Wiki source code of LA66 LoRaWAN Module

Version 140.1 by Edwin Chen on 2022/08/13 18:09

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
87.2	69	== 1.3 Specification ==
	70
137.6	71
68.1	72	* CPU: 32-bit 48 MHz
	73	* Flash: 256KB
	74	* RAM: 64KB
66.1	75	* Input Power Range: 1.8v ~~ 3.7v
	76	* Power Consumption: < 4uA.
	77	* Frequency Range: 150 MHz ~~ 960 MHz
	78	* Maximum Power +22 dBm constant RF output
	79	* High sensitivity: -148 dBm
	80	* Temperature:
	81	** Storage: -55 ~~ +125℃
	82	** Operating: -40 ~~ +85℃
	83	* Humidity:
	84	** Storage: 5 ~~ 95% (Non-Condensing)
	85	** Operating: 10 ~~ 95% (Non-Condensing)
	86	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	87	* LoRa Rx current: <9 mA
	88	* I/O Voltage: 3.3v
1.1	89
137.6	90
	91
	92
87.2	93	== 1.4 AT Command ==
	94
98.2	95
66.1	96	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	97
3.1	98
98.4	99
87.2	100	== 1.5 Dimension ==
3.1	101
98.2	102	[[image:image-20220718094750-3.png]]
3.1	103
	104
5.1	105
87.2	106	== 1.6 Pin Mapping ==
	107
101.2	108	[[image:image-20220720111850-1.png]]
87.2	109
5.1	110
	111
87.2	112	== 1.7 Land Pattern ==
	113
137.6	114
5.1	115	[[image:image-20220517072821-2.png]]
	116
	117
	118
87.2	119	= 2. LA66 LoRaWAN Shield =
6.1	120
	121
87.2	122	== 2.1 Overview ==
	123
90.1	124
100.2	125	(((
	126	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	127	)))
90.1	128
100.2	129	(((
	130
	131	)))
	132
	133	(((
100.4	134	(% 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	135	)))
71.1	136
90.1	137	(((
100.2	138	(((
101.4	139	(% 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	140	)))
100.2	141	)))
71.1	142
90.1	143	(((
100.2	144	(((
90.1	145	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	146	)))
100.2	147	)))
90.1	148
	149	(((
100.2	150	(((
90.1	151	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.
	152	)))
100.2	153	)))
90.1	154
	155	(((
100.2	156	(((
90.1	157	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	158	)))
100.2	159	)))
90.1	160
	161
100.2	162
87.2	163	== 2.2 Features ==
71.1	164
137.6	165
71.1	166	* Arduino Shield base on LA66 LoRaWAN module
	167	* Support LoRaWAN v1.0.4 protocol
	168	* Support peer-to-peer protocol
	169	* TCXO crystal to ensure RF performance on low temperature
	170	* SMA connector
	171	* Available in different frequency LoRaWAN frequency bands.
	172	* World-wide unique OTAA keys.
	173	* AT Command via UART-TTL interface
	174	* Firmware upgradable via UART interface
	175	* Ultra-long RF range
	176
137.6	177
	178
	179
87.2	180	== 2.3 Specification ==
	181
137.6	182
71.1	183	* CPU: 32-bit 48 MHz
	184	* Flash: 256KB
	185	* RAM: 64KB
	186	* Input Power Range: 1.8v ~~ 3.7v
	187	* Power Consumption: < 4uA.
