Wiki source code of LA66 LoRaWAN Module

Version 133.1 by Herong Lu on 2022/07/23 17:57
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1 0
2
3 **Table of Contents:**
4
5 {{toc/}}
6
7
8
9 = 1.  LA66 LoRaWAN Module =
10
11
12 == 1.1  What is LA66 LoRaWAN Module ==
13
14
15 (((
16 (((
17 [[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 )))
19
20 (((
21
22 )))
23
24 (((
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.
26 )))
27 )))
28
29 (((
30 (((
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.
32 )))
33 )))
34
35 (((
36 (((
37 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 )))
39
40 (((
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.
42 )))
43 )))
44
45 (((
46 (((
47 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 )))
49 )))
50
51
52
53 == 1.2  Features ==
54
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.
61 * AT Command via UART-TTL interface
62 * Firmware upgradable via UART interface
63 * Ultra-long RF range
64
65 == 1.3  Specification ==
66
67 * CPU: 32-bit 48 MHz
68 * Flash: 256KB
69 * RAM: 64KB
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
84
85 == 1.4  AT Command ==
86
87
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.
89
90
91
92 == 1.5  Dimension ==
93
94 [[image:image-20220718094750-3.png]]
95
96
97
98 == 1.6  Pin Mapping ==
99
100 [[image:image-20220720111850-1.png]]
101
102
103
104 == 1.7  Land Pattern ==
105
106 [[image:image-20220517072821-2.png]]
107
108
109
110 = 2.  LA66 LoRaWAN Shield =
111
112
113 == 2.1  Overview ==
114
115
116 (((
117 [[image:image-20220715000826-2.png||height="145" width="220"]]
118 )))
119
120 (((
121
122 )))
123
124 (((
125 (% 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.
126 )))
127
128 (((
129 (((
130 (% 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.
131 )))
132 )))
133
134 (((
135 (((
136 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 )))
138 )))
139
140 (((
141 (((
142 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.
143 )))
144 )))
145
146 (((
147 (((
148 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
149 )))
150 )))
151
152
153
154 == 2.2  Features ==
155
156 * Arduino Shield base on LA66 LoRaWAN module
157 * Support LoRaWAN v1.0.4 protocol
158 * Support peer-to-peer protocol
159 * TCXO crystal to ensure RF performance on low temperature
160 * SMA connector
161 * Available in different frequency LoRaWAN frequency bands.
162 * World-wide unique OTAA keys.
163 * AT Command via UART-TTL interface
164 * Firmware upgradable via UART interface
165 * Ultra-long RF range
166
167 == 2.3  Specification ==
168
169 * CPU: 32-bit 48 MHz
170 * Flash: 256KB
171 * RAM: 64KB
172 * Input Power Range: 1.8v ~~ 3.7v
173 * Power Consumption: < 4uA.
174 * Frequency Range: 150 MHz ~~ 960 MHz
175 * Maximum Power +22 dBm constant RF output
176 * High sensitivity: -148 dBm
177 * Temperature:
178 ** Storage: -55 ~~ +125℃
179 ** Operating: -40 ~~ +85℃
180 * Humidity:
181 ** Storage: 5 ~~ 95% (Non-Condensing)
182 ** Operating: 10 ~~ 95% (Non-Condensing)
183 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
184 * LoRa Rx current: <9 mA
185 * I/O Voltage: 3.3v
186
187 == 2.4  LED ==
188
189 ~1. The LED lights up red when there is an upstream data packet
190 2. When the network is successfully connected, the green light will be on for 5 seconds
191 3. Purple light on when receiving downlink data packets
192
193
194 == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
195
196 Show connection diagram：
197
198 [[image:image-20220723170210-2.png||height="908" width="681"]]
199
200 1.open Arduino IDE
201
202 [[image:image-20220723170545-4.png]]
203
204 2.Open project
205
206 [[image:image-20220723170750-5.png||height="533" width="930"]]
207
208 3.Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload
209
210 [[image:image-20220723171228-6.png]]
211
212 4.After the upload is successful, open the serial port monitoring and send the AT command
213
214 [[image:image-20220723172235-7.png||height="480" width="1027"]]
215
