra-long RF range
64.1	65
137.6	66
	67
	68
	69
87.2	70	== 1.3 Specification ==
	71
137.6	72
68.1	73	* CPU: 32-bit 48 MHz
	74	* Flash: 256KB
	75	* RAM: 64KB
66.1	76	* Input Power Range: 1.8v ~~ 3.7v
	77	* Power Consumption: < 4uA.
	78	* Frequency Range: 150 MHz ~~ 960 MHz
	79	* Maximum Power +22 dBm constant RF output
	80	* High sensitivity: -148 dBm
	81	* Temperature:
	82	** Storage: -55 ~~ +125℃
	83	** Operating: -40 ~~ +85℃
	84	* Humidity:
	85	** Storage: 5 ~~ 95% (Non-Condensing)
	86	** Operating: 10 ~~ 95% (Non-Condensing)
	87	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	88	* LoRa Rx current: <9 mA
	89	* I/O Voltage: 3.3v
1.1	90
137.6	91
	92
	93
	94
87.2	95	== 1.4 AT Command ==
	96
98.2	97
66.1	98	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	99
3.1	100
98.4	101
87.2	102	== 1.5 Dimension ==
3.1	103
98.2	104	[[image:image-20220718094750-3.png]]
3.1	105
	106
5.1	107
87.2	108	== 1.6 Pin Mapping ==
	109
101.2	110	[[image:image-20220720111850-1.png]]
87.2	111
5.1	112
	113
87.2	114	== 1.7 Land Pattern ==
	115
137.6	116
5.1	117	[[image:image-20220517072821-2.png]]
	118
	119
	120
87.2	121	= 2. LA66 LoRaWAN Shield =
6.1	122
	123
87.2	124	== 2.1 Overview ==
	125
90.1	126
100.2	127	(((
	128	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	129	)))
90.1	130
100.2	131	(((
	132
	133	)))
	134
	135	(((
100.4	136	(% 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	137	)))
71.1	138
90.1	139	(((
100.2	140	(((
101.4	141	(% 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	142	)))
100.2	143	)))
71.1	144
90.1	145	(((
100.2	146	(((
90.1	147	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	148	)))
100.2	149	)))
90.1	150
	151	(((
100.2	152	(((
90.1	153	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.
	154	)))
100.2	155	)))
90.1	156
	157	(((
100.2	158	(((
90.1	159	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	160	)))
100.2	161	)))
90.1	162
	163
100.2	164
87.2	165	== 2.2 Features ==
71.1	166
137.6	167
71.1	168	* Arduino Shield base on LA66 LoRaWAN module
	169	* Support LoRaWAN v1.0.4 protocol
	170	* Support peer-to-peer protocol
	171	* TCXO crystal to ensure RF performance on low temperature
	172	* SMA connector
	173	* Available in different frequency LoRaWAN frequency bands.
	174	* World-wide unique OTAA keys.
	175	* AT Command via UART-TTL interface
	176	* Firmware upgradable via UART interface
	177	* Ultra-long RF range
	178
137.6	179
	180
	181
	182
87.2	183	== 2.3 Specification ==
	184
137.6	185
71.1	186	* CPU: 32-bit 48 MHz
	187	* Flash: 256KB
	188	* RAM: 64KB
	189	* Input Power Range: 1.8v ~~ 3.7v
	190	* Power Consumption: < 4uA.
