Version 146.4 by Xiaoling on 2022/08/16 11:04
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1
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
56 * Support LoRaWAN v1.0.4 protocol
57 * Support peer-to-peer protocol
58 * TCXO crystal to ensure RF performance on low temperature
59 * SMD Antenna pad and i-pex antenna connector
60 * Available in different frequency LoRaWAN frequency bands.
61 * World-wide unique OTAA keys.
62 * AT Command via UART-TTL interface
63 * Firmware upgradable via UART interface
64 * Ultra-long RF range
65
66 == 1.3  Specification ==
67
68
69 * CPU: 32-bit 48 MHz
70 * Flash: 256KB
71 * RAM: 64KB
72 * Input Power Range: 1.8v ~~ 3.7v
73 * Power Consumption: < 4uA.
74 * Frequency Range: 150 MHz ~~ 960 MHz
75 * Maximum Power +22 dBm constant RF output
76 * High sensitivity: -148 dBm
77 * Temperature:
78 ** Storage: -55 ~~ +125℃
79 ** Operating: -40 ~~ +85℃
80 * Humidity:
81 ** Storage: 5 ~~ 95% (Non-Condensing)
82 ** Operating: 10 ~~ 95% (Non-Condensing)
83 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
84 * LoRa Rx current: <9 mA
85 * I/O Voltage: 3.3v
86
87 == 1.4  AT Command ==
88
89
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.
91
92
93
94 == 1.5  Dimension ==
95
96 [[image:image-20220718094750-3.png]]
97
98
99
100 == 1.6  Pin Mapping ==
101
102 [[image:image-20220720111850-1.png]]
103
104
105
106 == 1.7  Land Pattern ==
107
108
109 [[image:image-20220517072821-2.png]]
110
111
112
113 = 2.  LA66 LoRaWAN Shield =
114
115
116 == 2.1  Overview ==
117
118
119 (((
120 [[image:image-20220715000826-2.png||height="145" width="220"]]
121 )))
122
123 (((
124
125 )))
126
127 (((
128 (% 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.
129 )))
130
131 (((
132 (((
133 (% 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.
134 )))
135 )))
136
137 (((
138 (((
139 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
140 )))
141 )))
142
143 (((
144 (((
145 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.
146 )))
147 )))
148
149 (((
150 (((
151 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
152 )))
153 )))
154
155
156
157 == 2.2  Features ==
158
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
171 == 2.3  Specification ==
172
173
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
192 == 2.4  Pin Mapping & LED ==
193
194
195 [[image:image-20220814101457-1.png||height="553" width="761"]]
196
197 ~1. The LED lights up red when there is an upstream data packet
198 2. When the network is successfully connected, the green light will be on for 5 seconds
199 3. Purple light on when receiving downlink data packets
200
201
202
203 == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
204
205
206 **Show connection diagram：**
207
208
209 [[image:image-20220723170210-2.png||height="908" width="681"]]
210
211
212
213 (% style="color:blue" %)**1.  open Arduino IDE**
214
215
216 [[image:image-20220723170545-4.png]]
217
218
219
220 (% style="color:blue" %)**2.  Open project**
221
222
223 LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
224
225 [[image:image-20220726135239-1.png]]
226
227
228 (% style="color:blue" %)**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**
229
230 [[image:image-20220726135356-2.png]]
231
232
233 (% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
234
235
236 [[image:image-20220723172235-7.png||height="480" width="1027"]]
237
238
239
240 == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
241
242
243 (% style="color:blue" %)**1.  Open project**
244
245
246 Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
247
248
249 [[image:image-20220723172502-8.png]]
250
251
252
253 (% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
254
255
256 [[image:image-20220723172938-9.png||height="652" width="1050"]]
257
258
259
260 == 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
261
262
263 (% style="color:blue" %)**1.  Open project**
264
265
266 Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
267
268
269 [[image:image-20220723173341-10.png||height="581" width="1014"]]
270
271
272
273 (% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
274
275
276 [[image:image-20220723173950-11.png||height="665" width="1012"]]
277
278
279
280 (% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
281
282 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/]]
283
284 [[image:image-20220723175700-12.png||height="602" width="995"]]
285
286
287
288 == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
289
290
291 === 2.8.1  Items needed for update ===
292
293
294 1. LA66 LoRaWAN Shield
295 1. Arduino
296 1. USB TO TTL Adapter
297
298 [[image:image-20220602100052-2.png||height="385" width="600"]]
299
300
301
302 === 2.8.2  Connection ===
303
304
305 [[image:image-20220602101311-3.png||height="276" width="600"]]
306
307
308 (((
309 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
310 )))
311
312 (((
313 (% style="background-color:yellow" %)**GND  <-> GND
314 TXD  <->  TXD
315 RXD  <->  RXD**
316 )))
317
318
319 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
320
