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Last modified by Xiaoling on 2023/09/19 09:20
From version 149.3
edited by Xiaoling
on 2023/05/26 14:28
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To version 137.2
edited by Xiaoling
on 2022/07/29 08:57
Change comment: There is no comment for this version

Summary

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Title
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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
Content
... ... @@ -8,6 +8,7 @@
8 8  
9 9  = 1.  LA66 LoRaWAN Module =
10 10  
11 +
11 11  == 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 13  
... ... @@ -48,10 +48,10 @@
48 48  )))
49 49  
50 50  
52 +
51 51  == 1.2  Features ==
52 52  
53 -
54 -* Support LoRaWAN v1.0.3 protocol
55 +* Support LoRaWAN v1.0.4 protocol
55 55  * Support peer-to-peer protocol
56 56  * TCXO crystal to ensure RF performance on low temperature
57 57  * SMD Antenna pad and i-pex antenna connector
... ... @@ -62,10 +62,8 @@
62 62  * Ultra-long RF range
63 63  
64 64  
65 -
66 66  == 1.3  Specification ==
67 67  
68 -
69 69  * CPU: 32-bit 48 MHz
70 70  * Flash: 256KB
71 71  * RAM: 64KB
... ... @@ -85,105 +85,652 @@
85 85  * I/O Voltage: 3.3v
86 86  
87 87  
88 -
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]].
90 +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  
93 +
95 95  == 1.5  Dimension ==
96 96  
97 -
98 98  [[image:image-20220718094750-3.png]]
99 99  
100 100  
99 +
101 101  == 1.6  Pin Mapping ==
102 102  
103 103  [[image:image-20220720111850-1.png]]
104 104  
105 105  
105 +
106 106  == 1.7  Land Pattern ==
107 107  
108 -
109 109  [[image:image-20220517072821-2.png]]
110 110  
111 111  
112 -= 2.  FAQ =
113 113  
114 -== 2.1  Where to find examples of how to use LA66? ==
112 += 2.  LA66 LoRaWAN Shield =
115 115  
116 116  
117 -(% class="wikigeneratedid" %)
118 -Below products are made by LA66. User can use their examples as reference:
115 +== 2.1  Overview ==
119 119  
120 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
121 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
122 122  
118 +(((
119 +[[image:image-20220715000826-2.png||height="145" width="220"]]
120 +)))
123 123  
122 +(((
123 +
124 +)))
124 124  
125 -== 2.2  How to Compile Source Code for LA66? ==
126 +(((
127 +(% 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.
128 +)))
126 126  
130 +(((
131 +(((
132 +(% 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.
133 +)))
134 +)))
127 127  
128 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
136 +(((
137 +(((
138 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
139 +)))
140 +)))
129 129  
142 +(((
143 +(((
144 +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.
145 +)))
146 +)))
130 130  
131 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
148 +(((
149 +(((
150 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
151 +)))
152 +)))
132 132  
133 133  
134 -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.
135 135  
156 +== 2.2  Features ==
136 136  
137 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
158 +* Arduino Shield base on LA66 LoRaWAN module
159 +* Support LoRaWAN v1.0.4 protocol
160 +* Support peer-to-peer protocol
161 +* TCXO crystal to ensure RF performance on low temperature
162 +* SMA connector
163 +* Available in different frequency LoRaWAN frequency bands.
164 +* World-wide unique OTAA keys.
165 +* AT Command via UART-TTL interface
166 +* Firmware upgradable via UART interface
167 +* Ultra-long RF range
138 138  
139 139  
140 -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]]
170 +== 2.3  Specification ==
141 141  
172 +* CPU: 32-bit 48 MHz
173 +* Flash: 256KB
174 +* RAM: 64KB
175 +* Input Power Range: 1.8v ~~ 3.7v
176 +* Power Consumption: < 4uA.
