Last modified by Xiaoling on 2023/09/19 09:20

From version 134.3
edited by Xiaoling
on 2022/07/26 10:37
Change comment: There is no comment for this version
To version 148.2
edited by Xiaoling
on 2022/09/15 10:45
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
... ... @@ -52,7 +52,8 @@
52 52  
53 53  == 1.2  Features ==
54 54  
55 -* Support LoRaWAN v1.0.4 protocol
55 +
56 +* Support LoRaWAN v1.0.3 protocol
56 56  * Support peer-to-peer protocol
57 57  * TCXO crystal to ensure RF performance on low temperature
58 58  * SMD Antenna pad and i-pex antenna connector
... ... @@ -62,110 +62,12 @@
62 62  * Firmware upgradable via UART interface
63 63  * Ultra-long RF range
64 64  
65 -== 1.3  Specification ==
66 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 84  
85 -== 1.4  AT Command ==
86 86  
69 +== 1.3  Specification ==
87 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 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 -
169 169  * CPU: 32-bit 48 MHz
170 170  * Flash: 256KB
171 171  * RAM: 64KB
... ... @@ -184,522 +184,59 @@
184 184  * LoRa Rx current: <9 mA
185 185  * I/O Voltage: 3.3v
186 186  
187 -== 2.4  LED ==
188 188  
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
192 192  
193 193  
194 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
93 +== 1.4  AT Command ==
195 195  
196 196  
197 -**Show connection diagram:**
96 +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]].
198 198  
199 199  
200 -[[image:image-20220723170210-2.png||height="908" width="681"]]
201 201  
100 +== 1.5  Dimension ==
202 202  
203 203  
204 -**1.  open Arduino IDE**
103 +[[image:image-20220718094750-3.png]]
205 205  
206 206  
207 -[[image:image-20220723170545-4.png]]
208 208  
107 +== 1.6  Pin Mapping ==
209 209  
109 +[[image:image-20220720111850-1.png]]
210 210  
211 -**2.  Open project**
212 212  
213 213  
214 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
113 +== 1.7  Land Pattern ==
215 215  
216 -[[image:image-20220723170750-5.png||height="533" width="930"]]
217 217  
116 +[[image:image-20220517072821-2.png]]
218 218  
219 219  
220 -**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**
221 221  
120 += 2.  FAQ =
222 222  
223 -[[image:image-20220723171228-6.png]]
224 224  
123 +== 2.1  How to Compile Source Code for LA66? ==
225 225  
226 226  
227 -**4.  After the upload is successful, open the serial port monitoring and send the AT command**
126 +Compile and Upload Code to ASR6601 Platform:[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
228 228  
229 229  
230 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
231 231  
130 +== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
232 232  
233 233  
234 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
133 +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.
235 235  
236 236  
237 -**1.  Open project**
238 238  
137 += 3.  Order Info =
239 239  
240 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
241 241  
242 -[[image:image-20220723172502-8.png]]
140 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
243 243  
244 244  
245 -
246 -2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
247 -
248 -
249 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
250 -
251 -
252 -
253 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
254 -
255 -
256 -**1.  Open project**
257 -
258 -
259 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
260 -
261 -
262 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
263 -
264 -
265 -
266 -**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
267 -
268 -
269 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
270 -
271 -
272 -
273 -**3.  Integration into Node-red via TTNV3**
274 -
275 -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/]]
276 -
277 -[[image:image-20220723175700-12.png||height="602" width="995"]]
278 -
279 -
280 -
281 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
282 -
283 -
284 -=== 2.8.1  Items needed for update ===
285 -
286 -
287 -1. LA66 LoRaWAN Shield
288 -1. Arduino
289 -1. USB TO TTL Adapter
290 -
291 -[[image:image-20220602100052-2.png||height="385" width="600"]]
292 -
293 -
294 -=== 2.8.2  Connection ===
295 -
296 -
297 -[[image:image-20220602101311-3.png||height="276" width="600"]]
298 -
299 -
300 -(((
301 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
302 -)))
303 -
304 -(((
305 -(% style="background-color:yellow" %)**GND  <-> GND
306 -TXD  <->  TXD
307 -RXD  <->  RXD**
308 -)))
309 -
310 -
311 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
312 -
313 -Connect USB TTL Adapter to PC after connecting the wires
314 -
315 -
316 -[[image:image-20220602102240-4.png||height="304" width="600"]]
317 -
318 -
319 -=== 2.8.3  Upgrade steps ===
320 -
321 -