321 Connect USB TTL Adapter to PC after connecting the wires
322
323
324 [[image:image-20220602102240-4.png||height="304" width="600"]]
325
326
327
328 === 2.8.3  Upgrade steps ===
329
330
331 ==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
332
333
334 [[image:image-20220602102824-5.png||height="306" width="600"]]
335
336
337
338 ==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
339
340
341 [[image:image-20220602104701-12.png||height="285" width="600"]]
342
343
344
345 ==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
346
347
348 (((
349 (% 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/]]**
350 )))
351
352
353 [[image:image-20220602103227-6.png]]
354
355
356 [[image:image-20220602103357-7.png]]
357
358
359
360 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
361 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
362
363
364 [[image:image-20220602103844-8.png]]
365
366
367
368 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
369 (% style="color:blue" %)**3. Select the bin file to burn**
370
371
372 [[image:image-20220602104144-9.png]]
373
374
375 [[image:image-20220602104251-10.png]]
376
377
378 [[image:image-20220602104402-11.png]]
379
380
381
382 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
383 (% style="color:blue" %)**4. Click to start the download**
384
385 [[image:image-20220602104923-13.png]]
386
387
388
389 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
390 (% style="color:blue" %)**5. Check update process**
391
392
393 [[image:image-20220602104948-14.png]]
394
395
396
397 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
398 (% style="color:blue" %)**The following picture shows that the burning is successful**
399
400 [[image:image-20220602105251-15.png]]
401
402
403
404 = 3.  LA66 USB LoRaWAN Adapter =
405
406
407 == 3.1  Overview ==
408
409
410 [[image:image-20220715001142-3.png||height="145" width="220"]]
411
412
413 (((
414 (% 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.
415 )))
416
417 (((
418 (% 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.
419 )))
420
421 (((
422 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
423 )))
424
425 (((
426 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.
427 )))
428
429 (((
430 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
431 )))
432
433
434
435 == 3.2  Features ==
436
437
438 * LoRaWAN USB adapter base on LA66 LoRaWAN module
439 * Ultra-long RF range
440 * Support LoRaWAN v1.0.4 protocol
441 * Support peer-to-peer protocol
442 * TCXO crystal to ensure RF performance on low temperature
443 * Spring RF antenna
444 * Available in different frequency LoRaWAN frequency bands.
445 * World-wide unique OTAA keys.
446 * AT Command via UART-TTL interface
447 * Firmware upgradable via UART interface
448 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
449
450 == 3.3  Specification ==
451
452
453 * CPU: 32-bit 48 MHz
454 * Flash: 256KB
455 * RAM: 64KB
456 * Input Power Range: 5v
457 * Frequency Range: 150 MHz ~~ 960 MHz
458 * Maximum Power +22 dBm constant RF output
459 * High sensitivity: -148 dBm
460 * Temperature:
461 ** Storage: -55 ~~ +125℃
462 ** Operating: -40 ~~ +85℃
463 * Humidity:
464 ** Storage: 5 ~~ 95% (Non-Condensing)
465 ** Operating: 10 ~~ 95% (Non-Condensing)
466 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
467 * LoRa Rx current: <9 mA
468
469 == 3.4  Pin Mapping & LED ==
470
471 [[image:image-20220813183239-3.png||height="526" width="662"]]
472
473
474 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
475
476
477 (((
478 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
479 )))
480
481
482 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
483
484
485 [[image:image-20220723100027-1.png]]
486
487
488 Open the serial port tool
489
490 [[image:image-20220602161617-8.png]]
491
492 [[image:image-20220602161718-9.png||height="457" width="800"]]
493
494
495
496 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
497
498 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
499
500
501 [[image:image-20220602161935-10.png||height="498" width="800"]]
502
503
504
505 (% style="color:blue" %)**3. See Uplink Command**
506
507 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
508
509 example: AT+SENDB=01,02,8,05820802581ea0a5
510
511 [[image:image-20220602162157-11.png||height="497" width="800"]]
512
513
514
515 (% style="color:blue" %)**4. Check to see if TTN received the message**
516
517 [[image:image-20220602162331-12.png||height="420" width="800"]]
518
519
520
521 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
522
523
524 **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]]
525
526 (**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]])
527
528 (% style="color:red" %)**Preconditions:**
529
530 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
531
532 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
533
534
535
536 (% style="color:blue" %)**Steps for usage:**
537
538 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
539
540 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
541
