Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 137.6 >
edited by Xiaoling
on 2022/07/29 09:20
To version < 162.2 >
edited by Xiaoling
on 2023/06/05 15:32
>
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Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
Content
... ... @@ -8,7 +8,6 @@
8 8  
9 9  = 1.  LA66 LoRaWAN Module =
10 10  
11 -
12 12  == 1.1  What is LA66 LoRaWAN Module ==
13 13  
14 14  
... ... @@ -49,11 +49,10 @@
49 49  )))
50 50  
51 51  
52 -
53 53  == 1.2  Features ==
54 54  
55 55  
56 -* Support LoRaWAN v1.0.4 protocol
54 +* Support LoRaWAN v1.0.3 protocol
57 57  * Support peer-to-peer protocol
58 58  * TCXO crystal to ensure RF performance on low temperature
59 59  * SMD Antenna pad and i-pex antenna connector
... ... @@ -63,10 +63,6 @@
63 63  * Firmware upgradable via UART interface
64 64  * Ultra-long RF range
65 65  
66 -
67 -
68 -
69 -
70 70  == 1.3  Specification ==
71 71  
72 72  
... ... @@ -88,29 +88,23 @@
88 88  * LoRa Rx current: <9 mA
89 89  * I/O Voltage: 3.3v
90 90  
91 -
92 -
93 -
94 -
95 95  == 1.4  AT Command ==
96 96  
97 97  
98 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
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>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
99 99  
100 100  
101 -
102 102  == 1.5  Dimension ==
103 103  
93 +
104 104  [[image:image-20220718094750-3.png]]
105 105  
106 106  
107 -
108 108  == 1.6  Pin Mapping ==
109 109  
110 110  [[image:image-20220720111850-1.png]]
111 111  
112 112  
113 -
114 114  == 1.7  Land Pattern ==
115 115  
116 116  
... ... @@ -117,633 +117,112 @@
117 117  [[image:image-20220517072821-2.png]]
118 118  
119 119  
108 += 2.  FAQ =
120 120  
121 -= 2.  LA66 LoRaWAN Shield =
110 +== 2.1  Where to find examples of how to use LA66? ==
122 122  
123 123  
124 -== 2.1  Overview ==
113 +(% class="wikigeneratedid" %)
114 +Below products are made by LA66. User can use their examples as reference:
125 125  
116 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
117 +* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
126 126  
127 -(((
128 -[[image:image-20220715000826-2.png||height="145" width="220"]]
129 -)))
119 +== 2.2  How to Compile Source Code for LA66? ==
130 130  
131 -(((
132 -
133 -)))
134 134  
135 -(((
136 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
137 -)))
122 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
138 138  
139 -(((
140 -(((
141 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
142 -)))
143 -)))
144 144  
145 -(((
146 -(((
147 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
148 -)))
149 -)))
125 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
150 150  
151 -(((
152 -(((
153 -Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
154 -)))
155 -)))
156 156  
157 -(((
158 -(((
159 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
160 -)))
161 -)))
128 +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.
162 162  
163 163  
131 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
164 164  
165 -== 2.2  Features ==
166 166  
134 +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]]
167 167  
168 -* Arduino Shield base on LA66 LoRaWAN module
169 -* Support LoRaWAN v1.0.4 protocol
170 -* Support peer-to-peer protocol
171 -* TCXO crystal to ensure RF performance on low temperature
172 -* SMA connector
173 -* Available in different frequency LoRaWAN frequency bands.
174 -* World-wide unique OTAA keys.
175 -* AT Command via UART-TTL interface
176 -* Firmware upgradable via UART interface
177 -* Ultra-long RF range
178 178  
137 +== 2.5 How can i use J-LInk to debug LA66? ==
179 179  
180 180  
140 +(% style="color:#037691" %)**The steps are as follows:**
181 181  
182 182  
183 -== 2.3  Specification ==
143 +(% style="color:blue" %)**1. Install J-Link software from**
184 184  
145 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
185 185  
186 -* CPU: 32-bit 48 MHz
187 -* Flash: 256KB
188 -* RAM: 64KB
189 -* Input Power Range: 1.8v ~~ 3.7v
190 -* Power Consumption: < 4uA.
