Wiki source code of LA66 LoRaWAN Shield User Manual

Version 146.3 by Xiaoling on 2022/08/16 10:59

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
87.2	66	== 1.3 Specification ==
	67
137.6	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
87.2	87	== 1.4 AT Command ==
	88
98.2	89
66.1	90	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	91
3.1	92
98.4	93
87.2	94	== 1.5 Dimension ==
3.1	95
98.2	96	[[image:image-20220718094750-3.png]]
3.1	97
	98
5.1	99
87.2	100	== 1.6 Pin Mapping ==
	101
101.2	102	[[image:image-20220720111850-1.png]]
87.2	103
5.1	104
	105
87.2	106	== 1.7 Land Pattern ==
	107
137.6	108
5.1	109	[[image:image-20220517072821-2.png]]
	110
	111
	112
87.2	113	= 2. LA66 LoRaWAN Shield =
6.1	114
	115
87.2	116	== 2.1 Overview ==
	117
90.1	118
100.2	119	(((
	120	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	121	)))
90.1	122
100.2	123	(((
	124
	125	)))
	126
	127	(((
100.4	128	(% 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	129	)))
71.1	130
90.1	131	(((
100.2	132	(((
101.4	133	(% 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	134	)))
100.2	135	)))
71.1	136
90.1	137	(((
100.2	138	(((
90.1	139	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	140	)))
100.2	141	)))
90.1	142
	143	(((
100.2	144	(((
90.1	145	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.
	146	)))
100.2	147	)))
90.1	148
	149	(((
100.2	150	(((
90.1	151	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	152	)))
100.2	153	)))
90.1	154
	155
100.2	156
87.2	157	== 2.2 Features ==
71.1	158
137.6	159
71.1	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
87.2	171	== 2.3 Specification ==
	172
137.6	173
71.1	174	* CPU: 32-bit 48 MHz
	175	* Flash: 256KB
	176	* RAM: 64KB
	177	* Input Power Range: 1.8v ~~ 3.7v
	178	* Power Consumption: < 4uA.
	179	* Frequency Range: 150 MHz ~~ 960 MHz
	180	* Maximum Power +22 dBm constant RF output
	181	* High sensitivity: -148 dBm
	182	* Temperature:
	183	** Storage: -55 ~~ +125℃
	184	** Operating: -40 ~~ +85℃
	185	* Humidity:
	186	** Storage: 5 ~~ 95% (Non-Condensing)
	187	** Operating: 10 ~~ 95% (Non-Condensing)
	188	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	189	* LoRa Rx current: <9 mA
	190	* I/O Voltage: 3.3v
	191
144.1	192	== 2.4 Pin Mapping & LED ==
137.6	193
11.1	194
146.1	195	[[image:image-20220814101457-1.png\|\|height="553" width="761"]]
	196
125.1	197	~1. The LED lights up red when there is an upstream data packet
	198	2. When the network is successfully connected, the green light will be on for 5 seconds
	199	3. Purple light on when receiving downlink data packets
11.1	200
	201
134.5	202
87.2	203	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	204
	205
134.3	206	Show connection diagram：
	207
	208
125.1	209	[[image:image-20220723170210-2.png\|\|height="908" width="681"]]
87.2	210
125.1	211
134.3	212
134.6	213	(% style="color:blue" %)1. open Arduino IDE
134.3	214
	215
125.1	216	[[image:image-20220723170545-4.png]]
	217
	218
134.3	219
134.6	220	(% style="color:blue" %)2. Open project
134.3	221
	222
134.7	223	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	224
137.1	225	[[image:image-20220726135239-1.png]]
125.1	226
	227
134.6	228	(% 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	229
137.1	230	[[image:image-20220726135356-2.png]]
134.3	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
134.7	246	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	247
134.7	248
131.1	249	[[image:image-20220723172502-8.png]]
87.2	250
131.1	251
134.3	252
134.6	253	(% 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	254
	255
131.1	256	[[image:image-20220723172938-9.png\|\|height="652" width="1050"]]
	257
	258
134.2	259
133.1	260	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
87.2	261
	262
134.6	263	(% style="color:blue" %)1. Open project
134.2	264
	265
134.7	266	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	267
	268
131.1	269	[[image:image-20220723173341-10.png\|\|height="581" width="1014"]]
87.2	270
131.1	271
134.2	272
134.6	273	(% 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	274
	275
