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Last modified by Xiaoling on 2023/09/19 09:20
From version 149.1
edited by Edwin Chen
on 2022/10/21 11:04
Change comment: There is no comment for this version
To version 136.1
edited by Herong Lu
on 2022/07/26 13:53
Change comment: Uploaded new attachment "image-20220726135356-2.png", version {1}

Summary

Details

Page properties
Title
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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Lu
Content
... ... @@ -52,8 +52,7 @@
52 52  
53 53  == 1.2  Features ==
54 54  
55 -
56 -* Support LoRaWAN v1.0.3 protocol
55 +* Support LoRaWAN v1.0.4 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 +64,10 @@
64 64  * Ultra-long RF range
65 65  
66 66  
67 -== 1.3  Specification ==
68 68  
69 69  
68 +== 1.3  Specification ==
69 +
70 70  * CPU: 32-bit 48 MHz
71 71  * Flash: 256KB
72 72  * RAM: 64KB
... ... @@ -86,16 +86,17 @@
86 86  * I/O Voltage: 3.3v
87 87  
88 88  
89 +
90 +
89 89  == 1.4  AT Command ==
90 90  
91 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>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
94 +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 93  
94 94  
95 95  
96 96  == 1.5  Dimension ==
97 97  
98 -
99 99  [[image:image-20220718094750-3.png]]
100 100  
101 101  
... ... @@ -108,89 +108,627 @@
108 108  
109 109  == 1.7  Land Pattern ==
110 110  
111 -
112 112  [[image:image-20220517072821-2.png]]
113 113  
114 114  
115 115  
116 -= 2.  FAQ =
116 += 2.  LA66 LoRaWAN Shield =
117 117  
118 118  
119 -(% class="wikigeneratedid" %)
120 -== 2.1 Where to find examples of how to use LA66? ==
119 +== 2.1  Overview ==
121 121  
122 -(% class="wikigeneratedid" %)
123 -Below products are made by LA66. User can use their examples as reference:
124 124  
125 -* LA66 Shield for Arduino
126 -* LA66 USB Adapter
122 +(((
123 +[[image:image-20220715000826-2.png||height="145" width="220"]]
124 +)))
127 127  
126 +(((
127 +
128 +)))
128 128  
130 +(((
131 +(% 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.
132 +)))
129 129  
130 -== 2.2  How to Compile Source Code for LA66? ==
134 +(((
135 +(((
136 +(% 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.
137 +)))
138 +)))
131 131  
140 +(((
141 +(((
142 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
143 +)))
144 +)))
132 132  
133 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
146 +(((
147 +(((
148 +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.
149 +)))
150 +)))
134 134  
152 +(((
153 +(((
154 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
155 +)))
156 +)))
135 135  
136 136  
137 -== 2.3 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
138 138  
160 +== 2.2  Features ==
139 139  
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.
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
141 141  
142 142  
143 143  
144 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
145 145  
176 +== 2.3  Specification ==
146 146  
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]]
178 +* CPU: 32-bit 48 MHz
179 +* Flash: 256KB
180 +* RAM: 64KB
181 +* Input Power Range: 1.8v ~~ 3.7v
182 +* Power Consumption: < 4uA.
183 +* Frequency Range: 150 MHz ~~ 960 MHz
184 +* Maximum Power +22 dBm constant RF output
185 +* High sensitivity: -148 dBm
186 +* Temperature:
187 +** Storage: -55 ~~ +125℃
188 +** Operating: -40 ~~ +85℃
189 +* Humidity:
190 +** Storage: 5 ~~ 95% (Non-Condensing)
191 +** Operating: 10 ~~ 95% (Non-Condensing)
192 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
193 +* LoRa Rx current: <9 mA
194 +* I/O Voltage: 3.3v
148 148  
149 149  
150 150  
151 -= 3.  Order Info =
152 152  
199 +== 2.4  LED ==
153 153  
154 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
155 155  
202 +~1. The LED lights up red when there is an upstream data packet
203 +2. When the network is successfully connected, the green light will be on for 5 seconds
204 +3. Purple light on when receiving downlink data packets
156 156  
157 -(% style="color:blue" %)**XXX**(%%): The default frequency band
158 158  
159 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
160 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
161 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
162 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
163 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
164 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
165 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
166 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
167 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
168 168  
208 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
169 169  
170 170  
171 -= 4.  FCC Statement =
211 +**Show connection diagram：**
172 172  
173 173  
174 -(% style="color:red" %)**FCC Caution:**
214 +[[image:image-20220723170210-2.png||height="908" width="681"]]
175 175  
176 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
177 177  
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.
179 179  
218 +(% style="color:blue" %)**1.  open Arduino IDE**
180 180  
181 -(% style="color:red" %)**IMPORTANT NOTE: **
182 182  
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:
221 +[[image:image-20220723170545-4.png]]
184 184  
185 -—Reorient or relocate the receiving antenna.
186 186  
187 -—Increase the separation between the equipment and receiver.
188 188  
189 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
225 +(% style="color:blue" %)**2.  Open project**
190 190  
191 -—Consult the dealer or an experienced radio/TV technician for help.
192 192  
228 +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]]
193 193  
194 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
195 195  
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.
231 +
232 +(% 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**
233 +
234 +
235 +
236 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
237 +
238 +
239 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
240 +
241 +
242 +
243 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
244 +
245 +
246 +(% style="color:blue" %)**1.  Open project**
247 +
248 +
249 +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]]
250 +
251 +
252 +[[image:image-20220723172502-8.png]]
253 +
254 +
255 +
256 +(% 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**
257 +
258 +
259 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
260 +
261 +
262 +
263 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
264 +
265 +
266 +(% style="color:blue" %)**1.  Open project**
267 +
268 +
269 +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]]
270 +