216 == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
217
218 1.Open project
219
220 [[image:image-20220723172502-8.png]]
221
222 2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
223
224 [[image:image-20220723172938-9.png||height="652" width="1050"]]
225
226
227 == 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
228
229 1.Open project
230
231 [[image:image-20220723173341-10.png||height="581" width="1014"]]
232
233 2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
234
235 [[image:image-20220723173950-11.png||height="665" width="1012"]]
236
237 3.Integration into Node-red via TTNV3
238
239 For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
240
241 [[image:image-20220723175700-12.png||height="602" width="995"]]
242
243 == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
244
245
246 === 2.8.1  Items needed for update ===
247
248 1. LA66 LoRaWAN Shield
249 1. Arduino
250 1. USB TO TTL Adapter
251
252 [[image:image-20220602100052-2.png||height="385" width="600"]]
253
254
255 === 2.8.2  Connection ===
256
257
258 [[image:image-20220602101311-3.png||height="276" width="600"]]
259
260
261 (((
262 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
263 )))
264
265 (((
266 (% style="background-color:yellow" %)**GND  <-> GND
267 TXD  <->  TXD
268 RXD  <->  RXD**
269 )))
270
271
272 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
273
274 Connect USB TTL Adapter to PC after connecting the wires
275
276
277 [[image:image-20220602102240-4.png||height="304" width="600"]]
278
279
280 === 2.8.3  Upgrade steps ===
281
282
283 ==== 1.  Switch SW1 to put in ISP position ====
284
285
286 [[image:image-20220602102824-5.png||height="306" width="600"]]
287
288
289
290 ==== 2.  Press the RST switch once ====
291
292
293 [[image:image-20220602104701-12.png||height="285" width="600"]]
294
295
296
297 ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
298
299
300 (((
301 (% 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/]]**
302 )))
303
304
305 [[image:image-20220602103227-6.png]]
306
307
308 [[image:image-20220602103357-7.png]]
309
310
311
312 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
313 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
314
315
316 [[image:image-20220602103844-8.png]]
317
318
319
320 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
321 (% style="color:blue" %)**3. Select the bin file to burn**
322
323
324 [[image:image-20220602104144-9.png]]
325
326
327 [[image:image-20220602104251-10.png]]
328
329
330 [[image:image-20220602104402-11.png]]
331
332
333
334 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
335 (% style="color:blue" %)**4. Click to start the download**
336
337 [[image:image-20220602104923-13.png]]
338
339
340
341 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
342 (% style="color:blue" %)**5. Check update process**
343
344
345 [[image:image-20220602104948-14.png]]
346
347
348
349 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
350 (% style="color:blue" %)**The following picture shows that the burning is successful**
351
352 [[image:image-20220602105251-15.png]]
353
354
355
356 = 3.  LA66 USB LoRaWAN Adapter =
357
358
359 == 3.1  Overview ==
360
361
362 [[image:image-20220715001142-3.png||height="145" width="220"]]
363
364
365 (((
366 (% 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.
367 )))
368
369 (((
370 (% 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.
371 )))
372
373 (((
374 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
375 )))
376
377 (((
378 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.
379 )))
380
381 (((
382 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
383 )))
384
385
386
387 == 3.2  Features ==
388
389 * LoRaWAN USB adapter base on LA66 LoRaWAN module
390 * Ultra-long RF range
391 * Support LoRaWAN v1.0.4 protocol
392 * Support peer-to-peer protocol
393 * TCXO crystal to ensure RF performance on low temperature
394 * Spring RF antenna
395 * Available in different frequency LoRaWAN frequency bands.
396 * World-wide unique OTAA keys.