131.1	276	[[image:image-20220723173950-11.png\|\|height="665" width="1012"]]
	277
	278
134.2	279
134.6	280	(% style="color:blue" %)3. Integration into Node-red via TTNV3
134.2	281
133.1	282	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/]]
	283
	284	[[image:image-20220723175700-12.png\|\|height="602" width="995"]]
	285
134.2	286
	287
87.2	288	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	289
	290
	291	=== 2.8.1 Items needed for update ===
	292
134.2	293
74.1	294	1. LA66 LoRaWAN Shield
	295	1. Arduino
	296	1. USB TO TTL Adapter
13.1	297
75.1	298	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	299
	300
137.6	301
87.2	302	=== 2.8.2 Connection ===
20.1	303
87.2	304
75.1	305	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	306
	307
87.17	308	(((
87.2	309	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	310	)))
87.2	311
87.16	312	(((
87.2	313	(% style="background-color:yellow" %)**GND <-> GND
87.8	314	TXD <-> TXD
	315	RXD <-> RXD**
87.16	316	)))
87.2	317
	318
77.1	319	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	320
75.1	321	Connect USB TTL Adapter to PC after connecting the wires
20.1	322
	323
75.1	324	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	325
	326
137.6	327
87.2	328	=== 2.8.3 Upgrade steps ===
20.1	329
	330
134.2	331	==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ====
87.2	332
	333
75.1	334	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	335
	336
87.9	337
134.2	338	==== (% style="color:blue" %)2. Press the RST switch once(%%) ====
32.1	339
87.10	340
75.1	341	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	342
75.1	343
87.9	344
134.2	345	==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
75.1	346
39.1	347
87.18	348	(((
87.2	349	(% 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	350	)))
87.2	351
	352
32.1	353	[[image:image-20220602103227-6.png]]
	354
87.2	355
32.1	356	[[image:image-20220602103357-7.png]]
	357
	358
87.2	359
76.1	360	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	361	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	362
87.2	363
32.1	364	[[image:image-20220602103844-8.png]]
	365
	366
87.2	367
76.1	368	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	369	(% style="color:blue" %)3. Select the bin file to burn
76.1	370
87.2	371
32.1	372	[[image:image-20220602104144-9.png]]
	373
87.2	374
32.1	375	[[image:image-20220602104251-10.png]]
	376
87.2	377
32.1	378	[[image:image-20220602104402-11.png]]
	379
	380
87.2	381
76.1	382	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	383	(% style="color:blue" %)4. Click to start the download
76.1	384
32.1	385	[[image:image-20220602104923-13.png]]
	386
	387
87.10	388
76.1	389	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	390	(% style="color:blue" %)5. Check update process
76.1	391
87.2	392
32.1	393	[[image:image-20220602104948-14.png]]
	394
	395
87.2	396
76.1	397	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	398	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	399
32.1	400	[[image:image-20220602105251-15.png]]
	401
72.1	402
	403
87.2	404	= 3. LA66 USB LoRaWAN Adapter =
6.1	405
7.1	406
87.2	407	== 3.1 Overview ==
	408
100.3	409
93.1	410	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	411
100.3	412
100.5	413	(((
91.1	414	(% 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	415	)))
52.1	416
100.5	417	(((
101.4	418	(% 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	419	)))
73.1	420
100.5	421	(((
90.1	422	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	423	)))
90.1	424
100.5	425	(((
90.1	426	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	427	)))
90.1	428
100.5	429	(((
90.1	430	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	431	)))
90.1	432
	433
100.3	434
87.2	435	== 3.2 Features ==
73.1	436
137.6	437
73.1	438	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	439	* Ultra-long RF range
	440	* Support LoRaWAN v1.0.4 protocol
	441	* Support peer-to-peer protocol
	442	* TCXO crystal to ensure RF performance on low temperature
	443	* Spring RF antenna
	444	* Available in different frequency LoRaWAN frequency bands.