	188	* Frequency Range: 150 MHz ~~ 960 MHz
	189	* Maximum Power +22 dBm constant RF output
	190	* High sensitivity: -148 dBm
	191	* Temperature:
	192	** Storage: -55 ~~ +125℃
	193	** Operating: -40 ~~ +85℃
	194	* Humidity:
	195	** Storage: 5 ~~ 95% (Non-Condensing)
	196	** Operating: 10 ~~ 95% (Non-Condensing)
	197	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	198	* LoRa Rx current: <9 mA
	199	* I/O Voltage: 3.3v
	200
137.6	201
	202
	203
125.1	204	== 2.4 LED ==
11.1	205
134.5	206
125.1	207	~1. The LED lights up red when there is an upstream data packet
	208	2. When the network is successfully connected, the green light will be on for 5 seconds
	209	3. Purple light on when receiving downlink data packets
11.1	210
	211
134.5	212
87.2	213	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	214
	215
134.3	216	Show connection diagram：
	217
	218
125.1	219	[[image:image-20220723170210-2.png\|\|height="908" width="681"]]
87.2	220
125.1	221
134.3	222
134.6	223	(% style="color:blue" %)1. open Arduino IDE
134.3	224
	225
125.1	226	[[image:image-20220723170545-4.png]]
	227
	228
134.3	229
134.6	230	(% style="color:blue" %)2. Open project
134.3	231
	232
134.7	233	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	234
137.1	235	[[image:image-20220726135239-1.png]]
125.1	236
	237
134.6	238	(% 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	239
137.1	240	[[image:image-20220726135356-2.png]]
134.3	241
125.1	242
134.6	243	(% style="color:blue" %)4. After the upload is successful, open the serial port monitoring and send the AT command
125.1	244
134.3	245
131.1	246	[[image:image-20220723172235-7.png\|\|height="480" width="1027"]]
125.1	247
134.3	248
	249
87.2	250	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	251
	252
134.6	253	(% style="color:blue" %)1. Open project
134.3	254
	255
134.7	256	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	257
134.7	258
131.1	259	[[image:image-20220723172502-8.png]]
87.2	260
131.1	261
134.3	262
134.6	263	(% 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	264
	265
131.1	266	[[image:image-20220723172938-9.png\|\|height="652" width="1050"]]
	267
	268
134.2	269
133.1	270	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
87.2	271
	272
134.6	273	(% style="color:blue" %)1. Open project
134.2	274
	275
134.7	276	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	277
	278
131.1	279	[[image:image-20220723173341-10.png\|\|height="581" width="1014"]]
87.2	280
131.1	281
134.2	282
134.6	283	(% 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	284
	285
131.1	286	[[image:image-20220723173950-11.png\|\|height="665" width="1012"]]
	287
	288
134.2	289
134.6	290	(% style="color:blue" %)3. Integration into Node-red via TTNV3
134.2	291
133.1	292	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/]]
	293
	294	[[image:image-20220723175700-12.png\|\|height="602" width="995"]]
	295
134.2	296
	297
87.2	298	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	299
	300
	301	=== 2.8.1 Items needed for update ===
	302
134.2	303
74.1	304	1. LA66 LoRaWAN Shield
	305	1. Arduino
	306	1. USB TO TTL Adapter
13.1	307
75.1	308	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	309
	310
137.6	311
87.2	312	=== 2.8.2 Connection ===
20.1	313
87.2	314
75.1	315	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	316
	317
87.17	318	(((
87.2	319	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	320	)))
87.2	321
87.16	322	(((
87.2	323	(% style="background-color:yellow" %)**GND <-> GND
87.8	324	TXD <-> TXD
	325	RXD <-> RXD**
87.16	326	)))
87.2	327
	328
77.1	329	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	330
75.1	331	Connect USB TTL Adapter to PC after connecting the wires
20.1	332
	333
75.1	334	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	335
	336
137.6	337
87.2	338	=== 2.8.3 Upgrade steps ===
20.1	339
	340
134.2	341	==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ====
87.2	342
	343
75.1	344	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	345
	346
87.9	347
134.2	348	==== (% style="color:blue" %)2. Press the RST switch once(%%) ====
32.1	349
87.10	350
75.1	351	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	352
75.1	353
87.9	354
134.2	355	==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
75.1	356
39.1	357
87.18	358	(((
87.2	359	(% 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	360	)))
87.2	361
	362
32.1	363	[[image:image-20220602103227-6.png]]
	364
87.2	365
32.1	366	[[image:image-20220602103357-7.png]]
	367
	368
87.2	369
76.1	370	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	371	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	372
87.2	373
32.1	374	[[image:image-20220602103844-8.png]]
	375
	376
87.2	377
76.1	378	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	379	(% style="color:blue" %)3. Select the bin file to burn