191 -* Frequency Range: 150 MHz ~~ 960 MHz
192 -* Maximum Power +22 dBm constant RF output
193 -* High sensitivity: -148 dBm
194 -* Temperature:
195 -** Storage: -55 ~~ +125℃
196 -** Operating: -40 ~~ +85℃
197 -* Humidity:
198 -** Storage: 5 ~~ 95% (Non-Condensing)
199 -** Operating: 10 ~~ 95% (Non-Condensing)
200 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
201 -* LoRa Rx current: <9 mA
202 -* I/O Voltage: 3.3v
203 203  
148 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
204 204  
205 205  
151 +[[image:image-20230605151850-1.png]]
206 206  
207 207  
208 -== 2.4  LED ==
154 +[[image:image-20230605151850-2.png]]
209 209  
210 210  
211 -~1. The LED lights up red when there is an upstream data packet
212 -2. When the network is successfully connected, the green light will be on for 5 seconds
213 -3. Purple light on when receiving downlink data packets
157 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
214 214  
159 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
215 215  
161 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
216 216  
217 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
163 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
218 218  
165 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
219 219  
220 -**Show connection diagram：**
167 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
221 221  
169 +(% style="display:none" %) (%%)
222 222  
223 -[[image:image-20220723170210-2.png||height="908" width="681"]]
171 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
224 224  
173 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
225 225  
226 226  
227 -(% style="color:blue" %)**1.  open Arduino IDE**
176 +(% style="color:blue" %)**Add ASR6601 256KB Flash to Flash Download**
228 228  
178 +[[image:image-20230605152412-12.png]]
229 229  
230 -[[image:image-20220723170545-4.png]]
231 231  
181 +[[image:image-20230605151851-6.png]]
232 232  
233 233  
234 -(% style="color:blue" %)**2.  Open project**
184 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
235 235  
186 +[[image:image-20230605151851-7.png]]
236 236  
237 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
188 +[[image:image-20230605151851-8.png]]
238 238  
239 -[[image:image-20220726135239-1.png]]
240 240  
191 +(% style="color:red" %)Note**: After debug, user should change the Flash address back to 0x0800D000, and upload the OTA bootloader to LA66. Otherwise, the compiled program doesn’t support OTA update.**
241 241  
242 -(% style="color:blue" %)**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
243 243  
244 -[[image:image-20220726135356-2.png]]
194 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
245 245  
246 246  
247 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
197 +[[image:image-20230605151851-9.png]]
248 248  
249 249  
250 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
200 +(% style="color:blue" %)**Click Debug mode to debug.**
251 251  
202 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
252 252  
253 253  
254 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
205 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
255 255  
207 +(% style="display:none" %) (%%)
256 256  
257 -(% style="color:blue" %)**1.  Open project**
209 += 3.  Order Info =
258 258  
259 259  
260 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
212 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
261 261  
262 -
263 -[[image:image-20220723172502-8.png]]
264 -
265 -
266 -
267 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
268 -
269 -
270 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
271 -
272 -
273 -
274 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
275 -
276 -
277 -(% style="color:blue" %)**1.  Open project**
278 -
279 -
280 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
281 -
282 -
283 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
284 -
285 -
286 -
287 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
288 -
289 -
290 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
291 -
292 -
293 -
294 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
295 -
296 -For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
297 -
298 -[[image:image-20220723175700-12.png||height="602" width="995"]]
299 -
300 -
301 -
302 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
303 -
304 -
305 -=== 2.8.1  Items needed for update ===
306 -
307 -
308 -1. LA66 LoRaWAN Shield
309 -1. Arduino
310 -1. USB TO TTL Adapter
311 -
312 -[[image:image-20220602100052-2.png||height="385" width="600"]]
313 -
314 -
315 -
316 -=== 2.8.2  Connection ===
317 -
318 -
319 -[[image:image-20220602101311-3.png||height="276" width="600"]]
320 -
321 -
322 -(((
323 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
324 -)))
325 -