322 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
323 -
324 -
325 -[[image:image-20220602102824-5.png||height="306" width="600"]]
326 -
327 -
328 -
329 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
330 -
331 -
332 -[[image:image-20220602104701-12.png||height="285" width="600"]]
333 -
334 -
335 -
336 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
337 -
338 -
339 -(((
340 -(% 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/]]**
341 -)))
342 -
343 -
344 -[[image:image-20220602103227-6.png]]
345 -
346 -
347 -[[image:image-20220602103357-7.png]]
348 -
349 -
350 -
351 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
352 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
353 -
354 -
355 -[[image:image-20220602103844-8.png]]
356 -
357 -
358 -
359 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
360 -(% style="color:blue" %)**3. Select the bin file to burn**
361 -
362 -
363 -[[image:image-20220602104144-9.png]]
364 -
365 -
366 -[[image:image-20220602104251-10.png]]
367 -
368 -
369 -[[image:image-20220602104402-11.png]]
370 -
371 -
372 -
373 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
374 -(% style="color:blue" %)**4. Click to start the download**
375 -
376 -[[image:image-20220602104923-13.png]]
377 -
378 -
379 -
380 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
381 -(% style="color:blue" %)**5. Check update process**
382 -
383 -
384 -[[image:image-20220602104948-14.png]]
385 -
386 -
387 -
388 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
389 -(% style="color:blue" %)**The following picture shows that the burning is successful**
390 -
391 -[[image:image-20220602105251-15.png]]
392 -
393 -
394 -
395 -= 3.  LA66 USB LoRaWAN Adapter =
396 -
397 -
398 -== 3.1  Overview ==
399 -
400 -
401 -[[image:image-20220715001142-3.png||height="145" width="220"]]
402 -
403 -
404 -(((
405 -(% 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.
406 -)))
407 -
408 -(((
409 -(% 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.
410 -)))
411 -
412 -(((
413 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
414 -)))
415 -
416 -(((
417 -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.
418 -)))
419 -
420 -(((
421 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
422 -)))
423 -
424 -
425 -
426 -== 3.2  Features ==
427 -
428 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
429 -* Ultra-long RF range
430 -* Support LoRaWAN v1.0.4 protocol
431 -* Support peer-to-peer protocol
432 -* TCXO crystal to ensure RF performance on low temperature
433 -* Spring RF antenna
434 -* Available in different frequency LoRaWAN frequency bands.
435 -* World-wide unique OTAA keys.
436 -* AT Command via UART-TTL interface
437 -* Firmware upgradable via UART interface
438 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
439 -
440 -
441 -
442 -== 3.3  Specification ==
443 -
444 -* CPU: 32-bit 48 MHz
445 -* Flash: 256KB
446 -* RAM: 64KB
447 -* Input Power Range: 5v
448 -* Frequency Range: 150 MHz ~~ 960 MHz
449 -* Maximum Power +22 dBm constant RF output
450 -* High sensitivity: -148 dBm
451 -* Temperature:
452 -** Storage: -55 ~~ +125℃
453 -** Operating: -40 ~~ +85℃
454 -* Humidity:
455 -** Storage: 5 ~~ 95% (Non-Condensing)
456 -** Operating: 10 ~~ 95% (Non-Condensing)
457 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
458 -* LoRa Rx current: <9 mA
459 -
460 -
461 -
462 -== 3.4  Pin Mapping & LED ==
463 -
464 -
465 -
466 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
467 -
468 -
469 -(((
470 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
471 -)))
472 -
473 -
474 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
475 -
476 -
477 -[[image:image-20220723100027-1.png]]
478 -
479 -
480 -Open the serial port tool
481 -
482 -[[image:image-20220602161617-8.png]]
483 -
484 -[[image:image-20220602161718-9.png||height="457" width="800"]]
485 -
486 -
487 -
488 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
489 -
490 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
491 -
492 -
493 -[[image:image-20220602161935-10.png||height="498" width="800"]]
494 -
495 -
496 -
497 -(% style="color:blue" %)**3. See Uplink Command**
498 -
499 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
500 -
501 -example: AT+SENDB=01,02,8,05820802581ea0a5
502 -
503 -[[image:image-20220602162157-11.png||height="497" width="800"]]
504 -
505 -
506 -
507 -(% style="color:blue" %)**4. Check to see if TTN received the message**
508 -
509 -[[image:image-20220602162331-12.png||height="420" width="800"]]
510 -
511 -
512 -
513 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
514 -
515 -
516 -**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]]
517 -
518 -(**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]])
519 -
520 -(% style="color:red" %)**Preconditions:**