76.1	380
87.2	381
32.1	382	[[image:image-20220602104144-9.png]]
	383
87.2	384
32.1	385	[[image:image-20220602104251-10.png]]
	386
87.2	387
32.1	388	[[image:image-20220602104402-11.png]]
	389
	390
87.2	391
76.1	392	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	393	(% style="color:blue" %)4. Click to start the download
76.1	394
32.1	395	[[image:image-20220602104923-13.png]]
	396
	397
87.10	398
76.1	399	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	400	(% style="color:blue" %)5. Check update process
76.1	401
87.2	402
32.1	403	[[image:image-20220602104948-14.png]]
	404
	405
87.2	406
76.1	407	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	408	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	409
32.1	410	[[image:image-20220602105251-15.png]]
	411
72.1	412
	413
87.2	414	= 3. LA66 USB LoRaWAN Adapter =
6.1	415
7.1	416
87.2	417	== 3.1 Overview ==
	418
100.3	419
93.1	420	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	421
100.3	422
100.5	423	(((
91.1	424	(% 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	425	)))
52.1	426
100.5	427	(((
101.4	428	(% 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	429	)))
73.1	430
100.5	431	(((
90.1	432	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	433	)))
90.1	434
100.5	435	(((
90.1	436	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	437	)))
90.1	438
100.5	439	(((
90.1	440	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	441	)))
90.1	442
	443
100.3	444
87.2	445	== 3.2 Features ==
73.1	446
137.6	447
73.1	448	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	449	* Ultra-long RF range
	450	* Support LoRaWAN v1.0.4 protocol
	451	* Support peer-to-peer protocol
	452	* TCXO crystal to ensure RF performance on low temperature
	453	* Spring RF antenna
	454	* Available in different frequency LoRaWAN frequency bands.
	455	* World-wide unique OTAA keys.
	456	* AT Command via UART-TTL interface
	457	* Firmware upgradable via UART interface
93.3	458	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	459
137.6	460
	461
	462
87.3	463	== 3.3 Specification ==
73.1	464
137.6	465
73.1	466	* CPU: 32-bit 48 MHz
	467	* Flash: 256KB
	468	* RAM: 64KB
	469	* Input Power Range: 5v
	470	* Frequency Range: 150 MHz ~~ 960 MHz
	471	* Maximum Power +22 dBm constant RF output
	472	* High sensitivity: -148 dBm
	473	* Temperature:
	474	** Storage: -55 ~~ +125℃
	475	** Operating: -40 ~~ +85℃
	476	* Humidity:
	477	** Storage: 5 ~~ 95% (Non-Condensing)
	478	** Operating: 10 ~~ 95% (Non-Condensing)
	479	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	480	* LoRa Rx current: <9 mA
	481
137.6	482
	483
	484
87.3	485	== 3.4 Pin Mapping & LED ==
7.1	486
	487
87.3	488
	489	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	490
	491
100.5	492	(((
78.2	493	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	494	)))
58.1	495
	496
87.3	497	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	498
	499
106.1	500	[[image:image-20220723100027-1.png]]
78.2	501
87.3	502
58.1	503	Open the serial port tool
	504
	505	[[image:image-20220602161617-8.png]]
	506
78.2	507	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	508
	509
	510
87.3	511	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	512
78.2	513	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	514
87.3	515
78.2	516	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	517
78.2	518
	519
87.3	520	(% style="color:blue" %)3. See Uplink Command
78.2	521
87.3	522	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	523
58.1	524	example: AT+SENDB=01,02,8,05820802581ea0a5
	525
78.2	526	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	527
	528
	529
87.3	530	(% style="color:blue" %)4. Check to see if TTN received the message
	531
78.2	532	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	533
	534
	535
87.3	536	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	537
87.3	538
87.1	539	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	540
106.1	541	(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	542
87.3	543	(% style="color:red" %)Preconditions:
81.1	544
87.3	545	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	546
87.3	547	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	548
	549
	550
87.3	551	(% style="color:blue" %)Steps for usage:
	552
	553	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	554
	555	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	556
81.1	557	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	558
	559
	560
87.4	561	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	562
87.4	563
79.1	564	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	565
79.1	566
87.5	567	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	568
106.1	569	[[image:image-20220723100439-2.png]]
43.1	570
52.1	571
	572
87.4	573	(% style="color:blue" %)2. Install Minicom in RPi.
