Wiki source code of LA66 LoRaWAN Module

Version 143.1 by Edwin Chen on 2022/08/13 18:32

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
87.2	67	== 1.3 Specification ==
	68
137.6	69
68.1	70	* CPU: 32-bit 48 MHz
	71	* Flash: 256KB
	72	* RAM: 64KB
66.1	73	* Input Power Range: 1.8v ~~ 3.7v
	74	* Power Consumption: < 4uA.
	75	* Frequency Range: 150 MHz ~~ 960 MHz
	76	* Maximum Power +22 dBm constant RF output
	77	* High sensitivity: -148 dBm
	78	* Temperature:
	79	** Storage: -55 ~~ +125℃
	80	** Operating: -40 ~~ +85℃
	81	* Humidity:
	82	** Storage: 5 ~~ 95% (Non-Condensing)
	83	** Operating: 10 ~~ 95% (Non-Condensing)
	84	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	85	* LoRa Rx current: <9 mA
	86	* I/O Voltage: 3.3v
1.1	87
137.6	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
137.6	110
5.1	111	[[image:image-20220517072821-2.png]]
	112
	113
	114
87.2	115	= 2. LA66 LoRaWAN Shield =
6.1	116
	117
87.2	118	== 2.1 Overview ==
	119
90.1	120
100.2	121	(((
	122	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	123	)))
90.1	124
100.2	125	(((
	126
	127	)))
	128
	129	(((
100.4	130	(% 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	131	)))
71.1	132
90.1	133	(((
100.2	134	(((
101.4	135	(% 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	136	)))
100.2	137	)))
71.1	138
90.1	139	(((
100.2	140	(((
90.1	141	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	142	)))
100.2	143	)))
90.1	144
	145	(((
100.2	146	(((
90.1	147	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.
	148	)))
100.2	149	)))
90.1	150
	151	(((
100.2	152	(((
90.1	153	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	154	)))
100.2	155	)))
90.1	156
	157
100.2	158
87.2	159	== 2.2 Features ==
71.1	160
137.6	161
71.1	162	* Arduino Shield base on LA66 LoRaWAN module
	163	* Support LoRaWAN v1.0.4 protocol
	164	* Support peer-to-peer protocol
	165	* TCXO crystal to ensure RF performance on low temperature
	166	* SMA connector
	167	* Available in different frequency LoRaWAN frequency bands.
	168	* World-wide unique OTAA keys.
	169	* AT Command via UART-TTL interface
	170	* Firmware upgradable via UART interface
	171	* Ultra-long RF range
	172
137.6	173
87.2	174	== 2.3 Specification ==
	175
137.6	176
71.1	177	* CPU: 32-bit 48 MHz
	178	* Flash: 256KB
	179	* RAM: 64KB
	180	* Input Power Range: 1.8v ~~ 3.7v
	181	* Power Consumption: < 4uA.
	182	* Frequency Range: 150 MHz ~~ 960 MHz
	183	* Maximum Power +22 dBm constant RF output
	184	* High sensitivity: -148 dBm
	185	* Temperature:
	186	** Storage: -55 ~~ +125℃
	187	** Operating: -40 ~~ +85℃
	188	* Humidity:
	189	** Storage: 5 ~~ 95% (Non-Condensing)
	190	** Operating: 10 ~~ 95% (Non-Condensing)
	191	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	192	* LoRa Rx current: <9 mA
	193	* I/O Voltage: 3.3v
	194
137.6	195
125.1	196	== 2.4 LED ==
11.1	197
134.5	198
125.1	199	~1. The LED lights up red when there is an upstream data packet
	200	2. When the network is successfully connected, the green light will be on for 5 seconds
	201	3. Purple light on when receiving downlink data packets
11.1	202
	203
134.5	204
87.2	205	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	206
	207
134.3	208	Show connection diagram：
	209
	210
125.1	211	[[image:image-20220723170210-2.png\|\|height="908" width="681"]]
87.2	212
125.1	213
134.3	214
134.6	215	(% style="color:blue" %)1. open Arduino IDE
134.3	216
	217
125.1	218	[[image:image-20220723170545-4.png]]
	219
	220
134.3	221
134.6	222	(% style="color:blue" %)2. Open project
134.3	223
	224
134.7	225	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	226
137.1	227	[[image:image-20220726135239-1.png]]
125.1	228
	229
134.6	230	(% 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	231
137.1	232	[[image:image-20220726135356-2.png]]
134.3	233
125.1	234
134.6	235	(% style="color:blue" %)4. After the upload is successful, open the serial port monitoring and send the AT command
125.1	236
134.3	237
131.1	238	[[image:image-20220723172235-7.png\|\|height="480" width="1027"]]
125.1	239
134.3	240
	241
87.2	242	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	243
	244
134.6	245	(% style="color:blue" %)1. Open project
134.3	246
	247
134.7	248	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	249
134.7	250
131.1	251	[[image:image-20220723172502-8.png]]
87.2	252
131.1	253
134.3	254
134.6	255	(% 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	256
	257
131.1	258	[[image:image-20220723172938-9.png\|\|height="652" width="1050"]]
	259
	260
