Wiki source code of LA66 LoRaWAN Module

Version 143.1 by Edwin Chen on 2022/08/13 18:32
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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
67 == 1.3  Specification ==
68
69
70 * CPU: 32-bit 48 MHz
71 * Flash: 256KB
72 * RAM: 64KB
73 * Input Power Range: 1.8v ~~ 3.7v
74 * Power Consumption: < 4uA.
75 * Frequency Range: 150 MHz ~~ 960 MHz
76 * Maximum Power +22 dBm constant RF output
77 * High sensitivity: -148 dBm
78 * Temperature:
79 ** Storage: -55 ~~ +125℃
80 ** Operating: -40 ~~ +85℃
81 * Humidity:
82 ** Storage: 5 ~~ 95% (Non-Condensing)
83 ** Operating: 10 ~~ 95% (Non-Condensing)
84 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
85 * LoRa Rx current: <9 mA
86 * I/O Voltage: 3.3v
87
88
89 == 1.4  AT Command ==
90
91
92 AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
93
94
95
96 == 1.5  Dimension ==
97
98 [[image:image-20220718094750-3.png]]
99
100
101
102 == 1.6  Pin Mapping ==
103
104 [[image:image-20220720111850-1.png]]
105
106
107
108 == 1.7  Land Pattern ==
109
110
111 [[image:image-20220517072821-2.png]]
112
113
114
115 = 2.  LA66 LoRaWAN Shield =
116
117
118 == 2.1  Overview ==
119
120
121 (((
122 [[image:image-20220715000826-2.png||height="145" width="220"]]
123 )))
124
125 (((
126
127 )))
128
129 (((
130 (% 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.
131 )))
132
133 (((
134 (((
135 (% 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.
136 )))
137 )))
138
139 (((
140 (((
141 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
142 )))
143 )))
144
145 (((
146 (((
147 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.
148 )))
149 )))
150
151 (((
152 (((
153 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
154 )))
155 )))
156
157
158
159 == 2.2  Features ==
160
161
162 * Arduino Shield base on LA66 LoRaWAN module
163 * Support LoRaWAN v1.0.4 protocol
164 * Support peer-to-peer protocol
165 * TCXO crystal to ensure RF performance on low temperature
166 * SMA connector
167 * Available in different frequency LoRaWAN frequency bands.
168 * World-wide unique OTAA keys.
169 * AT Command via UART-TTL interface
170 * Firmware upgradable via UART interface
171 * Ultra-long RF range
172
173
174 == 2.3  Specification ==
175
176
177 * CPU: 32-bit 48 MHz
178 * Flash: 256KB
179 * RAM: 64KB
180 * Input Power Range: 1.8v ~~ 3.7v
181 * Power Consumption: < 4uA.
182 * Frequency Range: 150 MHz ~~ 960 MHz
183 * Maximum Power +22 dBm constant RF output
184 * High sensitivity: -148 dBm
185 * Temperature:
186 ** Storage: -55 ~~ +125℃
187 ** Operating: -40 ~~ +85℃
188 * Humidity:
189 ** Storage: 5 ~~ 95% (Non-Condensing)
190 ** Operating: 10 ~~ 95% (Non-Condensing)
191 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
192 * LoRa Rx current: <9 mA
193 * I/O Voltage: 3.3v
194
195
196 == 2.4  LED ==
197
198
199 ~1. The LED lights up red when there is an upstream data packet
200 2. When the network is successfully connected, the green light will be on for 5 seconds
201 3. Purple light on when receiving downlink data packets
202
203
204
205 == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
206
207
208 **Show connection diagram：**
209
210
211 [[image:image-20220723170210-2.png||height="908" width="681"]]
212
213
214
215 (% style="color:blue" %)**1.  open Arduino IDE**
216
217
218 [[image:image-20220723170545-4.png]]
219
220
221
222 (% style="color:blue" %)**2.  Open project**
223
224
225 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]]
226
227 [[image:image-20220726135239-1.png]]
228
229
230 (% 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**
231
232 [[image:image-20220726135356-2.png]]
233
234
235 (% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
236
237
238 [[image:image-20220723172235-7.png||height="480" width="1027"]]
239
240
241
242 == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
243
244
245 (% style="color:blue" %)**1.  Open project**
246
247
248 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]]
249
250
251 [[image:image-20220723172502-8.png]]
252
253
254
255 (% 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**