	445	* World-wide unique OTAA keys.
	446	* AT Command via UART-TTL interface
	447	* Firmware upgradable via UART interface
93.3	448	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	449
87.3	450	== 3.3 Specification ==
73.1	451
137.6	452
73.1	453	* CPU: 32-bit 48 MHz
	454	* Flash: 256KB
	455	* RAM: 64KB
	456	* Input Power Range: 5v
	457	* Frequency Range: 150 MHz ~~ 960 MHz
	458	* Maximum Power +22 dBm constant RF output
	459	* High sensitivity: -148 dBm
	460	* Temperature:
	461	** Storage: -55 ~~ +125℃
	462	** Operating: -40 ~~ +85℃
	463	* Humidity:
	464	** Storage: 5 ~~ 95% (Non-Condensing)
	465	** Operating: 10 ~~ 95% (Non-Condensing)
	466	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	467	* LoRa Rx current: <9 mA
	468
87.3	469	== 3.4 Pin Mapping & LED ==
7.1	470
143.1	471	[[image:image-20220813183239-3.png\|\|height="526" width="662"]]
7.1	472
87.3	473
	474	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	475
	476
100.5	477	(((
78.2	478	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	479	)))
58.1	480
	481
87.3	482	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	483
	484
106.1	485	[[image:image-20220723100027-1.png]]
78.2	486
87.3	487
58.1	488	Open the serial port tool
	489
	490	[[image:image-20220602161617-8.png]]
	491
78.2	492	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	493
	494
	495
87.3	496	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	497
78.2	498	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	499
87.3	500
78.2	501	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	502
78.2	503
	504
87.3	505	(% style="color:blue" %)3. See Uplink Command
78.2	506
87.3	507	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	508
58.1	509	example: AT+SENDB=01,02,8,05820802581ea0a5
	510
78.2	511	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	512
	513
	514
87.3	515	(% style="color:blue" %)4. Check to see if TTN received the message
	516
78.2	517	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	518
	519
	520
87.3	521	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	522
87.3	523
87.1	524	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	525
106.1	526	(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	527
87.3	528	(% style="color:red" %)Preconditions:
81.1	529
87.3	530	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	531
87.3	532	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	533
	534
	535
87.3	536	(% style="color:blue" %)Steps for usage:
	537
	538	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	539
	540	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	541
81.1	542	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	543
	544
	545
87.4	546	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	547
87.4	548
79.1	549	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	550
79.1	551
87.5	552	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	553
106.1	554	[[image:image-20220723100439-2.png]]
43.1	555
52.1	556
	557
87.4	558	(% style="color:blue" %)2. Install Minicom in RPi.
	559
79.1	560	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	561
87.4	562	(% style="background-color:yellow" %)apt update
52.1	563
87.4	564	(% style="background-color:yellow" %)apt install minicom
52.1	565
	566
79.1	567	Use minicom to connect to the RPI's terminal
52.1	568
79.1	569	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	570
	571
87.4	572
87.11	573	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	574
87.11	575	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	576
	577
79.1	578	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	579
	580
	581
87.4	582	(% style="color:blue" %)4. Send Uplink message
46.1	583
87.5	584	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	585
79.1	586	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	587
87.4	588
79.1	589	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	590
87.4	591
	592
79.1	593	Check to see if TTN received the message
	594
	595	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	596
	597
	598
139.2	599	== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
11.1	600
134.2	601
139.2	602	=== 3.8.1 Hardware and Software Connection ===
13.1	603
134.2	604
	605	==== (% style="color:blue" %)Overview：(%%) ====
	606
	607
134.9	608	(((
139.2	609	DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
106.1	610
139.2	611	* Send real-time location information of mobile phone to LoRaWAN network.