177 +* Frequency Range: 150 MHz ~~ 960 MHz
178 +* Maximum Power +22 dBm constant RF output
179 +* High sensitivity: -148 dBm
180 +* Temperature:
181 +** Storage: -55 ~~ +125℃
182 +** Operating: -40 ~~ +85℃
183 +* Humidity:
184 +** Storage: 5 ~~ 95% (Non-Condensing)
185 +** Operating: 10 ~~ 95% (Non-Condensing)
186 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
187 +* LoRa Rx current: <9 mA
188 +* I/O Voltage: 3.3v
142 142  
143 -= 3.  Order Info =
144 144  
191 +== 2.4  LED ==
145 145  
146 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
147 147  
148 -(% style="color:blue" %)**XXX**(%%): The default frequency band
194 +~1. The LED lights up red when there is an upstream data packet
195 +2. When the network is successfully connected, the green light will be on for 5 seconds
196 +3. Purple light on when receiving downlink data packets
149 149  
150 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
151 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
152 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
153 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
154 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
155 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
156 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
157 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
158 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
159 159  
160 160  
200 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
161 161  
162 -= 4.  FCC Statement =
163 163  
203 +**Show connection diagram：**
164 164  
165 -(% style="color:red" %)**FCC Caution:**
166 166  
167 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
206 +[[image:image-20220723170210-2.png||height="908" width="681"]]
168 168  
169 -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.
170 170  
171 171  
172 -(% style="color:red" %)**IMPORTANT NOTE: **
210 +(% style="color:blue" %)**1.  open Arduino IDE**
173 173  
174 -(% 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:
175 175  
176 -—Reorient or relocate the receiving antenna.
213 +[[image:image-20220723170545-4.png]]
177 177  
178 -—Increase the separation between the equipment and receiver.
179 179  
180 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
181 181  
182 -—Consult the dealer or an experienced radio/TV technician for help.
217 +(% style="color:blue" %)**2.  Open project**
183 183  
184 184  
185 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
220 +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]]
186 186  
187 -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.
222 +[[image:image-20220726135239-1.png]]
188 188  
189 -
224 +
225 +(% 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**
226 +
227 +[[image:image-20220726135356-2.png]]
228 +
229 +
230 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
231 +
232 +
233 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
234 +
235 +
236 +
237 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
238 +
239 +
240 +(% style="color:blue" %)**1.  Open project**
241 +
242 +
243 +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]]
244 +
245 +
246 +[[image:image-20220723172502-8.png]]
247 +
248 +
249 +
250 +(% 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**
251 +
252 +
253 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
254 +
255 +
256 +
257 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
258 +
259 +
260 +(% style="color:blue" %)**1.  Open project**
261 +
262 +
263 +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]]
264 +
265 +
266 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
267 +
268 +
269 +
270 +(% 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**
271 +
272 +
273 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
274 +
275 +
276 +
277 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
278 +
279 +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/]]
280 +
281 +[[image:image-20220723175700-12.png||height="602" width="995"]]
282 +
283 +
284 +
285 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
286 +
287 +
288 +=== 2.8.1  Items needed for update ===
289 +
290 +
291 +1. LA66 LoRaWAN Shield
292 +1. Arduino
293 +1. USB TO TTL Adapter
294 +
295 +[[image:image-20220602100052-2.png||height="385" width="600"]]
296 +
297 +
298 +=== 2.8.2  Connection ===
299 +
300 +
301 +[[image:image-20220602101311-3.png||height="276" width="600"]]
302 +
303 +
304 +(((
305 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
306 +)))
307 +
308 +(((
309 +(% style="background-color:yellow" %)**GND  <-> GND
310 +TXD  <->  TXD
311 +RXD  <->  RXD**
312 +)))
313 +
314 +
