Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 139.1 >
edited by Edwin Chen
on 2022/08/13 17:43
To version < 149.1 >
edited by Edwin Chen
on 2022/10/21 11:04
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
Content
... ... @@ -53,7 +53,7 @@
53 53  == 1.2  Features ==
54 54  
55 55  
56 -* Support LoRaWAN v1.0.4 protocol
56 +* Support LoRaWAN v1.0.3 protocol
57 57  * Support peer-to-peer protocol
58 58  * TCXO crystal to ensure RF performance on low temperature
59 59  * SMD Antenna pad and i-pex antenna connector
... ... @@ -64,9 +64,6 @@
64 64  * Ultra-long RF range
65 65  
66 66  
67 -
68 -
69 -
70 70  == 1.3  Specification ==
71 71  
72 72  
... ... @@ -89,18 +89,16 @@
89 89  * I/O Voltage: 3.3v
90 90  
91 91  
92 -
93 -
94 -
95 95  == 1.4  AT Command ==
96 96  
97 97  
98 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
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>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
99 99  
100 100  
101 101  
102 102  == 1.5  Dimension ==
103 103  
98 +
104 104  [[image:image-20220718094750-3.png]]
105 105  
106 106  
... ... @@ -118,632 +118,47 @@
118 118  
119 119  
120 120  
121 -= 2.  LA66 LoRaWAN Shield =
116 += 2.  FAQ =
122 122  
123 123  
124 -== 2.1  Overview ==
119 +(% class="wikigeneratedid" %)
120 +== 2.1 Where to find examples of how to use LA66? ==
125 125  
122 +(% class="wikigeneratedid" %)
123 +Below products are made by LA66. User can use their examples as reference:
126 126  
127 -(((
128 -[[image:image-20220715000826-2.png||height="145" width="220"]]
129 -)))
125 +* LA66 Shield for Arduino
126 +* LA66 USB Adapter
130 130  
131 -(((
132 -
133 -)))
134 134  
135 -(((
136 -(% 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.
137 -)))
138 138  
139 -(((
140 -(((
141 -(% 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.
142 -)))
143 -)))
130 +== 2.2  How to Compile Source Code for LA66? ==
144 144  
145 -(((
146 -(((
147 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
148 -)))
149 -)))
150 150  
151 -(((
152 -(((
153 -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.
154 -)))
155 -)))
133 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
156 156  
157 -(((
158 -(((
159 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
160 -)))
161 -)))
162 162  
163 163  
137 +== 2.3 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
164 164  
165 -== 2.2  Features ==
166 166  
140 +Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
167 167  
168 -* Arduino Shield base on LA66 LoRaWAN module
169 -* Support LoRaWAN v1.0.4 protocol
170 -* Support peer-to-peer protocol
171 -* TCXO crystal to ensure RF performance on low temperature
172 -* SMA connector
173 -* Available in different frequency LoRaWAN frequency bands.
174 -* World-wide unique OTAA keys.
175 -* AT Command via UART-TTL interface
176 -* Firmware upgradable via UART interface
177 -* Ultra-long RF range
178 178  
179 179  
144 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
180 180  
181 181  
147 +Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
182 182  
183 -== 2.3  Specification ==
184 184  
185 185  
186 -* CPU: 32-bit 48 MHz
187 -* Flash: 256KB
188 -* RAM: 64KB
189 -* Input Power Range: 1.8v ~~ 3.7v
190 -* Power Consumption: < 4uA.
