Wiki source code of LA66 LoRaWAN Module

Version 100.5 by Xiaoling on 2022/07/19 11:45

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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	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	(((
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
87.2	65	== 1.3 Specification ==
	66
68.1	67	* CPU: 32-bit 48 MHz
	68	* Flash: 256KB
	69	* RAM: 64KB
66.1	70	* Input Power Range: 1.8v ~~ 3.7v
	71	* Power Consumption: < 4uA.
	72	* Frequency Range: 150 MHz ~~ 960 MHz
	73	* Maximum Power +22 dBm constant RF output
	74	* High sensitivity: -148 dBm
	75	* Temperature:
	76	** Storage: -55 ~~ +125℃
	77	** Operating: -40 ~~ +85℃
	78	* Humidity:
	79	** Storage: 5 ~~ 95% (Non-Condensing)
	80	** Operating: 10 ~~ 95% (Non-Condensing)
	81	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	82	* LoRa Rx current: <9 mA
	83	* I/O Voltage: 3.3v
1.1	84
87.2	85	== 1.4 AT Command ==
	86
98.2	87
66.1	88	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	89
3.1	90
98.4	91
87.2	92	== 1.5 Dimension ==
3.1	93
98.2	94	[[image:image-20220718094750-3.png]]
3.1	95
	96
5.1	97
98.2	98
87.2	99	== 1.6 Pin Mapping ==
	100
	101
100.2	102	[[image:image-20220719093156-1.png]]
5.1	103
	104
87.2	105
	106	== 1.7 Land Pattern ==
	107
5.1	108	[[image:image-20220517072821-2.png]]
	109
	110
	111
87.2	112	= 2. LA66 LoRaWAN Shield =
6.1	113
	114
87.2	115	== 2.1 Overview ==
	116
90.1	117
100.2	118	(((
	119	[[image:image-20220715000826-2.png\|\|height="145" width="220"]]
	120	)))
90.1	121
100.2	122	(((
	123
	124	)))
	125
	126	(((
100.4	127	(% 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	128	)))
71.1	129
90.1	130	(((
100.2	131	(((
	132	(% 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	133	)))
100.2	134	)))
71.1	135
90.1	136	(((
100.2	137	(((
90.1	138	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	139	)))
100.2	140	)))
90.1	141
	142	(((
100.2	143	(((
90.1	144	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.
	145	)))
100.2	146	)))
90.1	147
	148	(((
100.2	149	(((
90.1	150	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	151	)))
100.2	152	)))
90.1	153
	154
100.2	155
87.2	156	== 2.2 Features ==
71.1	157
	158	* Arduino Shield base on LA66 LoRaWAN module
	159	* Support LoRaWAN v1.0.4 protocol
	160	* Support peer-to-peer protocol
	161	* TCXO crystal to ensure RF performance on low temperature
	162	* SMA connector
	163	* Available in different frequency LoRaWAN frequency bands.
	164	* World-wide unique OTAA keys.
	165	* AT Command via UART-TTL interface
	166	* Firmware upgradable via UART interface
	167	* Ultra-long RF range
	168
87.2	169	== 2.3 Specification ==
	170
71.1	171	* CPU: 32-bit 48 MHz
	172	* Flash: 256KB
	173	* RAM: 64KB
	174	* Input Power Range: 1.8v ~~ 3.7v
	175	* Power Consumption: < 4uA.
	176	* Frequency Range: 150 MHz ~~ 960 MHz
	177	* Maximum Power +22 dBm constant RF output
	178	* High sensitivity: -148 dBm
	179	* Temperature:
	180	** Storage: -55 ~~ +125℃
	181	** Operating: -40 ~~ +85℃
	182	* Humidity:
	183	** Storage: 5 ~~ 95% (Non-Condensing)
	184	** Operating: 10 ~~ 95% (Non-Condensing)
	185	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	186	* LoRa Rx current: <9 mA
	187	* I/O Voltage: 3.3v
	188
87.2	189	== 2.4 Pin Mapping & LED ==
11.1	190
	191
	192
87.2	193	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	194
	195
87.2	196
	197	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	198
	199
	200
	201	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	202
	203
	204
	205	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	206
	207
	208	=== 2.8.1 Items needed for update ===
	209
74.1	210	1. LA66 LoRaWAN Shield
	211	1. Arduino
	212	1. USB TO TTL Adapter
13.1	213
75.1	214	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	215
	216
87.2	217	=== 2.8.2 Connection ===
20.1	218
87.2	219
75.1	220	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	221
	222
87.17	223	(((
87.2	224	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	225	)))
87.2	226
87.16	227	(((
87.2	228	(% style="background-color:yellow" %)**GND <-> GND
87.8	229	TXD <-> TXD
	230	RXD <-> RXD**
87.16	231	)))
87.2	232
	233
77.1	234	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	235
75.1	236	Connect USB TTL Adapter to PC after connecting the wires
20.1	237
	238
75.1	239	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	240
	241
87.2	242	=== 2.8.3 Upgrade steps ===
20.1	243
	244
87.2	245	==== 1. Switch SW1 to put in ISP position ====
	246
	247
75.1	248	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	249
	250
87.9	251
87.2	252	==== 2. Press the RST switch once ====
32.1	253
87.10	254
75.1	255	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	256
75.1	257
87.9	258
87.2	259	==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
75.1	260
39.1	261
87.18	262	(((
87.2	263	(% 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	264	)))
87.2	265
	266
32.1	267	[[image:image-20220602103227-6.png]]
	268
87.2	269
32.1	270	[[image:image-20220602103357-7.png]]
	271
	272
87.2	273
76.1	274	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	275	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	276
87.2	277
32.1	278	[[image:image-20220602103844-8.png]]
	279
	280
87.2	281
76.1	282	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	283	(% style="color:blue" %)3. Select the bin file to burn
76.1	284
87.2	285
32.1	286	[[image:image-20220602104144-9.png]]
	287
87.2	288
32.1	289	[[image:image-20220602104251-10.png]]
	290
87.2	291
32.1	292	[[image:image-20220602104402-11.png]]
	293
	294
87.2	295