397 * AT Command via UART-TTL interface
398 * Firmware upgradable via UART interface
399 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
400
401 == 3.3  Specification ==
402
403 * CPU: 32-bit 48 MHz
404 * Flash: 256KB
405 * RAM: 64KB
406 * Input Power Range: 5v
407 * Frequency Range: 150 MHz ~~ 960 MHz
408 * Maximum Power +22 dBm constant RF output
409 * High sensitivity: -148 dBm
410 * Temperature:
411 ** Storage: -55 ~~ +125℃
412 ** Operating: -40 ~~ +85℃
413 * Humidity:
414 ** Storage: 5 ~~ 95% (Non-Condensing)
415 ** Operating: 10 ~~ 95% (Non-Condensing)
416 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
417 * LoRa Rx current: <9 mA
418
419 == 3.4  Pin Mapping & LED ==
420
421
422
423 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
424
425
426 (((
427 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
428 )))
429
430
431 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
432
433
434 [[image:image-20220723100027-1.png]]
435
436
437 Open the serial port tool
438
439 [[image:image-20220602161617-8.png]]
440
441 [[image:image-20220602161718-9.png||height="457" width="800"]]
442
443
444
445 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
446
447 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
448
449
450 [[image:image-20220602161935-10.png||height="498" width="800"]]
451
452
453
454 (% style="color:blue" %)**3. See Uplink Command**
455
456 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
457
458 example: AT+SENDB=01,02,8,05820802581ea0a5
459
460 [[image:image-20220602162157-11.png||height="497" width="800"]]
461
462
463
464 (% style="color:blue" %)**4. Check to see if TTN received the message**
465
466 [[image:image-20220602162331-12.png||height="420" width="800"]]
467
468
469
470 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
471
472
473 **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]]
474
475 (**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]])
476
477 (% style="color:red" %)**Preconditions:**
478
479 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
480
481 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
482
483
484
485 (% style="color:blue" %)**Steps for usage:**
486
487 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
488
489 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
490
491 [[image:image-20220602115852-3.png||height="450" width="1187"]]
492
493
494
495 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
496
497
498 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
499
500
501 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
502
503 [[image:image-20220723100439-2.png]]
504
505
506
507 (% style="color:blue" %)**2. Install Minicom in RPi.**
508
509 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
510
511 (% style="background-color:yellow" %)**apt update**
512
513 (% style="background-color:yellow" %)**apt install minicom**
514
515
516 Use minicom to connect to the RPI's terminal
517
518 [[image:image-20220602153146-3.png||height="439" width="500"]]
519
520
521
522 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
523
524 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
525
526
527 [[image:image-20220602154928-5.png||height="436" width="500"]]
528
529
530
531 (% style="color:blue" %)**4. Send Uplink message**
532
533 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
534
535 example: AT+SENDB=01,02,8,05820802581ea0a5
536
537
538 [[image:image-20220602160339-6.png||height="517" width="600"]]
539
540
541
542 Check to see if TTN received the message
543
544 [[image:image-20220602160627-7.png||height="369" width="800"]]
545
546
547
548 == 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
549
550 === 3.8.1 DRAGINO-LA66-APP ===
551
552 [[image:image-20220723102027-3.png]]
553
554 ==== Overview： ====
555
556 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.
557
558 View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
559
560 ==== Conditions of Use： ====
561
562 Requires a type-c to USB adapter
563
564 [[image:image-20220723104754-4.png]]
565
566 ==== Use of APP: ====
567
568 Function and page introduction
569
570 [[image:image-20220723113448-7.png||height="1481" width="670"]]
571
572 1.Display LA66 USB LoRaWAN Module connection status
573
574 2.Check and reconnect
575
576 3.Turn send timestamps on or off
577
578 4.Display LoRaWan connection status
579
580 5.Check LoRaWan connection status
581
582 6.The RSSI value of the node when the ACK is received
583
584 7.Node's Signal Strength Icon
585
586 8.Set the packet sending interval of the node in seconds
587
588 9.AT command input box
589
590 10.Send AT command button
591
592 11.Node log box
593
594 12.clear log button
595
596 13.exit button
597
598 LA66 USB LoRaWAN Module not connected
599
600 [[image:image-20220723110520-5.png||height="903" width="677"]]
601
602 Connect LA66 USB LoRaWAN Module
603
604 [[image:image-20220723110626-6.png||height="906" width="680"]]
605
606 === 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Module and integrate it into Node-RED ===
607
608 1.Register LA66 USB LoRaWAN Module to TTNV3
609
610 [[image:image-20220723134549-8.png]]
611
612 2.Open Node-RED,And import the JSON file to generate the flow
613
614 Sample JSON file please go to this link to download：放置JSON文件的链接
615
616 For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
617
618 The following is the positioning effect map
619
620 [[image:image-20220723144339-1.png]]
621
622 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
623
624 The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method
625
626 Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
627
628 [[image:image-20220723150132-2.png]]
629
630
631 = 4.  Order Info =
632
633
634 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
635
636
637 (% style="color:blue" %)**XXX**(%%): The default frequency band
638
639 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
640 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
641 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
642 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
643 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
644 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
645 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
646 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
647 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
648
649 = 5.  Reference =
650
651 * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]

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