Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 134.10 >
edited by Xiaoling
on 2022/07/26 10:47
To version < 149.2 >
edited by Xiaoling
on 2022/10/21 11:10
>
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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
... ... @@ -62,8 +62,11 @@
62 62  * Firmware upgradable via UART interface
63 63  * Ultra-long RF range
64 64  
66 +
67 +
65 65  == 1.3  Specification ==
66 66  
70 +
67 67  * CPU: 32-bit 48 MHz
68 68  * Flash: 256KB
69 69  * RAM: 64KB
... ... @@ -82,15 +82,18 @@
82 82  * LoRa Rx current: <9 mA
83 83  * I/O Voltage: 3.3v
84 84  
89 +
90 +
85 85  == 1.4  AT Command ==
86 86  
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.
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>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
89 89  
90 90  
91 91  
92 92  == 1.5  Dimension ==
93 93  
100 +
94 94  [[image:image-20220718094750-3.png]]
95 95  
96 96  
... ... @@ -103,623 +103,89 @@
103 103  
104 104  == 1.7  Land Pattern ==
105 105  
113 +
106 106  [[image:image-20220517072821-2.png]]
107 107  
108 108  
109 109  
110 -= 2.  LA66 LoRaWAN Shield =
118 += 2.  FAQ =
111 111  
112 112  
113 -== 2.1  Overview ==
121 +== 2.1  Where to find examples of how to use LA66? ==
114 114  
115 115  
116 -(((
117 -[[image:image-20220715000826-2.png||height="145" width="220"]]
118 -)))
124 +(% class="wikigeneratedid" %)
125 +Below products are made by LA66. User can use their examples as reference:
119 119  
120 -(((
121 -
122 -)))
127 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
128 +* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
123 123  
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 -)))
127 127  
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 -)))
133 133  
134 -(((
135 -(((
136 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 -)))
138 -)))
132 +== 2.2  How to Compile Source Code for LA66? ==
139 139  
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 -)))
145 145  
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 -)))
135 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
151 151  
152 152  
153 153  
154 -== 2.2  Features ==
139 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
155 155  
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
166 166  
167 -== 2.3  Specification ==
142 +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.
168 168  
169 -* CPU: 32-bit 48 MHz
170 -* Flash: 256KB
171 -* RAM: 64KB
172 -* Input Power Range: 1.8v ~~ 3.7v
173 -* Power Consumption: < 4uA.
174 -* Frequency Range: 150 MHz ~~ 960 MHz
175 -* Maximum Power +22 dBm constant RF output
176 -* High sensitivity: -148 dBm
177 -* Temperature:
178 -** Storage: -55 ~~ +125℃
179 -** Operating: -40 ~~ +85℃
180 -* Humidity:
181 -** Storage: 5 ~~ 95% (Non-Condensing)
182 -** Operating: 10 ~~ 95% (Non-Condensing)
183 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
184 -* LoRa Rx current: <9 mA
185 -* I/O Voltage: 3.3v
186 186  
187 -== 2.4  LED ==
188 188  
146 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
189 189  
190 -~1. The LED lights up red when there is an upstream data packet
191 -2. When the network is successfully connected, the green light will be on for 5 seconds
192 -3. Purple light on when receiving downlink data packets
193 193  
149 +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]]
194 194  
195 195  
196 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
197 197  
153 += 3.  Order Info =
198 198  
199 -**Show connection diagram：**
200 200  
156 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
201 201  
202 -[[image:image-20220723170210-2.png||height="908" width="681"]]
203 203  
159 +(% style="color:blue" %)**XXX**(%%): The default frequency band
204 204  
161 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
162 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
163 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
164 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
165 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
166 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
167 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
168 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
169 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
205 205  
206 -(% style="color:blue" %)**1.  open Arduino IDE**
207 207  
208 208  
209 -[[image:image-20220723170545-4.png]]
173 += 4.  FCC Statement =
210 210  
211 211  
176 +(% style="color:red" %)**FCC Caution:**
212 212  
213 -(% style="color:blue" %)**2.  Open project**
178 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
214 214  
180 +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.