134.2	261
133.1	262	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
87.2	263
	264
134.6	265	(% style="color:blue" %)1. Open project
134.2	266
	267
134.7	268	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	269
	270
131.1	271	[[image:image-20220723173341-10.png\|\|height="581" width="1014"]]
87.2	272
131.1	273
134.2	274
134.6	275	(% 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	276
	277
131.1	278	[[image:image-20220723173950-11.png\|\|height="665" width="1012"]]
	279
	280
134.2	281
134.6	282	(% style="color:blue" %)3. Integration into Node-red via TTNV3
134.2	283
133.1	284	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/]]
	285
	286	[[image:image-20220723175700-12.png\|\|height="602" width="995"]]
	287
134.2	288
	289
87.2	290	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	291
	292
	293	=== 2.8.1 Items needed for update ===
	294
134.2	295
74.1	296	1. LA66 LoRaWAN Shield
	297	1. Arduino
	298	1. USB TO TTL Adapter
13.1	299
75.1	300	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	301
	302
137.6	303
87.2	304	=== 2.8.2 Connection ===
20.1	305
87.2	306
75.1	307	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	308
	309
87.17	310	(((
87.2	311	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	312	)))
87.2	313
87.16	314	(((
87.2	315	(% style="background-color:yellow" %)**GND <-> GND
87.8	316	TXD <-> TXD
	317	RXD <-> RXD**
87.16	318	)))
87.2	319
	320
77.1	321	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	322
75.1	323	Connect USB TTL Adapter to PC after connecting the wires
20.1	324
	325
75.1	326	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	327
	328
137.6	329
87.2	330	=== 2.8.3 Upgrade steps ===
20.1	331
	332
134.2	333	==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ====
87.2	334
	335
75.1	336	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	337
	338
87.9	339
134.2	340	==== (% style="color:blue" %)2. Press the RST switch once(%%) ====
32.1	341
87.10	342
75.1	343	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	344
75.1	345
87.9	346
134.2	347	==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
75.1	348
39.1	349
87.18	350	(((
87.2	351	(% 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	352	)))
87.2	353
	354
32.1	355	[[image:image-20220602103227-6.png]]
	356
87.2	357
32.1	358	[[image:image-20220602103357-7.png]]
	359
	360
87.2	361
76.1	362	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	363	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	364
87.2	365
32.1	366	[[image:image-20220602103844-8.png]]
	367
	368
87.2	369
76.1	370	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	371	(% style="color:blue" %)3. Select the bin file to burn
76.1	372
87.2	373
32.1	374	[[image:image-20220602104144-9.png]]
	375
87.2	376
32.1	377	[[image:image-20220602104251-10.png]]
	378
87.2	379
32.1	380	[[image:image-20220602104402-11.png]]
	381
	382
87.2	383
76.1	384	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	385	(% style="color:blue" %)4. Click to start the download
76.1	386
32.1	387	[[image:image-20220602104923-13.png]]
	388
	389
87.10	390
76.1	391	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	392	(% style="color:blue" %)5. Check update process
76.1	393
87.2	394
32.1	395	[[image:image-20220602104948-14.png]]
	396
	397
87.2	398
76.1	399	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	400	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	401
32.1	402	[[image:image-20220602105251-15.png]]
	403
72.1	404
	405
87.2	406	= 3. LA66 USB LoRaWAN Adapter =
6.1	407
7.1	408
87.2	409	== 3.1 Overview ==
	410
100.3	411
93.1	412	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	413
100.3	414
100.5	415	(((
91.1	416	(% 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	417	)))
52.1	418
100.5	419	(((
101.4	420	(% 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	421	)))
73.1	422
100.5	423	(((
90.1	424	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	425	)))
90.1	426
100.5	427	(((
90.1	428	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	429	)))
90.1	430
100.5	431	(((
90.1	432	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	433	)))
90.1	434
	435
100.3	436
87.2	437	== 3.2 Features ==
73.1	438
137.6	439
73.1	440	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	441	* Ultra-long RF range
	442	* Support LoRaWAN v1.0.4 protocol
	443	* Support peer-to-peer protocol
	444	* TCXO crystal to ensure RF performance on low temperature
	445	* Spring RF antenna
	446	* Available in different frequency LoRaWAN frequency bands.