542 [[image:image-20220602115852-3.png||height="450" width="1187"]]
543
544
545
546 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
547
548
549 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
550
551
552 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
553
554 [[image:image-20220723100439-2.png]]
555
556
557
558 (% style="color:blue" %)**2. Install Minicom in RPi.**
559
560 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
561
562 (% style="background-color:yellow" %)**apt update**
563
564 (% style="background-color:yellow" %)**apt install minicom**
565
566
567 Use minicom to connect to the RPI's terminal
568
569 [[image:image-20220602153146-3.png||height="439" width="500"]]
570
571
572
573 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
574
575 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
576
577
578 [[image:image-20220602154928-5.png||height="436" width="500"]]
579
580
581
582 (% style="color:blue" %)**4. Send Uplink message**
583
584 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
585
586 example: AT+SENDB=01,02,8,05820802581ea0a5
587
588
589 [[image:image-20220602160339-6.png||height="517" width="600"]]
590
591
592
593 Check to see if TTN received the message
594
595 [[image:image-20220602160627-7.png||height="369" width="800"]]
596
597
598
599 == 3.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
600
601
602 === 3.8.1  Hardware and Software Connection ===
603
604
605 ==== (% style="color:blue" %)**Overview：**(%%) ====
606
607
608 (((
609 DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
610
611 * Send real-time location information of mobile phone to LoRaWAN network.
612 * Check LoRaWAN network signal strengh.
613 * Manually send messages to LoRaWAN network.
614 )))
615
616
617
618 ==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
619
620 A USB to Type-C adapter is needed to connect to a Mobile phone.
621
622 Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
623
624 [[image:image-20220813174353-2.png||height="360" width="313"]]
625
626
627 ==== (% style="color:blue" %)**Download and Install App:**(%%) ====
628
629 [[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]].  (Android Version Only)
630
631 [[image:image-20220813173738-1.png]]
632
633
634 ==== (% style="color:blue" %)**Use of APP:**(%%) ====
635
636 Function and page introduction
637
638 [[image:image-20220723113448-7.png||height="995" width="450"]]
639
640 **Block Explain:**
641
642 1.  Display LA66 USB LoRaWAN Module connection status
643
644 2.  Check and reconnect
645
646 3.  Turn send timestamps on or off
647
648 4.  Display LoRaWan connection status
649
650 5.  Check LoRaWan connection status
651
652 6.  The RSSI value of the node when the ACK is received
653
654 7.  Node's Signal Strength Icon
655
656 8.  Configure Location Uplink Interval
657
658 9.  AT command input box
659
660 10.  Send Button:  Send input box info to LA66 USB Adapter
661
662 11.  Output Log from LA66 USB adapter
663
664 12.  clear log button
665
666 13.  exit button
667
668
669 LA66 USB LoRaWAN Module not connected
670
671 [[image:image-20220723110520-5.png||height="677" width="508"]]
672
673
674
675 Connect LA66 USB LoRaWAN Module
676
677 [[image:image-20220723110626-6.png||height="681" width="511"]]
678
679
680
681 === 3.8.2 Send data to TTNv3 and plot location info in Node-Red ===
682
683
684 (% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
685
686 [[image:image-20220723134549-8.png]]
687
688
689
690 (% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
691
692 Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
693
694 For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
695
696 After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
697
698
699 Example output in NodeRed is as below:
700
701 [[image:image-20220723144339-1.png]]
702
703
704
705 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
706
707
708 The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
709
710 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)
711
712 [[image:image-20220723150132-2.png]]
713
714
715
716 = 4.  FAQ =
717
718
719 == 4.1  How to Compile Source Code for LA66? ==
720
721
722 Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
723
724
725
726 = 5.  Order Info =
727
728
729 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
730
731
732 (% style="color:blue" %)**XXX**(%%): The default frequency band
733
734 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
735 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
736 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
737 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
738 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
739 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
740 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
741 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
742 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
743
744 = 6.  Reference =
745
746
747 * 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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