	191	* Frequency Range: 150 MHz ~~ 960 MHz
	192	* Maximum Power +22 dBm constant RF output
	193	* High sensitivity: -148 dBm
	194	* Temperature:
	195	** Storage: -55 ~~ +125℃
	196	** Operating: -40 ~~ +85℃
	197	* Humidity:
	198	** Storage: 5 ~~ 95% (Non-Condensing)
	199	** Operating: 10 ~~ 95% (Non-Condensing)
	200	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	201	* LoRa Rx current: <9 mA
	202	* I/O Voltage: 3.3v
	203
137.6	204
	205
	206
	207
125.1	208	== 2.4 LED ==
11.1	209
134.5	210
125.1	211	~1. The LED lights up red when there is an upstream data packet
	212	2. When the network is successfully connected, the green light will be on for 5 seconds
	213	3. Purple light on when receiving downlink data packets
11.1	214
	215
134.5	216
87.2	217	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	218
	219
134.3	220	Show connection diagram：
	221
	222
125.1	223	[[image:image-20220723170210-2.png\|\|height="908" width="681"]]
87.2	224
125.1	225
134.3	226
134.6	227	(% style="color:blue" %)1. open Arduino IDE
134.3	228
	229
125.1	230	[[image:image-20220723170545-4.png]]
	231
	232
134.3	233
134.6	234	(% style="color:blue" %)2. Open project
134.3	235
	236
134.7	237	LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
134.3	238
137.1	239	[[image:image-20220726135239-1.png]]
125.1	240
	241
134.6	242	(% 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	243
137.1	244	[[image:image-20220726135356-2.png]]
134.3	245
125.1	246
134.6	247	(% style="color:blue" %)4. After the upload is successful, open the serial port monitoring and send the AT command
125.1	248
134.3	249
131.1	250	[[image:image-20220723172235-7.png\|\|height="480" width="1027"]]
125.1	251
134.3	252
	253
87.2	254	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	255
	256
134.6	257	(% style="color:blue" %)1. Open project
134.3	258
	259
134.7	260	Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
134.3	261
134.7	262
131.1	263	[[image:image-20220723172502-8.png]]
87.2	264
131.1	265
134.3	266
134.6	267	(% 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	268
	269
131.1	270	[[image:image-20220723172938-9.png\|\|height="652" width="1050"]]
	271
	272
134.2	273
133.1	274	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
87.2	275
	276
134.6	277	(% style="color:blue" %)1. Open project
134.2	278
	279
134.7	280	Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
134.2	281
	282
131.1	283	[[image:image-20220723173341-10.png\|\|height="581" width="1014"]]
87.2	284
131.1	285
134.2	286
134.6	287	(% 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	288
	289
131.1	290	[[image:image-20220723173950-11.png\|\|height="665" width="1012"]]
	291
	292
134.2	293
134.6	294	(% style="color:blue" %)3. Integration into Node-red via TTNV3
134.2	295
133.1	296	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/]]
	297
	298	[[image:image-20220723175700-12.png\|\|height="602" width="995"]]
	299
134.2	300
	301
87.2	302	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	303
	304
	305	=== 2.8.1 Items needed for update ===
	306
134.2	307
74.1	308	1. LA66 LoRaWAN Shield
	309	1. Arduino
	310	1. USB TO TTL Adapter
13.1	311
75.1	312	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	313
	314
137.6	315
87.2	316	=== 2.8.2 Connection ===
20.1	317
87.2	318
75.1	319	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	320
	321
87.17	322	(((
87.2	323	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	324	)))
87.2	325
87.16	326	(((
87.2	327	(% style="background-color:yellow" %)**GND <-> GND
87.8	328	TXD <-> TXD
	329	RXD <-> RXD**
87.16	330	)))
87.2	331
	332
77.1	333	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	334
75.1	335	Connect USB TTL Adapter to PC after connecting the wires
20.1	336
	337
75.1	338	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	339
	340
137.6	341
87.2	342	=== 2.8.3 Upgrade steps ===
20.1	343
	344
134.2	345	==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ====
87.2	346
	347
75.1	348	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	349
	350
87.9	351
134.2	352	==== (% style="color:blue" %)2. Press the RST switch once(%%) ====
32.1	353
87.10	354
75.1	355	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	356
75.1	357
87.9	358
134.2	359	==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
75.1	360
39.1	361
87.18	362	(((
87.2	363	(% 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	364	)))
87.2	365
	366
32.1	367	[[image:image-20220602103227-6.png]]
	368
87.2	369
32.1	370	[[image:image-20220602103357-7.png]]
	371
	372
87.2	373
76.1	374	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	375	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	376
87.2	377
32.1	378	[[image:image-20220602103844-8.png]]
	379
	380
87.2	381
76.1	382	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	383	(% style="color:blue" %)3. Select the bin file to burn