	447	* World-wide unique OTAA keys.
	448	* AT Command via UART-TTL interface
	449	* Firmware upgradable via UART interface
93.3	450	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	451
137.6	452
87.3	453	== 3.3 Specification ==
73.1	454
137.6	455
73.1	456	* CPU: 32-bit 48 MHz
	457	* Flash: 256KB
	458	* RAM: 64KB
	459	* Input Power Range: 5v
	460	* Frequency Range: 150 MHz ~~ 960 MHz
	461	* Maximum Power +22 dBm constant RF output
	462	* High sensitivity: -148 dBm
	463	* Temperature:
	464	** Storage: -55 ~~ +125℃
	465	** Operating: -40 ~~ +85℃
	466	* Humidity:
	467	** Storage: 5 ~~ 95% (Non-Condensing)
	468	** Operating: 10 ~~ 95% (Non-Condensing)
	469	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	470	* LoRa Rx current: <9 mA
	471
137.6	472
87.3	473	== 3.4 Pin Mapping & LED ==
7.1	474
143.1	475	[[image:image-20220813183239-3.png\|\|height="526" width="662"]]
7.1	476
87.3	477
	478	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	479
	480
100.5	481	(((
78.2	482	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	483	)))
58.1	484
	485
87.3	486	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	487
	488
106.1	489	[[image:image-20220723100027-1.png]]
78.2	490
87.3	491
58.1	492	Open the serial port tool
	493
	494	[[image:image-20220602161617-8.png]]
	495
78.2	496	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	497
	498
	499
87.3	500	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	501
78.2	502	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	503
87.3	504
78.2	505	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	506
78.2	507
	508
87.3	509	(% style="color:blue" %)3. See Uplink Command
78.2	510
87.3	511	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	512
58.1	513	example: AT+SENDB=01,02,8,05820802581ea0a5
	514
78.2	515	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	516
	517
	518
87.3	519	(% style="color:blue" %)4. Check to see if TTN received the message
	520
78.2	521	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	522
	523
	524
87.3	525	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	526
87.3	527
87.1	528	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	529
106.1	530	(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	531
87.3	532	(% style="color:red" %)Preconditions:
81.1	533
87.3	534	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	535
87.3	536	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	537
	538
	539
87.3	540	(% style="color:blue" %)Steps for usage:
	541
	542	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	543
	544	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	545
81.1	546	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	547
	548
	549
87.4	550	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	551
87.4	552
79.1	553	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	554
79.1	555
87.5	556	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	557
106.1	558	[[image:image-20220723100439-2.png]]
43.1	559
52.1	560
	561
87.4	562	(% style="color:blue" %)2. Install Minicom in RPi.
	563
79.1	564	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	565
87.4	566	(% style="background-color:yellow" %)apt update
52.1	567
87.4	568	(% style="background-color:yellow" %)apt install minicom
52.1	569
	570
79.1	571	Use minicom to connect to the RPI's terminal
52.1	572
79.1	573	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	574
	575
87.4	576
87.11	577	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	578
87.11	579	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	580
	581
79.1	582	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	583
	584
	585
87.4	586	(% style="color:blue" %)4. Send Uplink message
46.1	587
87.5	588	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	589
79.1	590	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	591
87.4	592
79.1	593	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	594
87.4	595
	596
79.1	597	Check to see if TTN received the message
	598
	599	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	600
	601
	602
139.2	603	== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
11.1	604
134.2	605
139.2	606	=== 3.8.1 Hardware and Software Connection ===
13.1	607
134.2	608
	609	==== (% style="color:blue" %)Overview：(%%) ====
	610
	611
134.9	612	(((
139.2	613	DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
106.1	614
139.2	615	* Send real-time location information of mobile phone to LoRaWAN network.