	612	* Check LoRaWAN network signal strengh.
	613	* Manually send messages to LoRaWAN network.
134.9	614	)))
111.1	615
106.1	616
134.2	617
139.2	618	==== (% style="color:blue" %)Hardware Connection:(%%) ====
134.2	619
139.2	620	A USB to Type-C adapter is needed to connect to a Mobile phone.
134.2	621
139.2	622	Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
106.1	623
139.2	624	[[image:image-20220813174353-2.png\|\|height="360" width="313"]]
106.1	625
	626
139.2	627	==== (% style="color:blue" %)Download and Install App:(%%) ====
134.2	628
139.2	629	[[(% id="cke_bm_895007S" style="display:none" %) (%%)Download Link for Android apk >>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]. (Android Version Only)
	630
	631	[[image:image-20220813173738-1.png]]
	632
	633
134.2	634	==== (% style="color:blue" %)Use of APP:(%%) ====
	635
110.1	636	Function and page introduction
	637
139.2	638	[[image:image-20220723113448-7.png\|\|height="995" width="450"]]
110.1	639
139.2	640	Block Explain:
134.9	641
139.2	642	1. Display LA66 USB LoRaWAN Module connection status
110.1	643
139.2	644	2. Check and reconnect
110.1	645
139.2	646	3. Turn send timestamps on or off
110.1	647
139.2	648	4. Display LoRaWan connection status
110.1	649
139.2	650	5. Check LoRaWan connection status
110.1	651
139.2	652	6. The RSSI value of the node when the ACK is received
110.1	653
139.2	654	7. Node's Signal Strength Icon
110.1	655
139.2	656	8. Configure Location Uplink Interval
110.1	657
139.2	658	9. AT command input box
110.1	659
139.2	660	10. Send Button: Send input box info to LA66 USB Adapter
110.1	661
139.2	662	11. Output Log from LA66 USB adapter
110.1	663
139.2	664	12. clear log button
110.1	665
139.2	666	13. exit button
110.1	667
134.2	668
106.1	669	LA66 USB LoRaWAN Module not connected
	670
139.2	671	[[image:image-20220723110520-5.png\|\|height="677" width="508"]]
106.1	672
134.2	673
	674
110.1	675	Connect LA66 USB LoRaWAN Module
106.1	676
139.2	677	[[image:image-20220723110626-6.png\|\|height="681" width="511"]]
110.1	678
134.2	679
	680
141.1	681	=== 3.8.2 Send data to TTNv3 and plot location info in Node-Red ===
111.1	682
	683
134.8	684	(% style="color:blue" %)1. Register LA66 USB LoRaWAN Module to TTNV3
134.2	685
113.1	686	[[image:image-20220723134549-8.png]]
	687
	688
134.2	689
134.8	690	(% style="color:blue" %)2. Open Node-RED,And import the JSON file to generate the flow
134.2	691
139.2	692	Sample JSON file please go to [[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]] to download.
117.1	693
139.2	694	For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
113.1	695
139.2	696	After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
117.1	697
139.2	698
	699	Example output in NodeRed is as below:
	700
117.1	701	[[image:image-20220723144339-1.png]]
	702
134.2	703
	704
87.4	705	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	706
134.2	707
134.1	708	The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
73.1	709
119.1	710	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	711
119.1	712	[[image:image-20220723150132-2.png]]
73.1	713
119.1	714
134.2	715
137.2	716	= 4. FAQ =
73.1	717
87.4	718
137.2	719	== 4.1 How to Compile Source Code for LA66? ==
	720
	721
137.3	722	Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
137.2	723
	724
	725
	726	= 5. Order Info =
	727
	728
87.5	729	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	730
	731
87.5	732	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	733
87.5	734	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	735	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	736	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	737	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	738	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	739	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	740	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	741	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	742	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	743
137.2	744	= 6. Reference =
134.12	745
87.4	746
78.1	747	* 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 Shield User Manual

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