76.1	384
87.2	385
32.1	386	[[image:image-20220602104144-9.png]]
	387
87.2	388
32.1	389	[[image:image-20220602104251-10.png]]
	390
87.2	391
32.1	392	[[image:image-20220602104402-11.png]]
	393
	394
87.2	395
76.1	396	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	397	(% style="color:blue" %)4. Click to start the download
76.1	398
32.1	399	[[image:image-20220602104923-13.png]]
	400
	401
87.10	402
76.1	403	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	404	(% style="color:blue" %)5. Check update process
76.1	405
87.2	406
32.1	407	[[image:image-20220602104948-14.png]]
	408
	409
87.2	410
76.1	411	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	412	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	413
32.1	414	[[image:image-20220602105251-15.png]]
	415
72.1	416
	417
87.2	418	= 3. LA66 USB LoRaWAN Adapter =
6.1	419
7.1	420
87.2	421	== 3.1 Overview ==
	422
100.3	423
93.1	424	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	425
100.3	426
100.5	427	(((
91.1	428	(% 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	429	)))
52.1	430
100.5	431	(((
101.4	432	(% 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	433	)))
73.1	434
100.5	435	(((
90.1	436	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	437	)))
90.1	438
100.5	439	(((
90.1	440	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	441	)))
90.1	442
100.5	443	(((
90.1	444	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	445	)))
90.1	446
	447
100.3	448
87.2	449	== 3.2 Features ==
73.1	450
137.6	451
73.1	452	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	453	* Ultra-long RF range
	454	* Support LoRaWAN v1.0.4 protocol
	455	* Support peer-to-peer protocol
	456	* TCXO crystal to ensure RF performance on low temperature
	457	* Spring RF antenna
	458	* Available in different frequency LoRaWAN frequency bands.
	459	* World-wide unique OTAA keys.
	460	* AT Command via UART-TTL interface
	461	* Firmware upgradable via UART interface
93.3	462	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	463
137.6	464
	465
	466
	467
87.3	468	== 3.3 Specification ==
73.1	469
137.6	470
73.1	471	* CPU: 32-bit 48 MHz
	472	* Flash: 256KB
	473	* RAM: 64KB
	474	* Input Power Range: 5v
	475	* Frequency Range: 150 MHz ~~ 960 MHz
	476	* Maximum Power +22 dBm constant RF output
	477	* High sensitivity: -148 dBm
	478	* Temperature:
	479	** Storage: -55 ~~ +125℃
	480	** Operating: -40 ~~ +85℃
	481	* Humidity:
	482	** Storage: 5 ~~ 95% (Non-Condensing)
	483	** Operating: 10 ~~ 95% (Non-Condensing)
	484	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	485	* LoRa Rx current: <9 mA
	486
137.6	487
	488
	489
	490
87.3	491	== 3.4 Pin Mapping & LED ==
7.1	492
	493
87.3	494
	495	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	496
	497
100.5	498	(((
78.2	499	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	500	)))
58.1	501
	502
87.3	503	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	504
	505
106.1	506	[[image:image-20220723100027-1.png]]
78.2	507
87.3	508
58.1	509	Open the serial port tool
	510
	511	[[image:image-20220602161617-8.png]]
	512
78.2	513	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	514
	515
	516
87.3	517	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	518
78.2	519	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	520
87.3	521
78.2	522	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	523
78.2	524
	525
87.3	526	(% style="color:blue" %)3. See Uplink Command
78.2	527
87.3	528	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	529
58.1	530	example: AT+SENDB=01,02,8,05820802581ea0a5
	531
78.2	532	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	533
	534
	535
87.3	536	(% style="color:blue" %)4. Check to see if TTN received the message
	537
78.2	538	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	539
	540
	541
87.3	542	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	543
87.3	544
87.1	545	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	546
106.1	547	(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	548
87.3	549	(% style="color:red" %)Preconditions:
81.1	550
87.3	551	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	552
87.3	553	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	554
	555
	556
87.3	557	(% style="color:blue" %)Steps for usage:
	558
	559	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	560
	561	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	562
81.1	563	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	564
	565
	566
87.4	567	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	568
87.4	569
79.1	570	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	571
79.1	572
87.5	573	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	574
106.1	575	[[image:image-20220723100439-2.png]]
43.1	576
52.1	577
	578
87.4	579	(% style="color:blue" %)2. Install Minicom in RPi.