315 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
316 +
317 +Connect USB TTL Adapter to PC after connecting the wires
318 +
319 +
320 +[[image:image-20220602102240-4.png||height="304" width="600"]]
321 +
322 +
323 +=== 2.8.3  Upgrade steps ===
324 +
325 +
326 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
327 +
328 +
329 +[[image:image-20220602102824-5.png||height="306" width="600"]]
330 +
331 +
332 +
333 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
334 +
335 +
336 +[[image:image-20220602104701-12.png||height="285" width="600"]]
337 +
338 +
339 +
340 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
341 +
342 +
343 +(((
344 +(% 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/]]**
345 +)))
346 +
347 +
348 +[[image:image-20220602103227-6.png]]
349 +
350 +
351 +[[image:image-20220602103357-7.png]]
352 +
353 +
354 +
355 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
356 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
357 +
358 +
359 +[[image:image-20220602103844-8.png]]
360 +
361 +
362 +
363 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
364 +(% style="color:blue" %)**3. Select the bin file to burn**
365 +
366 +
367 +[[image:image-20220602104144-9.png]]
368 +
369 +
370 +[[image:image-20220602104251-10.png]]
371 +
372 +
373 +[[image:image-20220602104402-11.png]]
374 +
375 +
376 +
377 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
378 +(% style="color:blue" %)**4. Click to start the download**
379 +
380 +[[image:image-20220602104923-13.png]]
381 +
382 +
383 +
384 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
385 +(% style="color:blue" %)**5. Check update process**
386 +
387 +
388 +[[image:image-20220602104948-14.png]]
389 +
390 +
391 +
392 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
393 +(% style="color:blue" %)**The following picture shows that the burning is successful**
394 +
395 +[[image:image-20220602105251-15.png]]
396 +
397 +
398 +
399 += 3.  LA66 USB LoRaWAN Adapter =
400 +
401 +
402 +== 3.1  Overview ==
403 +
404 +
405 +[[image:image-20220715001142-3.png||height="145" width="220"]]
406 +
407 +
408 +(((
409 +(% 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.
410 +)))
411 +
412 +(((
413 +(% 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.
414 +)))
415 +
416 +(((
417 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
418 +)))
419 +
420 +(((
421 +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.
422 +)))
423 +
424 +(((
425 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
426 +)))
427 +
428 +
429 +
430 +== 3.2  Features ==
431 +
432 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
433 +* Ultra-long RF range
434 +* Support LoRaWAN v1.0.4 protocol
435 +* Support peer-to-peer protocol
436 +* TCXO crystal to ensure RF performance on low temperature
437 +* Spring RF antenna
438 +* Available in different frequency LoRaWAN frequency bands.
439 +* World-wide unique OTAA keys.
440 +* AT Command via UART-TTL interface
441 +* Firmware upgradable via UART interface
442 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
443 +
444 +== 3.3  Specification ==
445 +
446 +* CPU: 32-bit 48 MHz
447 +* Flash: 256KB
448 +* RAM: 64KB
449 +* Input Power Range: 5v
450 +* Frequency Range: 150 MHz ~~ 960 MHz
451 +* Maximum Power +22 dBm constant RF output
452 +* High sensitivity: -148 dBm
453 +* Temperature:
454 +** Storage: -55 ~~ +125℃
455 +** Operating: -40 ~~ +85℃
456 +* Humidity:
457 +** Storage: 5 ~~ 95% (Non-Condensing)
458 +** Operating: 10 ~~ 95% (Non-Condensing)
459 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
460 +* LoRa Rx current: <9 mA
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.  FAQ =
703 +
704 +
705 +== 4.1  How to Compile Source Code for LA66? ==
706 +
707 +
708 +Compile and Upload Code to ASR6601 Platform ：
709 +
710 +
711 +
712 += 5.  Order Info =
713 +
714 +
715 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
716 +
717 +
718 +(% style="color:blue" %)**XXX**(%%): The default frequency band
719 +
720 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
721 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
722 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
723 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
724 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
725 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
726 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
727 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
728 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
729 +
730 +
731 +
732 += 6.  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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