	574
79.1	575	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	576
87.4	577	(% style="background-color:yellow" %)apt update
52.1	578
87.4	579	(% style="background-color:yellow" %)apt install minicom
52.1	580
	581
79.1	582	Use minicom to connect to the RPI's terminal
52.1	583
79.1	584	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	585
	586
87.4	587
87.11	588	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	589
87.11	590	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	591
	592
79.1	593	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	594
	595
	596
87.4	597	(% style="color:blue" %)4. Send Uplink message
46.1	598
87.5	599	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	600
79.1	601	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	602
87.4	603
79.1	604	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	605
87.4	606
	607
79.1	608	Check to see if TTN received the message
	609
	610	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	611
	612
	613
139.2	614	== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
11.1	615
134.2	616
139.2	617	=== 3.8.1 Hardware and Software Connection ===
13.1	618
134.2	619
	620	==== (% style="color:blue" %)Overview：(%%) ====
	621
	622
134.9	623	(((
139.2	624	DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
106.1	625
139.2	626	* Send real-time location information of mobile phone to LoRaWAN network.
	627	* Check LoRaWAN network signal strengh.
	628	* Manually send messages to LoRaWAN network.
134.9	629	)))
111.1	630
106.1	631
134.2	632
139.2	633	==== (% style="color:blue" %)Hardware Connection:(%%) ====
134.2	634
139.2	635	A USB to Type-C adapter is needed to connect to a Mobile phone.
134.2	636
139.2	637	Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
106.1	638
139.2	639	[[image:image-20220813174353-2.png\|\|height="360" width="313"]]
106.1	640
	641
139.2	642	==== (% style="color:blue" %)Download and Install App:(%%) ====
134.2	643
139.2	644	[[(% 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)
	645
	646	[[image:image-20220813173738-1.png]]
	647
	648
134.2	649	==== (% style="color:blue" %)Use of APP:(%%) ====
	650
110.1	651	Function and page introduction
	652
139.2	653	[[image:image-20220723113448-7.png\|\|height="995" width="450"]]
110.1	654
139.2	655	Block Explain:
134.9	656
139.2	657	1. Display LA66 USB LoRaWAN Module connection status
110.1	658
139.2	659	2. Check and reconnect
110.1	660
139.2	661	3. Turn send timestamps on or off
110.1	662
139.2	663	4. Display LoRaWan connection status
110.1	664
139.2	665	5. Check LoRaWan connection status
110.1	666
139.2	667	6. The RSSI value of the node when the ACK is received
110.1	668
139.2	669	7. Node's Signal Strength Icon
110.1	670
139.2	671	8. Configure Location Uplink Interval
110.1	672
139.2	673	9. AT command input box
110.1	674
139.2	675	10. Send Button: Send input box info to LA66 USB Adapter
110.1	676
139.2	677	11. Output Log from LA66 USB adapter
110.1	678
139.2	679	12. clear log button
110.1	680
139.2	681	13. exit button
110.1	682
134.2	683
106.1	684	LA66 USB LoRaWAN Module not connected
	685
139.2	686	[[image:image-20220723110520-5.png\|\|height="677" width="508"]]
106.1	687
134.2	688
	689
110.1	690	Connect LA66 USB LoRaWAN Module
106.1	691
139.2	692	[[image:image-20220723110626-6.png\|\|height="681" width="511"]]
110.1	693
134.2	694
	695
134.8	696	=== 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	697
	698
134.8	699	(% style="color:blue" %)1. Register LA66 USB LoRaWAN Module to TTNV3
134.2	700
113.1	701	[[image:image-20220723134549-8.png]]
	702
	703
134.2	704
134.8	705	(% style="color:blue" %)2. Open Node-RED,And import the JSON file to generate the flow
134.2	706
139.2	707	Sample JSON file please go to [[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]] to download.
117.1	708
139.2	709	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	710
139.2	711	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	712
139.2	713
	714	Example output in NodeRed is as below:
	715
117.1	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
137.2	762	= 6. Reference =
134.12	763
87.4	764
78.1	765	* 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