215 215  
216 -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]]
217 217  
183 +(% style="color:red" %)**IMPORTANT NOTE: **
218 218  
185 +(% 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:
219 219  
220 -(% 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**
187 +—Reorient or relocate the receiving antenna.
221 221  
189 +—Increase the separation between the equipment and receiver.
222 222  
191 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
223 223  
224 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
193 +—Consult the dealer or an experienced radio/TV technician for help.
225 225  
226 226  
227 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
196 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
228 228  
229 -
230 -
231 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
232 -
233 -
234 -(% style="color:blue" %)**1.  Open project**
235 -
236 -
237 -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]]
238 -
239 -
240 -[[image:image-20220723172502-8.png]]
241 -
242 -
243 -
244 -(% 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**
245 -
246 -
247 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
248 -
249 -
250 -
251 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
252 -
253 -
254 -(% style="color:blue" %)**1.  Open project**
255 -
256 -
257 -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]]
258 -
259 -
260 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
261 -
262 -
263 -
264 -(% 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**
265 -
266 -
267 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
268 -
269 -
270 -
271 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
272 -
273 -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/]]
274 -
275 -[[image:image-20220723175700-12.png||height="602" width="995"]]
276 -
277 -
278 -
279 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
280 -
281 -
282 -=== 2.8.1  Items needed for update ===
283 -
284 -
285 -1. LA66 LoRaWAN Shield
286 -1. Arduino
287 -1. USB TO TTL Adapter
288 -
289 -[[image:image-20220602100052-2.png||height="385" width="600"]]
290 -
291 -
292 -=== 2.8.2  Connection ===
293 -
294 -
295 -[[image:image-20220602101311-3.png||height="276" width="600"]]
296 -
297 -
298 -(((
299 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
300 -)))
301 -
302 -(((
303 -(% style="background-color:yellow" %)**GND  <-> GND
304 -TXD  <->  TXD
305 -RXD  <->  RXD**
306 -)))
307 -
308 -
309 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
310 -
311 -Connect USB TTL Adapter to PC after connecting the wires
312 -
313 -
314 -[[image:image-20220602102240-4.png||height="304" width="600"]]
315 -
316 -
317 -=== 2.8.3  Upgrade steps ===
318 -
319 -
320 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
321 -
322 -
323 -[[image:image-20220602102824-5.png||height="306" width="600"]]
324 -
325 -
326 -
327 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
328 -
329 -
330 -[[image:image-20220602104701-12.png||height="285" width="600"]]
331 -
332 -
333 -
334 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
335 -
336 -
337 -(((
338 -(% 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/]]**
339 -)))
340 -
341 -
342 -[[image:image-20220602103227-6.png]]
343 -
344 -
345 -[[image:image-20220602103357-7.png]]
346 -
347 -
348 -
349 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
350 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
351 -
352 -
353 -[[image:image-20220602103844-8.png]]
354 -
355 -
356 -
357 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
358 -(% style="color:blue" %)**3. Select the bin file to burn**
359 -
360 -
361 -[[image:image-20220602104144-9.png]]
362 -
363 -
364 -[[image:image-20220602104251-10.png]]
365 -
366 -
367 -[[image:image-20220602104402-11.png]]
368 -
369 -
370 -
371 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
372 -(% style="color:blue" %)**4. Click to start the download**
373 -
374 -[[image:image-20220602104923-13.png]]
375 -
376 -
377 -
378 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
379 -(% style="color:blue" %)**5. Check update process**
380 -
381 -
382 -[[image:image-20220602104948-14.png]]
383 -
384 -
385 -
386 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
387 -(% style="color:blue" %)**The following picture shows that the burning is successful**
388 -
389 -[[image:image-20220602105251-15.png]]
390 -
391 -
392 -
393 -= 3.  LA66 USB LoRaWAN Adapter =
394 -
395 -
396 -== 3.1  Overview ==
397 -
398 -
399 -[[image:image-20220715001142-3.png||height="145" width="220"]]
400 -
401 -
402 -(((
403 -(% 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.
