Wiki source code of LA66 LoRaWAN Module

Version 108.1 by Herong Lu on 2022/07/23 11:06

version	line-number	content
87.2	1
	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	(((
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	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
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
100.6	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
100.6	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
87.2	100	== 1.6 Pin Mapping ==
	101
101.2	102	[[image:image-20220720111850-1.png]]
87.2	103
5.1	104
	105
87.2	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	(((
101.4	132	(% 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	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
100.6	169
87.2	170	== 2.3 Specification ==
	171
71.1	172	* CPU: 32-bit 48 MHz
	173	* Flash: 256KB
	174	* RAM: 64KB
	175	* Input Power Range: 1.8v ~~ 3.7v
	176	* Power Consumption: < 4uA.
	177	* Frequency Range: 150 MHz ~~ 960 MHz
	178	* Maximum Power +22 dBm constant RF output
	179	* High sensitivity: -148 dBm
	180	* Temperature:
	181	** Storage: -55 ~~ +125℃
	182	** Operating: -40 ~~ +85℃
	183	* Humidity:
	184	** Storage: 5 ~~ 95% (Non-Condensing)
	185	** Operating: 10 ~~ 95% (Non-Condensing)
	186	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	187	* LoRa Rx current: <9 mA
	188	* I/O Voltage: 3.3v
	189
100.6	190
87.2	191	== 2.4 Pin Mapping & LED ==
11.1	192
	193
	194
87.2	195	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	196
	197
87.2	198
	199	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	200
	201
	202
	203	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	204
	205
	206
	207	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	208
	209
	210	=== 2.8.1 Items needed for update ===
	211
74.1	212	1. LA66 LoRaWAN Shield
	213	1. Arduino
	214	1. USB TO TTL Adapter
13.1	215
75.1	216	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	217
	218
87.2	219	=== 2.8.2 Connection ===
20.1	220
87.2	221
75.1	222	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	223
	224
87.17	225	(((
87.2	226	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	227	)))
87.2	228
87.16	229	(((
87.2	230	(% style="background-color:yellow" %)**GND <-> GND
87.8	231	TXD <-> TXD
	232	RXD <-> RXD**
87.16	233	)))
87.2	234
	235
77.1	236	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	237
75.1	238	Connect USB TTL Adapter to PC after connecting the wires
20.1	239
	240
75.1	241	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	242
	243
87.2	244	=== 2.8.3 Upgrade steps ===
20.1	245
	246
87.2	247	==== 1. Switch SW1 to put in ISP position ====
	248
	249
75.1	250	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	251
	252
87.9	253
87.2	254	==== 2. Press the RST switch once ====
32.1	255
87.10	256
75.1	257	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	258
75.1	259
87.9	260
87.2	261	==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
75.1	262
39.1	263
87.18	264	(((
87.2	265	(% 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	266	)))
87.2	267
	268
32.1	269	[[image:image-20220602103227-6.png]]
	270
87.2	271
32.1	272	[[image:image-20220602103357-7.png]]
	273
	274
87.2	275
76.1	276	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	277	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	278
87.2	279
32.1	280	[[image:image-20220602103844-8.png]]
	281
	282
87.2	283
76.1	284	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	285	(% style="color:blue" %)3. Select the bin file to burn
76.1	286
87.2	287
32.1	288	[[image:image-20220602104144-9.png]]
	289
87.2	290
32.1	291	[[image:image-20220602104251-10.png]]
	292
87.2	293
32.1	294	[[image:image-20220602104402-11.png]]
	295
	296
87.2	297
76.1	298	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	299	(% style="color:blue" %)4. Click to start the download
76.1	300
32.1	301	[[image:image-20220602104923-13.png]]
	302
	303
87.10	304
76.1	305	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	306	(% style="color:blue" %)5. Check update process
76.1	307
87.2	308
32.1	309	[[image:image-20220602104948-14.png]]
	310
	311
87.2	312
76.1	313	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	314	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	315
32.1	316	[[image:image-20220602105251-15.png]]
	317
72.1	318
	319
87.2	320	= 3. LA66 USB LoRaWAN Adapter =
6.1	321
7.1	322
87.2	323	== 3.1 Overview ==
	324
100.3	325
93.1	326	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	327
100.3	328
100.5	329	(((
91.1	330	(% 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	331	)))
52.1	332
100.5	333	(((
101.4	334	(% 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	335	)))
73.1	336
100.5	337	(((
90.1	338	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	339	)))
90.1	340
100.5	341	(((
90.1	342	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	343	)))
90.1	344
100.5	345	(((
90.1	346	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	347	)))
90.1	348
	349
100.3	350
87.2	351	== 3.2 Features ==
73.1	352
	353	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	354	* Ultra-long RF range
	355	* Support LoRaWAN v1.0.4 protocol
	356	* Support peer-to-peer protocol
	357	* TCXO crystal to ensure RF performance on low temperature
	358	* Spring RF antenna
	359	* Available in different frequency LoRaWAN frequency bands.
