Wiki source code of LA66 LoRaWAN Module

Version 93.2 by Xiaoling on 2022/07/15 14:35

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	(((
88.2	16	[[image:image-20220715000242-1.png\|\|height="110" width="132"]]
	17
65.1	18	(% 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	19	)))
1.1	20
87.15	21	(((
65.1	22	(% 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	23	)))
1.1	24
87.15	25	(((
65.1	26	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
87.15	27	)))
1.1	28
87.15	29	(((
65.1	30	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	31	)))
1.1	32
87.15	33	(((
65.1	34	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
87.15	35	)))
1.1	36
67.1	37
87.2	38	== 1.2 Features ==
64.1	39
68.1	40	* Support LoRaWAN v1.0.4 protocol
	41	* Support peer-to-peer protocol
	42	* TCXO crystal to ensure RF performance on low temperature
	43	* SMD Antenna pad and i-pex antenna connector
	44	* Available in different frequency LoRaWAN frequency bands.
	45	* World-wide unique OTAA keys.
69.1	46	* AT Command via UART-TTL interface
	47	* Firmware upgradable via UART interface
	48	* Ultra-long RF range
64.1	49
93.2	50
	51
87.2	52	== 1.3 Specification ==
	53
68.1	54	* CPU: 32-bit 48 MHz
	55	* Flash: 256KB
	56	* RAM: 64KB
66.1	57	* Input Power Range: 1.8v ~~ 3.7v
	58	* Power Consumption: < 4uA.
	59	* Frequency Range: 150 MHz ~~ 960 MHz
	60	* Maximum Power +22 dBm constant RF output
	61	* High sensitivity: -148 dBm
	62	* Temperature:
	63	** Storage: -55 ~~ +125℃
	64	** Operating: -40 ~~ +85℃
	65	* Humidity:
	66	** Storage: 5 ~~ 95% (Non-Condensing)
	67	** Operating: 10 ~~ 95% (Non-Condensing)
	68	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	69	* LoRa Rx current: <9 mA
	70	* I/O Voltage: 3.3v
1.1	71
93.2	72
	73
87.2	74	== 1.4 AT Command ==
	75
66.1	76	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	77
3.1	78
87.2	79	== 1.5 Dimension ==
3.1	80
66.1	81	[[image:image-20220517072526-1.png]]
3.1	82
	83
5.1	84
87.2	85	== 1.6 Pin Mapping ==
	86
	87
10.2	88	[[image:image-20220523101537-1.png]]
5.1	89
	90
87.2	91
	92	== 1.7 Land Pattern ==
	93
5.1	94	[[image:image-20220517072821-2.png]]
	95
	96
	97
87.2	98	= 2. LA66 LoRaWAN Shield =
6.1	99
	100
87.2	101	== 2.1 Overview ==
	102
90.1	103
	104	[[image:image-20220715000826-2.png\|\|height="386" width="449"]]
	105
	106
71.1	107	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.
	108
90.1	109	(((
	110	(% 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.
	111	)))
71.1	112
90.1	113	(((
	114	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	115	)))
	116
	117	(((
	118	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.
	119	)))
	120
	121	(((
	122	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	123	)))
	124
	125
87.2	126	== 2.2 Features ==
71.1	127
	128	* Arduino Shield base on LA66 LoRaWAN module
	129	* Support LoRaWAN v1.0.4 protocol
	130	* Support peer-to-peer protocol
	131	* TCXO crystal to ensure RF performance on low temperature
	132	* SMA connector
	133	* Available in different frequency LoRaWAN frequency bands.
	134	* World-wide unique OTAA keys.
	135	* AT Command via UART-TTL interface
	136	* Firmware upgradable via UART interface
	137	* Ultra-long RF range
	138
93.2	139
	140
87.2	141	== 2.3 Specification ==
	142
71.1	143	* CPU: 32-bit 48 MHz
	144	* Flash: 256KB
	145	* RAM: 64KB
	146	* Input Power Range: 1.8v ~~ 3.7v
	147	* Power Consumption: < 4uA.