191 -* Frequency Range: 150 MHz ~~ 960 MHz
192 -* Maximum Power +22 dBm constant RF output
193 -* High sensitivity: -148 dBm
194 -* Temperature:
195 -** Storage: -55 ~~ +125℃
196 -** Operating: -40 ~~ +85℃
197 -* Humidity:
198 -** Storage: 5 ~~ 95% (Non-Condensing)
199 -** Operating: 10 ~~ 95% (Non-Condensing)
200 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
201 -* LoRa Rx current: <9 mA
202 -* I/O Voltage: 3.3v
151 += 3.  Order Info =
203 203  
204 204  
154 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
205 205  
206 206  
207 -
208 -== 2.4  LED ==
209 -
210 -
211 -~1. The LED lights up red when there is an upstream data packet
212 -2. When the network is successfully connected, the green light will be on for 5 seconds
213 -3. Purple light on when receiving downlink data packets
214 -
215 -
216 -
217 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
218 -
219 -
220 -**Show connection diagram：**
221 -
222 -
223 -[[image:image-20220723170210-2.png||height="908" width="681"]]
224 -
225 -
226 -
227 -(% style="color:blue" %)**1.  open Arduino IDE**
228 -
229 -
230 -[[image:image-20220723170545-4.png]]
231 -
232 -
233 -
234 -(% style="color:blue" %)**2.  Open project**
235 -
236 -
237 -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]]
238 -
239 -[[image:image-20220726135239-1.png]]
240 -
241 -
242 -(% 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**
243 -
244 -[[image:image-20220726135356-2.png]]
245 -
246 -
247 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
248 -
249 -
250 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
251 -
252 -
253 -
254 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
255 -
256 -
257 -(% style="color:blue" %)**1.  Open project**
258 -
259 -
260 -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]]
261 -
262 -
263 -[[image:image-20220723172502-8.png]]
264 -
265 -
266 -
267 -(% 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**
268 -
269 -
270 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
271 -
272 -
273 -
274 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
275 -
276 -
277 -(% style="color:blue" %)**1.  Open project**
278 -
279 -
280 -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]]
281 -
282 -
283 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
284 -
285 -
286 -
287 -(% 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**
288 -
289 -
290 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
291 -
292 -
293 -
294 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
295 -
296 -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/]]
297 -
298 -[[image:image-20220723175700-12.png||height="602" width="995"]]
299 -
300 -
301 -
302 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
303 -
304 -
305 -=== 2.8.1  Items needed for update ===
306 -
307 -
308 -1. LA66 LoRaWAN Shield
309 -1. Arduino
310 -1. USB TO TTL Adapter
311 -
312 -[[image:image-20220602100052-2.png||height="385" width="600"]]
313 -
314 -
315 -
316 -=== 2.8.2  Connection ===
317 -
318 -
319 -[[image:image-20220602101311-3.png||height="276" width="600"]]
320 -
321 -
322 -(((
323 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
324 -)))
325 -
326 -(((
327 -(% style="background-color:yellow" %)**GND  <-> GND
328 -TXD  <->  TXD
329 -RXD  <->  RXD**
330 -)))
331 -
332 -
333 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
334 -
335 -Connect USB TTL Adapter to PC after connecting the wires
336 -
337 -
338 -[[image:image-20220602102240-4.png||height="304" width="600"]]
339 -
340 -
341 -
342 -=== 2.8.3  Upgrade steps ===
343 -
344 -
345 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
346 -
347 -
348 -[[image:image-20220602102824-5.png||height="306" width="600"]]
349 -
350 -
351 -
352 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
353 -
354 -
355 -[[image:image-20220602104701-12.png||height="285" width="600"]]
356 -
357 -
358 -
359 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
360 -
361 -
362 -(((
363 -(% 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/]]**
364 -)))
365 -
366 -
367 -[[image:image-20220602103227-6.png]]
368 -
369 -
370 -[[image:image-20220602103357-7.png]]
371 -
372 -
373 -
374 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
375 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
376 -
377 -
378 -[[image:image-20220602103844-8.png]]
379 -
380 -
381 -
382 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
383 -(% style="color:blue" %)**3. Select the bin file to burn**
384 -
385 -
386 -[[image:image-20220602104144-9.png]]
387 -
388 -
389 -[[image:image-20220602104251-10.png]]
390 -
391 -
392 -[[image:image-20220602104402-11.png]]
393 -
394 -
395 -
396 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
397 -(% style="color:blue" %)**4. Click to start the download**
398 -
399 -[[image:image-20220602104923-13.png]]
400 -
401 -
402 -
403 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
404 -(% style="color:blue" %)**5. Check update process**
405 -
406 -
407 -[[image:image-20220602104948-14.png]]
408 -
409 -
410 -
411 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
412 -(% style="color:blue" %)**The following picture shows that the burning is successful**
413 -
414 -[[image:image-20220602105251-15.png]]
415 -
416 -
417 -
418 -= 3.  LA66 USB LoRaWAN Adapter =
419 -
420 -
421 -== 3.1  Overview ==
422 -
423 -
424 -[[image:image-20220715001142-3.png||height="145" width="220"]]
425 -
426 -
427 -(((
428 -(% 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.
