Wiki source code of LA66 LoRaWAN Module

Version 100.3 by Xiaoling on 2022/07/19 11:41

version	line-number	content
87.2	1
	2
87.13	3	Table of Contents:
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1.1	5	{{toc/}}
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	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" %)
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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	(((
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65.1	31	(% style="color:blue" %)LA66(%%) is a ready-to-use module that includes the (% style="color:blue" %)LoRaWAN v1.0.4 protocol(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
87.15	32	)))
100.2	33	)))
1.1	34
87.15	35	(((
100.2	36	(((
65.1	37	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
87.15	38	)))
1.1	39
87.15	40	(((
65.1	41	Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)open-source peer-to-peer LoRa Protocol(%%) for the none-LoRaWAN application.
87.15	42	)))
100.2	43	)))
1.1	44
87.15	45	(((
100.2	46	(((
65.1	47	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
87.15	48	)))
100.2	49	)))
1.1	50
67.1	51
100.2	52
87.2	53	== 1.2 Features ==
64.1	54
68.1	55	* Support LoRaWAN v1.0.4 protocol
	56	* Support peer-to-peer protocol
	57	* TCXO crystal to ensure RF performance on low temperature
	58	* SMD Antenna pad and i-pex antenna connector
	59	* Available in different frequency LoRaWAN frequency bands.
	60	* World-wide unique OTAA keys.
69.1	61	* AT Command via UART-TTL interface
	62	* Firmware upgradable via UART interface
	63	* Ultra-long RF range
64.1	64
98.3	65
	66
87.2	67	== 1.3 Specification ==
	68
68.1	69	* CPU: 32-bit 48 MHz
	70	* Flash: 256KB
	71	* RAM: 64KB
66.1	72	* Input Power Range: 1.8v ~~ 3.7v
	73	* Power Consumption: < 4uA.
	74	* Frequency Range: 150 MHz ~~ 960 MHz
	75	* Maximum Power +22 dBm constant RF output
	76	* High sensitivity: -148 dBm
	77	* Temperature:
	78	** Storage: -55 ~~ +125℃
	79	** Operating: -40 ~~ +85℃
	80	* Humidity:
	81	** Storage: 5 ~~ 95% (Non-Condensing)
	82	** Operating: 10 ~~ 95% (Non-Condensing)
	83	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	84	* LoRa Rx current: <9 mA
	85	* I/O Voltage: 3.3v
1.1	86
93.2	87
98.2	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
98.2	102
87.2	103	== 1.6 Pin Mapping ==
	104
	105
100.2	106	[[image:image-20220719093156-1.png]]
5.1	107
	108
87.2	109
	110	== 1.7 Land Pattern ==
	111
5.1	112	[[image:image-20220517072821-2.png]]
	113
	114
	115
87.2	116	= 2. LA66 LoRaWAN Shield =
6.1	117
	118
87.2	119	== 2.1 Overview ==
	120
90.1	121
100.2	122	(((
	123	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	124	)))
90.1	125
100.2	126	(((
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	128	)))
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	130	(((
71.1	131	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	132	)))
71.1	133
90.1	134	(((
100.2	135	(((
	136	(% style="color:blue" %)LA66(%%) is a ready-to-use module that includes the (% style="color:blue" %)LoRaWAN v1.0.4 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	137	)))
100.2	138	)))
71.1	139
90.1	140	(((
100.2	141	(((
90.1	142	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	143	)))
100.2	144	)))
90.1	145
	146	(((
100.2	147	(((
90.1	148	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.
	149	)))
100.2	150	)))
90.1	151
	152	(((
100.2	153	(((
90.1	154	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	155	)))
100.2	156	)))
90.1	157
	158
100.2	159
87.2	160	== 2.2 Features ==
71.1	161
	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
100.2	173
	174
87.2	175	== 2.3 Specification ==
	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
100.2	195
	196
87.2	197	== 2.4 Pin Mapping & LED ==
11.1	198
	199
	200
87.2	201	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	202
	203
87.2	204
	205	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	206
	207
	208
	209	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	210
	211
	212
	213	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	214
	215
	216	=== 2.8.1 Items needed for update ===
	217
74.1	218	1. LA66 LoRaWAN Shield
	219	1. Arduino
	220	1. USB TO TTL Adapter
13.1	221
100.3	222
	223
75.1	224	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	225
	226
87.2	227	=== 2.8.2 Connection ===
20.1	228
87.2	229
75.1	230	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	231
	232
87.17	233	(((
87.2	234	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	235	)))
87.2	236
87.16	237	(((
87.2	238	(% style="background-color:yellow" %)**GND <-> GND
87.8	239	TXD <-> TXD
	240	RXD <-> RXD**
87.16	241	)))
87.2	242
	243
77.1	244	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	245
75.1	246	Connect USB TTL Adapter to PC after connecting the wires
20.1	247
	248
75.1	249	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	250
	251
87.2	252	=== 2.8.3 Upgrade steps ===
20.1	253
	254
87.2	255	==== 1. Switch SW1 to put in ISP position ====
	256
	257
75.1	258	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	259
	260
87.9	261
87.2	262	==== 2. Press the RST switch once ====
32.1	263
87.10	264
75.1	265	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	266
75.1	267
87.9	268
87.2	269	==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
75.1	270
39.1	271
87.18	272	(((
87.2	273	(% 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	274	)))
87.2	275
	276
32.1	277	[[image:image-20220602103227-6.png]]
	278
87.2	279
32.1	280	[[image:image-20220602103357-7.png]]
	281
	282
87.2	283
76.1	284	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	285	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	286
87.2	287
32.1	288	[[image:image-20220602103844-8.png]]
	289
	290
87.2	291
76.1	292	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	293	(% style="color:blue" %)3. Select the bin file to burn
76.1	294
87.2	295
32.1	296	[[image:image-20220602104144-9.png]]
	297
87.2	298
32.1	299	[[image:image-20220602104251-10.png]]
	300
87.2	301
32.1	302	[[image:image-20220602104402-11.png]]
	303
	304
87.2	305
76.1	306	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	307	(% style="color:blue" %)4. Click to start the download
76.1	308
32.1	309	[[image:image-20220602104923-13.png]]
	310
	311
87.10	312
76.1	313	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	314	(% style="color:blue" %)5. Check update process
76.1	315
87.2	316
32.1	317	[[image:image-20220602104948-14.png]]
	318
	319
87.2	320
76.1	321	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	322	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	323
32.1	324	[[image:image-20220602105251-15.png]]
	325
72.1	326
	327
87.2	328	= 3. LA66 USB LoRaWAN Adapter =
6.1	329
7.1	330
87.2	331	== 3.1 Overview ==
	332
100.3	333
93.1	334	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	335
100.3	336
91.1	337	(% 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.