	148	* Frequency Range: 150 MHz ~~ 960 MHz
	149	* Maximum Power +22 dBm constant RF output
	150	* High sensitivity: -148 dBm
	151	* Temperature:
	152	** Storage: -55 ~~ +125℃
	153	** Operating: -40 ~~ +85℃
	154	* Humidity:
	155	** Storage: 5 ~~ 95% (Non-Condensing)
	156	** Operating: 10 ~~ 95% (Non-Condensing)
	157	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	158	* LoRa Rx current: <9 mA
	159	* I/O Voltage: 3.3v
	160
93.2	161
	162
87.2	163	== 2.4 Pin Mapping & LED ==
11.1	164
	165
	166
87.2	167	== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
11.1	168
	169
87.2	170
	171	== 2.6 Example: Join TTN network and send an uplink message, get downlink message. ==
	172
	173
	174
	175	== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	176
	177
	178
	179	== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==
	180
	181
	182	=== 2.8.1 Items needed for update ===
	183
74.1	184	1. LA66 LoRaWAN Shield
	185	1. Arduino
	186	1. USB TO TTL Adapter
13.1	187
75.1	188	[[image:image-20220602100052-2.png\|\|height="385" width="600"]]
20.1	189
	190
87.2	191	=== 2.8.2 Connection ===
20.1	192
87.2	193
75.1	194	[[image:image-20220602101311-3.png\|\|height="276" width="600"]]
20.1	195
	196
87.17	197	(((
87.2	198	(% style="color:blue" %)LA66 LoRaWAN Shield(%%) <-> (% style="color:blue" %)USB TTL
87.17	199	)))
87.2	200
87.16	201	(((
87.2	202	(% style="background-color:yellow" %)**GND <-> GND
87.8	203	TXD <-> TXD
	204	RXD <-> RXD**
87.16	205	)))
87.2	206
	207
77.1	208	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
20.1	209
75.1	210	Connect USB TTL Adapter to PC after connecting the wires
20.1	211
	212
75.1	213	[[image:image-20220602102240-4.png\|\|height="304" width="600"]]
20.1	214
	215
87.2	216	=== 2.8.3 Upgrade steps ===
20.1	217
	218
87.2	219	==== 1. Switch SW1 to put in ISP position ====
	220
	221
75.1	222	[[image:image-20220602102824-5.png\|\|height="306" width="600"]]
32.1	223
	224
87.9	225
87.2	226	==== 2. Press the RST switch once ====
32.1	227
87.10	228
75.1	229	[[image:image-20220602104701-12.png\|\|height="285" width="600"]]
32.1	230
75.1	231
87.9	232
87.2	233	==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
75.1	234
39.1	235
87.18	236	(((
87.2	237	(% 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	238	)))
87.2	239
	240
32.1	241	[[image:image-20220602103227-6.png]]
	242
87.2	243
32.1	244	[[image:image-20220602103357-7.png]]
	245
	246
87.2	247
76.1	248	(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
87.2	249	(% style="color:blue" %)2. Select the COM port corresponding to USB TTL
76.1	250
87.2	251
32.1	252	[[image:image-20220602103844-8.png]]
	253
	254
87.2	255
76.1	256	(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
87.2	257	(% style="color:blue" %)3. Select the bin file to burn
76.1	258
87.2	259
32.1	260	[[image:image-20220602104144-9.png]]
	261
87.2	262
32.1	263	[[image:image-20220602104251-10.png]]
	264
87.2	265
32.1	266	[[image:image-20220602104402-11.png]]
	267
	268
87.2	269
76.1	270	(% class="wikigeneratedid" id="HClicktostartthedownload" %)
87.2	271	(% style="color:blue" %)4. Click to start the download
76.1	272
32.1	273	[[image:image-20220602104923-13.png]]
	274
	275
87.10	276
76.1	277	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
87.2	278	(% style="color:blue" %)5. Check update process
76.1	279
87.2	280
32.1	281	[[image:image-20220602104948-14.png]]
	282
	283
87.2	284
76.1	285	(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
87.2	286	(% style="color:blue" %)The following picture shows that the burning is successful
76.1	287
32.1	288	[[image:image-20220602105251-15.png]]
	289
72.1	290
	291
87.2	292	= 3. LA66 USB LoRaWAN Adapter =
6.1	293
7.1	294
87.2	295	== 3.1 Overview ==
	296
93.1	297	[[image:image-20220715001142-3.png\|\|height="145" width="220"]]
	298
91.1	299	(% 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	300
90.1	301	(% 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	302
90.1	303	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
	304
	305	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.