	616	* Check LoRaWAN network signal strengh.
	617	* Manually send messages to LoRaWAN network.
134.9	618	)))
111.1	619
106.1	620
134.2	621
139.2	622	==== (% style="color:blue" %)Hardware Connection:(%%) ====
134.2	623
139.2	624	A USB to Type-C adapter is needed to connect to a Mobile phone.
134.2	625
139.2	626	Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
106.1	627
139.2	628	[[image:image-20220813174353-2.png\|\|height="360" width="313"]]
106.1	629
	630
139.2	631	==== (% style="color:blue" %)Download and Install App:(%%) ====
134.2	632
139.2	633	[[(% 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)
	634
	635	[[image:image-20220813173738-1.png]]
	636
	637
134.2	638	==== (% style="color:blue" %)Use of APP:(%%) ====
	639
110.1	640	Function and page introduction
	641
139.2	642	[[image:image-20220723113448-7.png\|\|height="995" width="450"]]
110.1	643
139.2	644	Block Explain:
134.9	645
139.2	646	1. Display LA66 USB LoRaWAN Module connection status
110.1	647
139.2	648	2. Check and reconnect
110.1	649
139.2	650	3. Turn send timestamps on or off
110.1	651
139.2	652	4. Display LoRaWan connection status
110.1	653
139.2	654	5. Check LoRaWan connection status
110.1	655
139.2	656	6. The RSSI value of the node when the ACK is received
110.1	657
139.2	658	7. Node's Signal Strength Icon
110.1	659
139.2	660	8. Configure Location Uplink Interval
110.1	661
139.2	662	9. AT command input box
110.1	663
139.2	664	10. Send Button: Send input box info to LA66 USB Adapter
110.1	665
139.2	666	11. Output Log from LA66 USB adapter
110.1	667
139.2	668	12. clear log button
110.1	669
139.2	670	13. exit button
110.1	671
134.2	672
106.1	673	LA66 USB LoRaWAN Module not connected
	674
139.2	675	[[image:image-20220723110520-5.png\|\|height="677" width="508"]]
106.1	676
134.2	677
	678
110.1	679	Connect LA66 USB LoRaWAN Module
106.1	680
139.2	681	[[image:image-20220723110626-6.png\|\|height="681" width="511"]]
110.1	682
134.2	683
	684
141.1	685	=== 3.8.2 Send data to TTNv3 and plot location info in Node-Red ===
111.1	686
	687
134.8	688	(% style="color:blue" %)1. Register LA66 USB LoRaWAN Module to TTNV3
134.2	689
113.1	690	[[image:image-20220723134549-8.png]]
	691
	692
134.2	693
134.8	694	(% style="color:blue" %)2. Open Node-RED,And import the JSON file to generate the flow
134.2	695
139.2	696	Sample JSON file please go to [[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]] to download.
117.1	697
139.2	698	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	699
139.2	700	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	701
139.2	702
	703	Example output in NodeRed is as below:
	704
117.1	705	[[image:image-20220723144339-1.png]]
	706
134.2	707
	708
87.4	709	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	710
134.2	711
134.1	712	The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
73.1	713
119.1	714	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	715
119.1	716	[[image:image-20220723150132-2.png]]
73.1	717
119.1	718
134.2	719
137.2	720	= 4. FAQ =
73.1	721
87.4	722
137.2	723	== 4.1 How to Compile Source Code for LA66? ==
	724
	725
137.3	726	Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
137.2	727
	728
	729
	730	= 5. Order Info =
	731
	732
87.5	733	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	734
	735
87.5	736	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	737
87.5	738	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	739	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	740	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	741	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	742	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	743	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	744	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	745	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	746	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	747
137.5	748
137.2	749	= 6. Reference =
134.12	750
87.4	751
78.1	752	* 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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