	360	* World-wide unique OTAA keys.
	361	* AT Command via UART-TTL interface
	362	* Firmware upgradable via UART interface
93.3	363	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	364
100.2	365
87.3	366	== 3.3 Specification ==
73.1	367
	368	* CPU: 32-bit 48 MHz
	369	* Flash: 256KB
	370	* RAM: 64KB
	371	* Input Power Range: 5v
	372	* Frequency Range: 150 MHz ~~ 960 MHz
	373	* Maximum Power +22 dBm constant RF output
	374	* High sensitivity: -148 dBm
	375	* Temperature:
	376	** Storage: -55 ~~ +125℃
	377	** Operating: -40 ~~ +85℃
	378	* Humidity:
	379	** Storage: 5 ~~ 95% (Non-Condensing)
	380	** Operating: 10 ~~ 95% (Non-Condensing)
	381	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	382	* LoRa Rx current: <9 mA
	383
100.2	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
106.1	400	[[image:image-20220723100027-1.png]]
78.2	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
106.1	441	(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	442
87.3	443	(% style="color:red" %)Preconditions:
81.1	444
87.3	445	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	446
87.3	447	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	448
	449
	450
87.3	451	(% style="color:blue" %)Steps for usage:
	452
	453	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	454
	455	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	456
81.1	457	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	458
	459
	460
87.4	461	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	462
87.4	463
79.1	464	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	465
79.1	466
87.5	467	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	468
106.1	469	[[image:image-20220723100439-2.png]]
43.1	470
52.1	471
	472
87.4	473	(% style="color:blue" %)2. Install Minicom in RPi.
	474
79.1	475	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	476
87.4	477	(% style="background-color:yellow" %)apt update
52.1	478
87.4	479	(% style="background-color:yellow" %)apt install minicom
52.1	480
	481
79.1	482	Use minicom to connect to the RPI's terminal
52.1	483
79.1	484	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	485
	486
87.4	487
87.11	488	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	489
87.11	490	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	491
	492
79.1	493	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	494
	495
	496
87.4	497	(% style="color:blue" %)4. Send Uplink message
46.1	498
87.5	499	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	500
79.1	501	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	502
87.4	503
79.1	504	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	505
87.4	506
	507
79.1	508	Check to see if TTN received the message
	509
	510	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	511
	512
	513
106.1	514	== 3.8 Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
11.1	515
106.1	516	=== 3.8.1 DRAGINO-LA66-APP ===
13.1	517
106.1	518	[[image:image-20220723102027-3.png]]
63.1	519
106.1	520	==== Overview： ====
	521
	522	DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Module. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Module.（DRAGINO-LA66-APP currently only supports Android system）
	523
	524	==== Conditions of Use： ====
	525
	526	Requires a type-c to USB adapter
	527
	528	[[image:image-20220723104754-4.png]]
	529
	530	==== Use of APP: ====
	531
	532	LA66 USB LoRaWAN Module not connected
	533
	534
	535
87.4	536	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	537
	538
	539
	540
87.4	541	= 4. Order Info =
73.1	542
87.4	543
87.5	544	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	545
	546
87.5	547	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	548
87.5	549	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	550	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	551	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	552	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	553	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	554	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	555	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	556	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	557	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	558
87.4	559	= 5. Reference =
	560
78.1	561	* 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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