	306
	307	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
	308
	309
87.2	310	== 3.2 Features ==
73.1	311
	312	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	313	* Ultra-long RF range
	314	* Support LoRaWAN v1.0.4 protocol
	315	* Support peer-to-peer protocol
	316	* TCXO crystal to ensure RF performance on low temperature
	317	* Spring RF antenna
	318	* Available in different frequency LoRaWAN frequency bands.
	319	* World-wide unique OTAA keys.
	320	* AT Command via UART-TTL interface
	321	* Firmware upgradable via UART interface
	322
93.2	323
	324
87.3	325	== 3.3 Specification ==
73.1	326
	327	* CPU: 32-bit 48 MHz
	328	* Flash: 256KB
	329	* RAM: 64KB
	330	* Input Power Range: 5v
	331	* Frequency Range: 150 MHz ~~ 960 MHz
	332	* Maximum Power +22 dBm constant RF output
	333	* High sensitivity: -148 dBm
	334	* Temperature:
	335	** Storage: -55 ~~ +125℃
	336	** Operating: -40 ~~ +85℃
	337	* Humidity:
	338	** Storage: 5 ~~ 95% (Non-Condensing)
	339	** Operating: 10 ~~ 95% (Non-Condensing)
	340	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	341	* LoRa Rx current: <9 mA
	342
93.2	343
	344
87.3	345	== 3.4 Pin Mapping & LED ==
7.1	346
	347
87.3	348
	349	== 3.5 Example: Send & Get Messages via LoRaWAN in PC ==
	350
	351
78.2	352	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
58.1	353
	354
87.3	355	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
	356
	357
78.2	358	[[image:image-20220602171217-1.png\|\|height="538" width="800"]]
	359
87.3	360
58.1	361	Open the serial port tool
	362
	363	[[image:image-20220602161617-8.png]]
	364
78.2	365	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	366
	367
	368
87.3	369	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	370
78.2	371	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	372
87.3	373
78.2	374	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	375
78.2	376
	377
87.3	378	(% style="color:blue" %)3. See Uplink Command
78.2	379
87.3	380	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	381
58.1	382	example: AT+SENDB=01,02,8,05820802581ea0a5
	383
78.2	384	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	385
	386
	387
87.3	388	(% style="color:blue" %)4. Check to see if TTN received the message
	389
78.2	390	[[image:image-20220602162331-12.png\|\|height="420" width="800"]]
	391
	392
	393
87.3	394	== 3.6 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	395
87.3	396
87.1	397	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	398
	399
87.3	400	(% style="color:red" %)Preconditions:
81.1	401
87.3	402	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	403
87.3	404	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	405
	406
	407
87.3	408	(% style="color:blue" %)Steps for usage:
	409
	410	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	411
	412	(% style="color:blue" %)2.(%%) Run the python script in PC and see the TTN
	413
81.1	414	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	415
	416
	417
87.4	418	== 3.7 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	419
87.4	420
79.1	421	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	422
79.1	423
87.5	424	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	425
78.2	426	[[image:image-20220602171233-2.png\|\|height="538" width="800"]]
43.1	427
52.1	428
	429
87.4	430	(% style="color:blue" %)2. Install Minicom in RPi.
	431
79.1	432	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	433
87.4	434	(% style="background-color:yellow" %)apt update
52.1	435
87.4	436	(% style="background-color:yellow" %)apt install minicom
52.1	437
	438
79.1	439	Use minicom to connect to the RPI's terminal
52.1	440
79.1	441	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	442
	443
87.4	444
87.11	445	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	446
87.11	447	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	448
	449
79.1	450	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	451
	452
	453
87.4	454	(% style="color:blue" %)4. Send Uplink message
46.1	455
87.5	456	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	457
79.1	458	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	459
87.4	460
79.1	461	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	462
87.4	463
	464
79.1	465	Check to see if TTN received the message
	466
	467	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	468
	469
	470
87.4	471	== 3.8 Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
11.1	472
13.1	473
63.1	474
87.4	475	== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	476
	477
	478
	479
87.4	480	= 4. Order Info =
73.1	481
87.4	482
87.5	483	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	484
	485
87.5	486	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	487
87.5	488	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	489	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	490	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	491	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	492	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	493	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	494	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	495	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	496	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	497
87.4	498	= 5. Reference =
	499
78.1	500	* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
	501
90.1	502

Wiki source code of LA66 LoRaWAN Module

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