	580
79.1	581	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	582
87.4	583	(% style="background-color:yellow" %)apt update
52.1	584
87.4	585	(% style="background-color:yellow" %)apt install minicom
52.1	586
	587
79.1	588	Use minicom to connect to the RPI's terminal
52.1	589
79.1	590	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	591
	592
87.4	593
87.11	594	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	595
87.11	596	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	597
	598
79.1	599	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	600
	601
	602
87.4	603	(% style="color:blue" %)4. Send Uplink message
46.1	604
87.5	605	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	606
79.1	607	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	608
87.4	609
79.1	610	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	611
87.4	612
	613
79.1	614	Check to see if TTN received the message
	615
	616	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	617
	618
	619
134.1	620	== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
11.1	621
134.2	622
134.10	623	=== 3.8.1 DRAGINO-LA66-APP ===
13.1	624
134.2	625
106.1	626	[[image:image-20220723102027-3.png]]
63.1	627
106.1	628
134.2	629
	630	==== (% style="color:blue" %)Overview：(%%) ====
	631
	632
134.9	633	(((
134.1	634	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.
134.9	635	)))
106.1	636
134.9	637	(((
111.1	638	View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
134.9	639	)))
111.1	640
106.1	641
134.2	642
	643	==== (% style="color:blue" %)Conditions of Use：(%%) ====
	644
	645
106.1	646	Requires a type-c to USB adapter
	647
	648	[[image:image-20220723104754-4.png]]
	649
	650
134.2	651
	652	==== (% style="color:blue" %)Use of APP:(%%) ====
	653
	654
110.1	655	Function and page introduction
	656
	657	[[image:image-20220723113448-7.png\|\|height="1481" width="670"]]
	658
134.9	659
110.1	660	1.Display LA66 USB LoRaWAN Module connection status
	661
	662	2.Check and reconnect
	663
	664	3.Turn send timestamps on or off
	665
	666	4.Display LoRaWan connection status
	667
	668	5.Check LoRaWan connection status
	669
	670	6.The RSSI value of the node when the ACK is received
	671
	672	7.Node's Signal Strength Icon
	673
	674	8.Set the packet sending interval of the node in seconds
	675
	676	9.AT command input box
	677
	678	10.Send AT command button
	679
	680	11.Node log box
	681
	682	12.clear log button
	683
	684	13.exit button
	685
134.2	686
106.1	687	LA66 USB LoRaWAN Module not connected
	688
110.1	689	[[image:image-20220723110520-5.png\|\|height="903" width="677"]]
106.1	690
134.2	691
	692
110.1	693	Connect LA66 USB LoRaWAN Module
106.1	694
110.1	695	[[image:image-20220723110626-6.png\|\|height="906" width="680"]]
	696
134.2	697
	698
134.8	699	=== 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	700
	701
134.8	702	(% style="color:blue" %)1. Register LA66 USB LoRaWAN Module to TTNV3
134.2	703
113.1	704	[[image:image-20220723134549-8.png]]
	705
	706
134.2	707
134.8	708	(% style="color:blue" %)2. Open Node-RED,And import the JSON file to generate the flow
134.2	709
117.1	710	Sample JSON file please go to this link to download：放置JSON文件的链接
	711
115.1	712	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	713
117.1	714	The following is the positioning effect map
	715
	716	[[image:image-20220723144339-1.png]]
	717
134.2	718
	719
87.4	720	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	721
134.2	722
134.1	723	The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
73.1	724
119.1	725	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	726
119.1	727	[[image:image-20220723150132-2.png]]
73.1	728
119.1	729
134.2	730
137.2	731	= 4. FAQ =
73.1	732
87.4	733
137.2	734	== 4.1 How to Compile Source Code for LA66? ==
	735
	736
137.3	737	Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
137.2	738
	739
	740
	741	= 5. Order Info =
	742
	743
87.5	744	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	745
	746
87.5	747	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	748
87.5	749	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	750	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	751	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	752	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	753	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	754	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	755	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	756	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	757	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	758
137.5	759
	760
	761
	762
137.2	763	= 6. Reference =
134.12	764
87.4	765
78.1	766	* 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

Applications

Navigation