76.1	296	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	297	(% style="color:blue" %)4. Click to start the download
76.1	298
32.1	299	[[image:image-20220602104923-13.png]]
	300
	301
87.10	302
76.1	303	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	304	(% style="color:blue" %)5. Check update process
76.1	305
87.2	306
32.1	307	[[image:image-20220602104948-14.png]]
	308
	309
87.2	310
76.1	311	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	312	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	313
32.1	314	[[image:image-20220602105251-15.png]]
	315
72.1	316
	317
87.2	318	= 3. LA66 USB LoRaWAN Adapter =
6.1	319
7.1	320
87.2	321	== 3.1 Overview ==
	322
100.3	323
93.1	324	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	325
100.3	326
100.5	327	(((
91.1	328	(% 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	329	)))
52.1	330
100.5	331	(((
90.1	332	(% 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.
100.5	333	)))
73.1	334
100.5	335	(((
90.1	336	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	337	)))
90.1	338
100.5	339	(((
90.1	340	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	341	)))
90.1	342
100.5	343	(((
90.1	344	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	345	)))
90.1	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
100.5	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
100.5	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
100.5	392	(((
78.2	393	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	394	)))
58.1	395
	396
87.3	397	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	398
	399
78.2	400	[[image:image-20220602171217-1.png\|\|height="538" width="800"]]
	401
87.3	402
58.1	403	Open the serial port tool
	404
	405	[[image:image-20220602161617-8.png]]
	406
78.2	407	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	408
	409
	410
87.3	411	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	412
78.2	413	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	414
87.3	415
78.2	416	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	417
78.2	418
	419
87.3	420	(% style="color:blue" %)3. See Uplink Command
78.2	421
87.3	422	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	423
58.1	424	example: AT+SENDB=01,02,8,05820802581ea0a5
	425
78.2	426	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	427
	428
	429
87.3	430	(% style="color:blue" %)4. Check to see if TTN received the message
	431
78.2	432	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	433
	434
	435
87.3	436	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	437
87.3	438
87.1	439	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	440
	441
87.3	442	(% style="color:red" %)Preconditions:
81.1	443
87.3	444	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	445
87.3	446	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	447
	448
	449
87.3	450	(% style="color:blue" %)Steps for usage:
	451
	452	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	453
	454	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	455
81.1	456	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	457
	458
	459
87.4	460	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	461
87.4	462
79.1	463	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	464
79.1	465
87.5	466	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	467
78.2	468	[[image:image-20220602171233-2.png\|\|height="538" width="800"]]
43.1	469
52.1	470
	471
87.4	472	(% style="color:blue" %)2. Install Minicom in RPi.
	473
79.1	474	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	475
87.4	476	(% style="background-color:yellow" %)apt update
52.1	477
87.4	478	(% style="background-color:yellow" %)apt install minicom
52.1	479
	480
79.1	481	Use minicom to connect to the RPI's terminal
52.1	482
79.1	483	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	484
	485
87.4	486
87.11	487	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	488
87.11	489	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	490
	491
79.1	492	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	493
	494
	495
87.4	496	(% style="color:blue" %)4. Send Uplink message
46.1	497
87.5	498	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	499
79.1	500	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	501
87.4	502
79.1	503	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	504
87.4	505
	506
79.1	507	Check to see if TTN received the message
	508
	509	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	510
	511
	512
87.4	513	== 3.8 Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
11.1	514
13.1	515
63.1	516
87.4	517	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	518
	519
	520
	521
87.4	522	= 4. Order Info =
73.1	523
87.4	524
87.5	525	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	526
	527
87.5	528	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	529
87.5	530	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	531	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	532	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	533	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	534	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	535	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	536	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	537	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	538	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	539
100.3	540
100.5	541
87.4	542	= 5. Reference =
	543
78.1	544	* 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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