271 +
272 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
273 +
274 +
275 +
276 +(% 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**
277 +
278 +
279 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
280 +
281 +
282 +
283 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
284 +
285 +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/]]
286 +
287 +[[image:image-20220723175700-12.png||height="602" width="995"]]
288 +
289 +
290 +
291 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
292 +
293 +
294 +=== 2.8.1  Items needed for update ===
295 +
296 +
297 +1. LA66 LoRaWAN Shield
298 +1. Arduino
299 +1. USB TO TTL Adapter
300 +
301 +[[image:image-20220602100052-2.png||height="385" width="600"]]
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 +=== 2.8.3  Upgrade steps ===
330 +
331 +
332 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
333 +
334 +
335 +[[image:image-20220602102824-5.png||height="306" width="600"]]
336 +
337 +
338 +
339 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
340 +
341 +
342 +[[image:image-20220602104701-12.png||height="285" width="600"]]
343 +
344 +
345 +
346 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
347 +
348 +
349 +(((
350 +(% 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/]]**
351 +)))
352 +
353 +
354 +[[image:image-20220602103227-6.png]]
355 +
356 +
357 +[[image:image-20220602103357-7.png]]
358 +
359 +
360 +
361 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
362 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
363 +
364 +
365 +[[image:image-20220602103844-8.png]]
366 +
367 +
368 +
369 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
370 +(% style="color:blue" %)**3. Select the bin file to burn**
371 +
372 +
373 +[[image:image-20220602104144-9.png]]
374 +
375 +
376 +[[image:image-20220602104251-10.png]]
377 +
378 +
379 +[[image:image-20220602104402-11.png]]
380 +
381 +
382 +
383 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
384 +(% style="color:blue" %)**4. Click to start the download**
385 +
386 +[[image:image-20220602104923-13.png]]
387 +
388 +
389 +
390 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
391 +(% style="color:blue" %)**5. Check update process**
392 +
393 +
394 +[[image:image-20220602104948-14.png]]
395 +
396 +
397 +
398 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
399 +(% style="color:blue" %)**The following picture shows that the burning is successful**
400 +
401 +[[image:image-20220602105251-15.png]]
402 +
403 +
404 +
405 += 3.  LA66 USB LoRaWAN Adapter =
406 +
407 +
408 +== 3.1  Overview ==
409 +
410 +
411 +[[image:image-20220715001142-3.png||height="145" width="220"]]
412 +
413 +
414 +(((
415 +(% 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.
416 +)))
417 +
418 +(((
419 +(% 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.
420 +)))
421 +
422 +(((
423 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
424 +)))
425 +
426 +(((
427 +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.
428 +)))
429 +
430 +(((
431 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
432 +)))
433 +
434 +
435 +
436 +== 3.2  Features ==
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 +
451 +== 3.3  Specification ==
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 +
470 +== 3.4  Pin Mapping & LED ==
471 +
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 APP sample process and DRAGINO-LA66-APP. ==
600 +
601 +
602 +=== 3.8.1  DRAGINO-LA66-APP ===
603 +
604 +
605 +[[image:image-20220723102027-3.png]]
606 +
607 +
608 +
609 +==== (% style="color:blue" %)**Overview：**(%%) ====
610 +
611 +
612 +(((
613 +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.
614 +)))
615 +
616 +(((
617 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
618 +)))
619 +
620 +
621 +
622 +==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
623 +
624 +
625 +Requires a type-c to USB adapter
626 +
627 +[[image:image-20220723104754-4.png]]
628 +
629 +
630 +
631 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
632 +
633 +
634 +Function and page introduction
635 +
636 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
637 +
638 +
639 +1.Display LA66 USB LoRaWAN Module connection status
640 +
641 +2.Check and reconnect
642 +
643 +3.Turn send timestamps on or off
644 +
645 +4.Display LoRaWan connection status
646 +
647 +5.Check LoRaWan connection status
648 +
649 +6.The RSSI value of the node when the ACK is received
650 +
651 +7.Node's Signal Strength Icon
652 +
653 +8.Set the packet sending interval of the node in seconds
654 +
655 +9.AT command input box
656 +
657 +10.Send AT command button
658 +
659 +11.Node log box
660 +
661 +12.clear log button
662 +
663 +13.exit button
664 +
665 +
666 +LA66 USB LoRaWAN Module not connected
667 +
668 +[[image:image-20220723110520-5.png||height="903" width="677"]]
669 +
670 +
671 +
672 +Connect LA66 USB LoRaWAN Module
673 +
674 +[[image:image-20220723110626-6.png||height="906" width="680"]]
675 +
676 +
677 +
678 +=== 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 ===
679 +
680 +
681 +(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
682 +
683 +[[image:image-20220723134549-8.png]]
684 +
685 +
686 +
687 +(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
688 +
689 +Sample JSON file please go to this link to download：放置JSON文件的链接
690 +
691 +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/]]
692 +
693 +The following is the positioning effect map
694 +
695 +[[image:image-20220723144339-1.png]]
696 +
697 +
698 +
699 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
700 +
701 +
702 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
703 +
704 +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)
705 +
706 +[[image:image-20220723150132-2.png]]
707 +
708 +
709 +
710 += 4.  Order Info =
711 +
712 +
713 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
714 +
715 +
716 +(% style="color:blue" %)**XXX**(%%): The default frequency band
717 +
718 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
719 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
720 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
721 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
722 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
723 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
724 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
725 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
726 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
727 +
728 +
729 +
730 +
731 +
732 += 5.  Reference =
733 +
734 +
735 +* 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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