Wiki source code of LA66 LoRaWAN Module

Version 100.4 by Xiaoling on 2022/07/19 11:42

version	line-number	content
87.2	1
	2
87.13	3	Table of Contents:
	4
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" %)
	18	)))
88.2	19
100.2	20	(((
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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	(((
100.2	30	(((
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
87.2	66	== 1.3 Specification ==
	67
68.1	68	* CPU: 32-bit 48 MHz
	69	* Flash: 256KB
	70	* RAM: 64KB
66.1	71	* Input Power Range: 1.8v ~~ 3.7v
	72	* Power Consumption: < 4uA.
	73	* Frequency Range: 150 MHz ~~ 960 MHz
	74	* Maximum Power +22 dBm constant RF output
	75	* High sensitivity: -148 dBm
	76	* Temperature:
	77	** Storage: -55 ~~ +125℃
	78	** Operating: -40 ~~ +85℃
	79	* Humidity:
	80	** Storage: 5 ~~ 95% (Non-Condensing)
	81	** Operating: 10 ~~ 95% (Non-Condensing)
	82	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	83	* LoRa Rx current: <9 mA
	84	* I/O Voltage: 3.3v
1.1	85
93.2	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
98.2	100
87.2	101	== 1.6 Pin Mapping ==
	102
	103
100.2	104	[[image:image-20220719093156-1.png]]
5.1	105
	106
87.2	107
	108	== 1.7 Land Pattern ==
	109
5.1	110	[[image:image-20220517072821-2.png]]
	111
	112
	113
87.2	114	= 2. LA66 LoRaWAN Shield =
6.1	115
	116
87.2	117	== 2.1 Overview ==
	118
90.1	119
100.2	120	(((
	121	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	122	)))
90.1	123
100.2	124	(((
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	126	)))
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	128	(((
100.4	129	(% 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	130	)))
71.1	131
90.1	132	(((
100.2	133	(((
	134	(% 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	135	)))
100.2	136	)))
71.1	137
90.1	138	(((
100.2	139	(((
90.1	140	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	141	)))
100.2	142	)))
90.1	143
	144	(((
100.2	145	(((
90.1	146	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.
	147	)))
100.2	148	)))
90.1	149
	150	(((
100.2	151	(((
90.1	152	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	153	)))
100.2	154	)))
90.1	155
	156
100.2	157
87.2	158	== 2.2 Features ==
71.1	159
	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
100.2	171
87.2	172	== 2.3 Specification ==
	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
100.2	192
87.2	193	== 2.4 Pin Mapping & LED ==
11.1	194
	195
	196
87.2	197	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	198
	199
87.2	200
	201	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	202
	203
	204
	205	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	206
	207
	208
	209	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	210
	211
	212	=== 2.8.1 Items needed for update ===
	213
74.1	214	1. LA66 LoRaWAN Shield
	215	1. Arduino
	216	1. USB TO TTL Adapter
13.1	217
100.3	218
75.1	219	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	220
	221
87.2	222	=== 2.8.2 Connection ===
20.1	223
87.2	224
75.1	225	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	226
	227
87.17	228	(((
87.2	229	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	230	)))
87.2	231
87.16	232	(((
87.2	233	(% style="background-color:yellow" %)**GND <-> GND
87.8	234	TXD <-> TXD
	235	RXD <-> RXD**
87.16	236	)))
87.2	237
	238
77.1	239	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	240
75.1	241	Connect USB TTL Adapter to PC after connecting the wires
20.1	242
	243
75.1	244	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	245
	246
87.2	247	=== 2.8.3 Upgrade steps ===
20.1	248
	249
87.2	250	==== 1. Switch SW1 to put in ISP position ====
	251
	252
75.1	253	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	254
	255
87.9	256
87.2	257	==== 2. Press the RST switch once ====
32.1	258
87.10	259
75.1	260	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	261
75.1	262
87.9	263
87.2	264	==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
75.1	265
39.1	266
87.18	267	(((
87.2	268	(% 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	269	)))
87.2	270
	271
32.1	272	[[image:image-20220602103227-6.png]]
	273
87.2	274
32.1	275	[[image:image-20220602103357-7.png]]
	276
	277
87.2	278
76.1	279	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	280	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	281
87.2	282
32.1	283	[[image:image-20220602103844-8.png]]
	284
	285
87.2	286
76.1	287	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	288	(% style="color:blue" %)3. Select the bin file to burn
76.1	289
87.2	290
32.1	291	[[image:image-20220602104144-9.png]]
	292
87.2	293
32.1	294	[[image:image-20220602104251-10.png]]
	295
87.2	296
32.1	297	[[image:image-20220602104402-11.png]]
	298
	299
87.2	300
76.1	301	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	302	(% style="color:blue" %)4. Click to start the download
76.1	303
32.1	304	[[image:image-20220602104923-13.png]]
	305
	306
87.10	307
76.1	308	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	309	(% style="color:blue" %)5. Check update process
76.1	310
87.2	311
32.1	312	[[image:image-20220602104948-14.png]]
	313
	314
87.2	315
76.1	316	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	317	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	318
32.1	319	[[image:image-20220602105251-15.png]]
	320
72.1	321
	322
87.2	323	= 3. LA66 USB LoRaWAN Adapter =
6.1	324
7.1	325
87.2	326	== 3.1 Overview ==
	327
100.3	328
93.1	329	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	330
100.3	331
91.1	332	(% 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	333
90.1	334	(% 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	335
90.1	336	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	337
	338	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.