429 -)))
430 -
431 -(((
432 -(% 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.
433 -)))
434 -
435 -(((
436 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
437 -)))
438 -
439 -(((
440 -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.
441 -)))
442 -
443 -(((
444 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
445 -)))
446 -
447 -
448 -
449 -== 3.2  Features ==
450 -
451 -
452 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
453 -* Ultra-long RF range
454 -* Support LoRaWAN v1.0.4 protocol
455 -* Support peer-to-peer protocol
456 -* TCXO crystal to ensure RF performance on low temperature
457 -* Spring RF antenna
458 -* Available in different frequency LoRaWAN frequency bands.
459 -* World-wide unique OTAA keys.
460 -* AT Command via UART-TTL interface
461 -* Firmware upgradable via UART interface
462 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
463 -
464 -
465 -
466 -
467 -
468 -== 3.3  Specification ==
469 -
470 -
471 -* CPU: 32-bit 48 MHz
472 -* Flash: 256KB
473 -* RAM: 64KB
474 -* Input Power Range: 5v
475 -* Frequency Range: 150 MHz ~~ 960 MHz
476 -* Maximum Power +22 dBm constant RF output
477 -* High sensitivity: -148 dBm
478 -* Temperature:
479 -** Storage: -55 ~~ +125℃
480 -** Operating: -40 ~~ +85℃
481 -* Humidity:
482 -** Storage: 5 ~~ 95% (Non-Condensing)
483 -** Operating: 10 ~~ 95% (Non-Condensing)
484 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
485 -* LoRa Rx current: <9 mA
486 -
487 -
488 -
489 -
490 -
491 -== 3.4  Pin Mapping & LED ==
492 -
493 -
494 -
495 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
496 -
497 -
498 -(((
499 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
500 -)))
501 -
502 -
503 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
504 -
505 -
506 -[[image:image-20220723100027-1.png]]
507 -
508 -
509 -Open the serial port tool
510 -
511 -[[image:image-20220602161617-8.png]]
512 -
513 -[[image:image-20220602161718-9.png||height="457" width="800"]]
514 -
515 -
516 -
517 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
518 -
519 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
520 -
521 -
522 -[[image:image-20220602161935-10.png||height="498" width="800"]]
523 -
524 -
525 -
526 -(% style="color:blue" %)**3. See Uplink Command**
527 -
528 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
529 -
530 -example: AT+SENDB=01,02,8,05820802581ea0a5
531 -
532 -[[image:image-20220602162157-11.png||height="497" width="800"]]
533 -
534 -
535 -
536 -(% style="color:blue" %)**4. Check to see if TTN received the message**
537 -
538 -[[image:image-20220602162331-12.png||height="420" width="800"]]
539 -
540 -
541 -
542 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
543 -
544 -
545 -**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]]
546 -
547 -(**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]])
548 -
549 -(% style="color:red" %)**Preconditions:**
550 -
551 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
552 -
553 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
554 -
555 -
556 -
557 -(% style="color:blue" %)**Steps for usage:**
558 -
559 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
560 -
561 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
562 -
563 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
564 -
565 -
566 -
567 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
568 -
569 -
570 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
571 -
572 -
573 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
574 -
575 -[[image:image-20220723100439-2.png]]
576 -
577 -
578 -
579 -(% style="color:blue" %)**2. Install Minicom in RPi.**
580 -
581 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
582 -
583 - (% style="background-color:yellow" %)**apt update**
584 -
585 - (% style="background-color:yellow" %)**apt install minicom**
586 -
587 -
588 -Use minicom to connect to the RPI's terminal
589 -
590 -[[image:image-20220602153146-3.png||height="439" width="500"]]
591 -
592 -
593 -
594 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
595 -
596 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
597 -
598 -
599 -[[image:image-20220602154928-5.png||height="436" width="500"]]
600 -
601 -
602 -
603 -(% style="color:blue" %)**4. Send Uplink message**
604 -
605 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
606 -
607 -example: AT+SENDB=01,02,8,05820802581ea0a5
608 -
609 -
610 -[[image:image-20220602160339-6.png||height="517" width="600"]]
611 -
612 -
613 -
614 -Check to see if TTN received the message
615 -
616 -[[image:image-20220602160627-7.png||height="369" width="800"]]
617 -
618 -
619 -
620 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
621 -
622 -
623 -=== 3.8.1  DRAGINO-LA66-APP ===
624 -
625 -
626 -[[image:image-20220723102027-3.png]]
627 -
628 -
629 -
630 -==== (% style="color:blue" %)**Overview：**(%%) ====
631 -
632 -
633 -(((
634 -DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter.