521 -
522 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
523 -
524 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
525 -
526 -
527 -
528 -(% style="color:blue" %)**Steps for usage:**
529 -
530 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
531 -
532 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
533 -
534 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
535 -
536 -
537 -
538 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
539 -
540 -
541 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
542 -
543 -
544 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
545 -
546 -[[image:image-20220723100439-2.png]]
547 -
548 -
549 -
550 -(% style="color:blue" %)**2. Install Minicom in RPi.**
551 -
552 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
553 -
554 - (% style="background-color:yellow" %)**apt update**
555 -
556 - (% style="background-color:yellow" %)**apt install minicom**
557 -
558 -
559 -Use minicom to connect to the RPI's terminal
560 -
561 -[[image:image-20220602153146-3.png||height="439" width="500"]]
562 -
563 -
564 -
565 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
566 -
567 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
568 -
569 -
570 -[[image:image-20220602154928-5.png||height="436" width="500"]]
571 -
572 -
573 -
574 -(% style="color:blue" %)**4. Send Uplink message**
575 -
576 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
577 -
578 -example: AT+SENDB=01,02,8,05820802581ea0a5
579 -
580 -
581 -[[image:image-20220602160339-6.png||height="517" width="600"]]
582 -
583 -
584 -
585 -Check to see if TTN received the message
586 -
587 -[[image:image-20220602160627-7.png||height="369" width="800"]]
588 -
589 -
590 -
591 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
592 -
593 -
594 -=== 3.8.1 DRAGINO-LA66-APP ===
595 -
596 -
597 -[[image:image-20220723102027-3.png]]
598 -
599 -
600 -
601 -==== (% style="color:blue" %)**Overview:**(%%) ====
602 -
603 -
604 -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.
605 -
606 -View the communication signal strength between the node and the gateway through the RSSI value(DRAGINO-LA66-APP currently only supports Android system)
607 -
608 -
609 -
610 -==== (% style="color:blue" %)**Conditions of Use:**(%%) ====
611 -
612 -
613 -Requires a type-c to USB adapter
614 -
615 -[[image:image-20220723104754-4.png]]
616 -
617 -
618 -
619 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
620 -
621 -
622 -Function and page introduction
623 -
624 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
625 -
626 -1.Display LA66 USB LoRaWAN Module connection status
627 -
628 -2.Check and reconnect
629 -
630 -3.Turn send timestamps on or off
631 -
632 -4.Display LoRaWan connection status
633 -
634 -5.Check LoRaWan connection status
635 -
636 -6.The RSSI value of the node when the ACK is received
637 -
638 -7.Node's Signal Strength Icon
639 -
640 -8.Set the packet sending interval of the node in seconds
641 -
642 -9.AT command input box
643 -
644 -10.Send AT command button
645 -
646 -11.Node log box
647 -
648 -12.clear log button
649 -
650 -13.exit button
651 -
652 -
653 -LA66 USB LoRaWAN Module not connected
654 -
655 -[[image:image-20220723110520-5.png||height="903" width="677"]]
656 -
657 -
658 -
659 -Connect LA66 USB LoRaWAN Module
660 -
661 -[[image:image-20220723110626-6.png||height="906" width="680"]]
662 -
663 -
664 -
665 -=== 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 ===
666 -
667 -
668 -**1.  Register LA66 USB LoRaWAN Module to TTNV3**
669 -
670 -[[image:image-20220723134549-8.png]]
671 -
672 -
673 -
674 -**2.  Open Node-RED,And import the JSON file to generate the flow**
675 -
676 -Sample JSON file please go to this link to download:放置JSON文件的链接
677 -
678 -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/]]
679 -
680 -The following is the positioning effect map
681 -
682 -[[image:image-20220723144339-1.png]]
683 -
684 -
685 -
686 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
687 -
688 -
689 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
690 -
691 -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)
692 -
693 -[[image:image-20220723150132-2.png]]
694 -
695 -
696 -
697 -= 4.  Order Info =
698 -
699 -
700 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
701 -
702 -
703 703  (% style="color:blue" %)**XXX**(%%): The default frequency band
704 704  
705 705  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -712,8 +712,4 @@
712 712  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
713 713  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
714 714  
715 -
716 -= 5.  Reference =
717 -
718 -
719 -* 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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