	339
	340	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	341
	342
100.3	343
87.2	344	== 3.2 Features ==
73.1	345
	346	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	347	* Ultra-long RF range
	348	* Support LoRaWAN v1.0.4 protocol
	349	* Support peer-to-peer protocol
	350	* TCXO crystal to ensure RF performance on low temperature
	351	* Spring RF antenna
	352	* Available in different frequency LoRaWAN frequency bands.
	353	* World-wide unique OTAA keys.
	354	* AT Command via UART-TTL interface
	355	* Firmware upgradable via UART interface
93.3	356	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	357
100.2	358
87.3	359	== 3.3 Specification ==
73.1	360
	361	* CPU: 32-bit 48 MHz
	362	* Flash: 256KB
	363	* RAM: 64KB
	364	* Input Power Range: 5v
	365	* Frequency Range: 150 MHz ~~ 960 MHz
	366	* Maximum Power +22 dBm constant RF output
	367	* High sensitivity: -148 dBm
	368	* Temperature:
	369	** Storage: -55 ~~ +125℃
	370	** Operating: -40 ~~ +85℃
	371	* Humidity:
	372	** Storage: 5 ~~ 95% (Non-Condensing)
	373	** Operating: 10 ~~ 95% (Non-Condensing)
	374	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	375	* LoRa Rx current: <9 mA
	376
100.2	377
87.3	378	== 3.4 Pin Mapping & LED ==
7.1	379
	380
87.3	381
	382	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	383
	384
78.2	385	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
58.1	386
	387
87.3	388	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	389
	390
78.2	391	[[image:image-20220602171217-1.png\|\|height="538" width="800"]]
	392
87.3	393
58.1	394	Open the serial port tool
	395
	396	[[image:image-20220602161617-8.png]]
	397
78.2	398	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	399
	400
	401
87.3	402	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	403
78.2	404	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	405
87.3	406
78.2	407	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	408
78.2	409
	410
87.3	411	(% style="color:blue" %)3. See Uplink Command
78.2	412
87.3	413	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	414
58.1	415	example: AT+SENDB=01,02,8,05820802581ea0a5
	416
78.2	417	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	418
	419
	420
87.3	421	(% style="color:blue" %)4. Check to see if TTN received the message
	422
78.2	423	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	424
	425
	426
87.3	427	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	428
87.3	429
87.1	430	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	431
	432
87.3	433	(% style="color:red" %)Preconditions:
81.1	434
87.3	435	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	436
87.3	437	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	438
	439
	440
87.3	441	(% style="color:blue" %)Steps for usage:
	442
	443	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	444
	445	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	446
81.1	447	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	448
	449
	450
87.4	451	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	452
87.4	453
79.1	454	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	455
79.1	456
87.5	457	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	458
78.2	459	[[image:image-20220602171233-2.png\|\|height="538" width="800"]]
43.1	460
52.1	461
	462
87.4	463	(% style="color:blue" %)2. Install Minicom in RPi.
	464
79.1	465	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	466
87.4	467	(% style="background-color:yellow" %)apt update
52.1	468
87.4	469	(% style="background-color:yellow" %)apt install minicom
52.1	470
	471
79.1	472	Use minicom to connect to the RPI's terminal
52.1	473
79.1	474	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	475
	476
87.4	477
87.11	478	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	479
87.11	480	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	481
	482
79.1	483	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	484
	485
	486
87.4	487	(% style="color:blue" %)4. Send Uplink message
46.1	488
87.5	489	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	490
79.1	491	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	492
87.4	493
79.1	494	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	495
87.4	496
	497
79.1	498	Check to see if TTN received the message
	499
	500	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	501
	502
	503
87.4	504	== 3.8 Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
11.1	505
13.1	506
63.1	507
87.4	508	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	509
	510
	511
	512
87.4	513	= 4. Order Info =
73.1	514
87.4	515
87.5	516	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	517
	518
87.5	519	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	520
87.5	521	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	522	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	523	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	524	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	525	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	526	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	527	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	528	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	529	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	530
100.3	531
87.4	532	= 5. Reference =
	533
78.1	534	* 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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