52.1	338
90.1	339	(% style="color:blue" %)LA66(%%) is a ready-to-use module that includes the (% style="color:blue" %)LoRaWAN v1.0.4 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.
73.1	340
90.1	341	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	342
	343	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.
	344
	345	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	346
	347
100.3	348
87.2	349	== 3.2 Features ==
73.1	350
	351	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	352	* Ultra-long RF range
	353	* Support LoRaWAN v1.0.4 protocol
	354	* Support peer-to-peer protocol
	355	* TCXO crystal to ensure RF performance on low temperature
	356	* Spring RF antenna
	357	* Available in different frequency LoRaWAN frequency bands.
	358	* World-wide unique OTAA keys.
	359	* AT Command via UART-TTL interface
	360	* Firmware upgradable via UART interface
93.3	361	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	362
100.2	363
	364
87.3	365	== 3.3 Specification ==
73.1	366
	367	* CPU: 32-bit 48 MHz
	368	* Flash: 256KB
	369	* RAM: 64KB
	370	* Input Power Range: 5v
	371	* Frequency Range: 150 MHz ~~ 960 MHz
	372	* Maximum Power +22 dBm constant RF output
	373	* High sensitivity: -148 dBm
	374	* Temperature:
	375	** Storage: -55 ~~ +125℃
	376	** Operating: -40 ~~ +85℃
	377	* Humidity:
	378	** Storage: 5 ~~ 95% (Non-Condensing)
	379	** Operating: 10 ~~ 95% (Non-Condensing)
	380	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	381	* LoRa Rx current: <9 mA
	382
100.2	383
	384
87.3	385	== 3.4 Pin Mapping & LED ==
7.1	386
	387
87.3	388
	389	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	390
	391
78.2	392	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
58.1	393
	394
87.3	395	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	396
	397
78.2	398	[[image:image-20220602171217-1.png\|\|height="538" width="800"]]
	399
87.3	400
58.1	401	Open the serial port tool
	402
	403	[[image:image-20220602161617-8.png]]
	404
78.2	405	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	406
	407
	408
87.3	409	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	410
78.2	411	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	412
87.3	413
78.2	414	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	415
78.2	416
	417
87.3	418	(% style="color:blue" %)3. See Uplink Command
78.2	419
87.3	420	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	421
58.1	422	example: AT+SENDB=01,02,8,05820802581ea0a5
	423
78.2	424	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	425
	426
	427
87.3	428	(% style="color:blue" %)4. Check to see if TTN received the message
	429
78.2	430	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	431
	432
	433
87.3	434	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	435
87.3	436
87.1	437	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	438
	439
87.3	440	(% style="color:red" %)Preconditions:
81.1	441
87.3	442	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	443
87.3	444	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	445
	446
	447
87.3	448	(% style="color:blue" %)Steps for usage:
	449
	450	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	451
	452	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	453
81.1	454	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	455
	456
	457
87.4	458	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	459
87.4	460
79.1	461	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	462
79.1	463
87.5	464	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	465
78.2	466	[[image:image-20220602171233-2.png\|\|height="538" width="800"]]
43.1	467
52.1	468
	469
87.4	470	(% style="color:blue" %)2. Install Minicom in RPi.
	471
79.1	472	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	473
87.4	474	(% style="background-color:yellow" %)apt update
52.1	475
87.4	476	(% style="background-color:yellow" %)apt install minicom
52.1	477
	478
79.1	479	Use minicom to connect to the RPI's terminal
52.1	480
79.1	481	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	482
	483
87.4	484
87.11	485	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	486
87.11	487	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	488
	489
79.1	490	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	491
	492
	493
87.4	494	(% style="color:blue" %)4. Send Uplink message
46.1	495
87.5	496	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	497
79.1	498	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	499
87.4	500
79.1	501	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	502
87.4	503
	504
79.1	505	Check to see if TTN received the message
	506
	507	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	508
	509
	510
87.4	511	== 3.8 Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
11.1	512
13.1	513
63.1	514
87.4	515	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	516
	517
	518
	519
87.4	520	= 4. Order Info =
73.1	521
87.4	522
87.5	523	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	524
	525
87.5	526	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	527
87.5	528	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	529	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	530	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	531	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	532	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	533	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	534	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	535	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	536	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	537
100.3	538
	539
87.4	540	= 5. Reference =
	541
78.1	542	* 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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