635 -)))
636 -
637 -(((
638 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
639 -)))
640 -
641 -
642 -
643 -==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
644 -
645 -
646 -Requires a type-c to USB adapter
647 -
648 -[[image:image-20220723104754-4.png]]
649 -
650 -
651 -
652 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
653 -
654 -
655 -Function and page introduction
656 -
657 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
658 -
659 -
660 -1.Display LA66 USB LoRaWAN Module connection status
661 -
662 -2.Check and reconnect
663 -
664 -3.Turn send timestamps on or off
665 -
666 -4.Display LoRaWan connection status
667 -
668 -5.Check LoRaWan connection status
669 -
670 -6.The RSSI value of the node when the ACK is received
671 -
672 -7.Node's Signal Strength Icon
673 -
674 -8.Set the packet sending interval of the node in seconds
675 -
676 -9.AT command input box
677 -
678 -10.Send AT command button
679 -
680 -11.Node log box
681 -
682 -12.clear log button
683 -
684 -13.exit button
685 -
686 -
687 -LA66 USB LoRaWAN Module not connected
688 -
689 -[[image:image-20220723110520-5.png||height="903" width="677"]]
690 -
691 -
692 -
693 -Connect LA66 USB LoRaWAN Module
694 -
695 -[[image:image-20220723110626-6.png||height="906" width="680"]]
696 -
697 -
698 -
699 -=== 3.8.2  Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
700 -
701 -
702 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
703 -
704 -[[image:image-20220723134549-8.png]]
705 -
706 -
707 -
708 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
709 -
710 -Sample JSON file please go to this link to download：放置JSON文件的链接
711 -
712 -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/]]
713 -
714 -The following is the positioning effect map
715 -
716 -[[image:image-20220723144339-1.png]]
717 -
718 -
719 -
720 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
721 -
722 -
723 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
724 -
725 -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)
726 -
727 -[[image:image-20220723150132-2.png]]
728 -
729 -
730 -
731 -= 4.  FAQ =
732 -
733 -
734 -== 4.1  How to Compile Source Code for LA66? ==
735 -
736 -
737 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
738 -
739 -
740 -
741 -= 5.  Order Info =
742 -
743 -
744 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
745 -
746 -
747 747  (% style="color:blue" %)**XXX**(%%): The default frequency band
748 748  
749 749  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -758,9 +758,29 @@
758 758  
759 759  
760 760  
171 += 4.  FCC Statement =
761 761  
762 762  
763 -= 6.  Reference =
174 +(% style="color:red" %)**FCC Caution:**
764 764  
176 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
765 765  
766 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
178 +This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
179 +
180 +
181 +(% style="color:red" %)**IMPORTANT NOTE: **
182 +
183 +(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
184 +
185 +—Reorient or relocate the receiving antenna.
186 +
187 +—Increase the separation between the equipment and receiver.
188 +
189 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
190 +
191 +—Consult the dealer or an experienced radio/TV technician for help.
192 +
193 +
194 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
195 +
196 +This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
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