404 -)))
405 -
406 -(((
407 -(% 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.
408 -)))
409 -
410 -(((
411 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
412 -)))
413 -
414 -(((
415 -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.
416 -)))
417 -
418 -(((
419 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
420 -)))
421 -
422 -
423 -
424 -== 3.2  Features ==
425 -
426 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
427 -* Ultra-long RF range
428 -* Support LoRaWAN v1.0.4 protocol
429 -* Support peer-to-peer protocol
430 -* TCXO crystal to ensure RF performance on low temperature
431 -* Spring RF antenna
432 -* Available in different frequency LoRaWAN frequency bands.
433 -* World-wide unique OTAA keys.
434 -* AT Command via UART-TTL interface
435 -* Firmware upgradable via UART interface
436 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
437 -
438 -
439 -
440 -
441 -== 3.3  Specification ==
442 -
443 -* CPU: 32-bit 48 MHz
444 -* Flash: 256KB
445 -* RAM: 64KB
446 -* Input Power Range: 5v
447 -* Frequency Range: 150 MHz ~~ 960 MHz
448 -* Maximum Power +22 dBm constant RF output
449 -* High sensitivity: -148 dBm
450 -* Temperature:
451 -** Storage: -55 ~~ +125℃
452 -** Operating: -40 ~~ +85℃
453 -* Humidity:
454 -** Storage: 5 ~~ 95% (Non-Condensing)
455 -** Operating: 10 ~~ 95% (Non-Condensing)
456 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
457 -* LoRa Rx current: <9 mA
458 -
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 -(((
605 -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.
606 -)))
607 -
608 -(((
609 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
610 -)))
611 -
612 -
613 -
614 -==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
615 -
616 -
617 -Requires a type-c to USB adapter
618 -
619 -[[image:image-20220723104754-4.png]]
620 -
621 -
622 -
623 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
624 -
625 -
626 -Function and page introduction
627 -
628 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
629 -
630 -
631 -1.Display LA66 USB LoRaWAN Module connection status
632 -
633 -2.Check and reconnect
634 -
635 -3.Turn send timestamps on or off
636 -
637 -4.Display LoRaWan connection status
638 -
639 -5.Check LoRaWan connection status
640 -
641 -6.The RSSI value of the node when the ACK is received
642 -
643 -7.Node's Signal Strength Icon
644 -
645 -8.Set the packet sending interval of the node in seconds
646 -
647 -9.AT command input box
648 -
649 -10.Send AT command button
650 -
651 -11.Node log box
652 -
653 -12.clear log button
654 -
655 -13.exit button
656 -
657 -
658 -LA66 USB LoRaWAN Module not connected
659 -
660 -[[image:image-20220723110520-5.png||height="903" width="677"]]
661 -
662 -
663 -
664 -Connect LA66 USB LoRaWAN Module
665 -
666 -[[image:image-20220723110626-6.png||height="906" width="680"]]
667 -
668 -
669 -
670 -=== 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 ===
671 -
672 -
673 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
674 -
675 -[[image:image-20220723134549-8.png]]
676 -
677 -
678 -
679 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
680 -
681 -Sample JSON file please go to this link to download：放置JSON文件的链接
682 -
683 -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/]]
684 -
685 -The following is the positioning effect map
686 -
687 -[[image:image-20220723144339-1.png]]
688 -
689 -
690 -
691 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
692 -
693 -
694 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
695 -
696 -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)
697 -
698 -[[image:image-20220723150132-2.png]]
699 -
700 -
701 -
702 -= 4.  Order Info =
703 -
704 -
705 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
706 -
707 -
708 -(% style="color:blue" %)**XXX**(%%): The default frequency band
709 -
710 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
711 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
712 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
713 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
714 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
715 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
716 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
717 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
718 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
719 -
720 -
721 -
722 -= 5.  Reference =
723 -
724 -
725 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
198 +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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