256
257
258 [[image:image-20220723172938-9.png||height="652" width="1050"]]
259
260
261
262 == 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
263
264
265 (% style="color:blue" %)**1.  Open project**
266
267
268 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]]
269
270
271 [[image:image-20220723173341-10.png||height="581" width="1014"]]
272
273
274
275 (% 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**
276
277
278 [[image:image-20220723173950-11.png||height="665" width="1012"]]
279
280
281
282 (% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
283
284 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/]]
285
286 [[image:image-20220723175700-12.png||height="602" width="995"]]
287
288
289
290 == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
291
292
293 === 2.8.1  Items needed for update ===
294
295
296 1. LA66 LoRaWAN Shield
297 1. Arduino
298 1. USB TO TTL Adapter
299
300 [[image:image-20220602100052-2.png||height="385" width="600"]]
301
302
303
304 === 2.8.2  Connection ===
305
306
307 [[image:image-20220602101311-3.png||height="276" width="600"]]
308
309
310 (((
311 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
312 )))
313
314 (((
315 (% style="background-color:yellow" %)**GND  <-> GND
316 TXD  <->  TXD
317 RXD  <->  RXD**
318 )))
319
320
321 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
322
323 Connect USB TTL Adapter to PC after connecting the wires
324
325
326 [[image:image-20220602102240-4.png||height="304" width="600"]]
327
328
329
330 === 2.8.3  Upgrade steps ===
331
332
333 ==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
334
335
336 [[image:image-20220602102824-5.png||height="306" width="600"]]
337
338
339
340 ==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
341
342
343 [[image:image-20220602104701-12.png||height="285" width="600"]]
344
345
346
347 ==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
348
349
350 (((
351 (% 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/]]**
352 )))
353
354
355 [[image:image-20220602103227-6.png]]
356
357
358 [[image:image-20220602103357-7.png]]
359
360
361
362 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
363 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
364
365
366 [[image:image-20220602103844-8.png]]
367
368
369
370 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
371 (% style="color:blue" %)**3. Select the bin file to burn**
372
373
374 [[image:image-20220602104144-9.png]]
375
376
377 [[image:image-20220602104251-10.png]]
378
379
380 [[image:image-20220602104402-11.png]]
381
382
383
384 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
385 (% style="color:blue" %)**4. Click to start the download**
386
387 [[image:image-20220602104923-13.png]]
388
389
390
391 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
392 (% style="color:blue" %)**5. Check update process**
393
394
395 [[image:image-20220602104948-14.png]]
396
397
398
399 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
400 (% style="color:blue" %)**The following picture shows that the burning is successful**
401
402 [[image:image-20220602105251-15.png]]
403
404
405
406 = 3.  LA66 USB LoRaWAN Adapter =
407
408
409 == 3.1  Overview ==
410
411
412 [[image:image-20220715001142-3.png||height="145" width="220"]]
413
414
415 (((
416 (% 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.
417 )))
418
419 (((
420 (% 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.
421 )))
422
423 (((
424 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
425 )))
426
427 (((
428 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.
429 )))
430
431 (((
432 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
433 )))
434
435
436
437 == 3.2  Features ==
438
439
440 * LoRaWAN USB adapter base on LA66 LoRaWAN module
441 * Ultra-long RF range
442 * Support LoRaWAN v1.0.4 protocol
443 * Support peer-to-peer protocol
444 * TCXO crystal to ensure RF performance on low temperature
445 * Spring RF antenna
446 * Available in different frequency LoRaWAN frequency bands.
447 * World-wide unique OTAA keys.
448 * AT Command via UART-TTL interface
449 * Firmware upgradable via UART interface
450 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
451
452
453 == 3.3  Specification ==
454
455
456 * CPU: 32-bit 48 MHz
457 * Flash: 256KB
458 * RAM: 64KB
459 * Input Power Range: 5v
460 * Frequency Range: 150 MHz ~~ 960 MHz
461 * Maximum Power +22 dBm constant RF output
462 * High sensitivity: -148 dBm
463 * Temperature:
464 ** Storage: -55 ~~ +125℃
465 ** Operating: -40 ~~ +85℃
466 * Humidity:
467 ** Storage: 5 ~~ 95% (Non-Condensing)
468 ** Operating: 10 ~~ 95% (Non-Condensing)
469 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
470 * LoRa Rx current: <9 mA
471
472
473 == 3.4  Pin Mapping & LED ==
474
475 [[image:image-20220813183239-3.png||height="526" width="662"]]
476
477
478 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
479
480
481 (((
482 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
483 )))
484
485
486 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
487
488
489 [[image:image-20220723100027-1.png]]
490
491
492 Open the serial port tool
493
494 [[image:image-20220602161617-8.png]]
495
496 [[image:image-20220602161718-9.png||height="457" width="800"]]
497
498
499
500 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
501
502 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
503
504
505 [[image:image-20220602161935-10.png||height="498" width="800"]]
506
507
508
509 (% style="color:blue" %)**3. See Uplink Command**
510
511 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
512
513 example: AT+SENDB=01,02,8,05820802581ea0a5
514
515 [[image:image-20220602162157-11.png||height="497" width="800"]]
516
517
518
519 (% style="color:blue" %)**4. Check to see if TTN received the message**
520
521 [[image:image-20220602162331-12.png||height="420" width="800"]]
522
523
524
525 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
526
527
528 **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]]
529
530 (**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]])
531
532 (% style="color:red" %)**Preconditions:**
533
534 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
535
536 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
537
538
539
540 (% style="color:blue" %)**Steps for usage:**
541
542 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
543
544 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
545
546 [[image:image-20220602115852-3.png||height="450" width="1187"]]
547
548
549
550 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
551
552
553 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
554
555
556 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
557
558 [[image:image-20220723100439-2.png]]
559
560
561
562 (% style="color:blue" %)**2. Install Minicom in RPi.**
563
564 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
565
566 (% style="background-color:yellow" %)**apt update**
567
568 (% style="background-color:yellow" %)**apt install minicom**
569
570
571 Use minicom to connect to the RPI's terminal
572
573 [[image:image-20220602153146-3.png||height="439" width="500"]]
574
575
576
577 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
578
579 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
580
581
582 [[image:image-20220602154928-5.png||height="436" width="500"]]
583
584
585
586 (% style="color:blue" %)**4. Send Uplink message**
587
588 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
589
590 example: AT+SENDB=01,02,8,05820802581ea0a5
591
592
593 [[image:image-20220602160339-6.png||height="517" width="600"]]
594
595
596
597 Check to see if TTN received the message
598
599 [[image:image-20220602160627-7.png||height="369" width="800"]]
600
601
602
603 == 3.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
604
605
606 === 3.8.1  Hardware and Software Connection ===
607
608
609 ==== (% style="color:blue" %)**Overview：**(%%) ====
610
611
612 (((
613 DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
614
615 * Send real-time location information of mobile phone to LoRaWAN network.
616 * Check LoRaWAN network signal strengh.
617 * Manually send messages to LoRaWAN network.
618 )))
619
620
621
622 ==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
623
624 A USB to Type-C adapter is needed to connect to a Mobile phone.
625
626 Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
627
628 [[image:image-20220813174353-2.png||height="360" width="313"]]
629
630
631 ==== (% style="color:blue" %)**Download and Install App:**(%%) ====
632
633 [[(% 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)
634
635 [[image:image-20220813173738-1.png]]
636
637
638 ==== (% style="color:blue" %)**Use of APP:**(%%) ====
639
640 Function and page introduction
641
642 [[image:image-20220723113448-7.png||height="995" width="450"]]
643
644 **Block Explain:**
645
646 1.  Display LA66 USB LoRaWAN Module connection status
647
648 2.  Check and reconnect
649
650 3.  Turn send timestamps on or off
651
652 4.  Display LoRaWan connection status
653
654 5.  Check LoRaWan connection status
655
656 6.  The RSSI value of the node when the ACK is received
657
658 7.  Node's Signal Strength Icon
659
660 8.  Configure Location Uplink Interval
661
662 9.  AT command input box
663
664 10.  Send Button:  Send input box info to LA66 USB Adapter
665
666 11.  Output Log from LA66 USB adapter
667
668 12.  clear log button
669
670 13.  exit button
671
672
673 LA66 USB LoRaWAN Module not connected
674
675 [[image:image-20220723110520-5.png||height="677" width="508"]]
676
677
678
679 Connect LA66 USB LoRaWAN Module
680
681 [[image:image-20220723110626-6.png||height="681" width="511"]]
682
683
684
685 === 3.8.2 Send data to TTNv3 and plot location info in Node-Red ===
686
687
688 (% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
689
690 [[image:image-20220723134549-8.png]]
691
692
693
694 (% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
695
696 Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
697
698 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/]]
699
700 After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
701
702
703 Example output in NodeRed is as below:
704
705 [[image:image-20220723144339-1.png]]
706
707
708
709 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
710
711
712 The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
713
714 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)
715
716 [[image:image-20220723150132-2.png]]
717
718
719
720 = 4.  FAQ =
721
722
723 == 4.1  How to Compile Source Code for LA66? ==
724
725
726 Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
727
728
729
730 = 5.  Order Info =
731
732
733 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
734
735
736 (% style="color:blue" %)**XXX**(%%): The default frequency band
737
738 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
739 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
740 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
741 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
742 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
743 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
744 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
745 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
746 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
747
748
749 = 6.  Reference =
750
751
752 * 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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