326 -(((
327 -(% style="background-color:yellow" %)**GND  <-> GND
328 -TXD  <->  TXD
329 -RXD  <->  RXD**
330 -)))
331 -
332 -
333 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
334 -
335 -Connect USB TTL Adapter to PC after connecting the wires
336 -
337 -
338 -[[image:image-20220602102240-4.png||height="304" width="600"]]
339 -
340 -
341 -
342 -=== 2.8.3  Upgrade steps ===
343 -
344 -
345 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
346 -
347 -
348 -[[image:image-20220602102824-5.png||height="306" width="600"]]
349 -
350 -
351 -
352 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
353 -
354 -
355 -[[image:image-20220602104701-12.png||height="285" width="600"]]
356 -
357 -
358 -
359 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
360 -
361 -
362 -(((
363 -(% style="color:blue" %)**1. Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]**
364 -)))
365 -
366 -
367 -[[image:image-20220602103227-6.png]]
368 -
369 -
370 -[[image:image-20220602103357-7.png]]
371 -
372 -
373 -
374 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
375 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
376 -
377 -
378 -[[image:image-20220602103844-8.png]]
379 -
380 -
381 -
382 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
383 -(% style="color:blue" %)**3. Select the bin file to burn**
384 -
385 -
386 -[[image:image-20220602104144-9.png]]
387 -
388 -
389 -[[image:image-20220602104251-10.png]]
390 -
391 -
392 -[[image:image-20220602104402-11.png]]
393 -
394 -
395 -
396 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
397 -(% style="color:blue" %)**4. Click to start the download**
398 -
399 -[[image:image-20220602104923-13.png]]
400 -
401 -
402 -
403 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
404 -(% style="color:blue" %)**5. Check update process**
405 -
406 -
407 -[[image:image-20220602104948-14.png]]
408 -
409 -
410 -
411 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
412 -(% style="color:blue" %)**The following picture shows that the burning is successful**
413 -
414 -[[image:image-20220602105251-15.png]]
415 -
416 -
417 -
418 -= 3.  LA66 USB LoRaWAN Adapter =
419 -
420 -
421 -== 3.1  Overview ==
422 -
423 -
424 -[[image:image-20220715001142-3.png||height="145" width="220"]]
425 -
426 -
427 -(((
428 -(% style="color:blue" %)**LA66 USB LoRaWAN Adapter**(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
429 -)))
430 -
431 -(((
432 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
433 -)))
434 -
435 -(((
436 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
437 -)))
438 -
439 -(((
440 -Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
441 -)))
442 -
443 -(((
444 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
445 -)))
446 -
447 -
448 -
449 -== 3.2  Features ==
450 -
451 -
452 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
453 -* Ultra-long RF range
454 -* Support LoRaWAN v1.0.4 protocol
455 -* Support peer-to-peer protocol
456 -* TCXO crystal to ensure RF performance on low temperature
457 -* Spring RF antenna
458 -* Available in different frequency LoRaWAN frequency bands.
459 -* World-wide unique OTAA keys.
460 -* AT Command via UART-TTL interface
461 -* Firmware upgradable via UART interface
462 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
463 -
464 -
465 -
466 -
467 -
468 -== 3.3  Specification ==
469 -
470 -
471 -* CPU: 32-bit 48 MHz
472 -* Flash: 256KB
473 -* RAM: 64KB
474 -* Input Power Range: 5v
475 -* Frequency Range: 150 MHz ~~ 960 MHz
476 -* Maximum Power +22 dBm constant RF output
477 -* High sensitivity: -148 dBm
478 -* Temperature:
479 -** Storage: -55 ~~ +125℃
480 -** Operating: -40 ~~ +85℃
481 -* Humidity:
482 -** Storage: 5 ~~ 95% (Non-Condensing)
483 -** Operating: 10 ~~ 95% (Non-Condensing)
484 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
485 -* LoRa Rx current: <9 mA
486 -
487 -
488 -
489 -
490 -
491 -== 3.4  Pin Mapping & LED ==
492 -
493 -
494 -
495 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
496 -
497 -
498 -(((
499 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
500 -)))
501 -
502 -
503 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
504 -
505 -
506 -[[image:image-20220723100027-1.png]]
507 -
508 -
509 -Open the serial port tool
510 -
511 -[[image:image-20220602161617-8.png]]
512 -
513 -[[image:image-20220602161718-9.png||height="457" width="800"]]
514 -
515 -
516 -
517 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
518 -
519 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
520 -
521 -
522 -[[image:image-20220602161935-10.png||height="498" width="800"]]
523 -
524 -
525 -
526 -(% style="color:blue" %)**3. See Uplink Command**
527 -
528 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
529 -
530 -example: AT+SENDB=01,02,8,05820802581ea0a5
531 -
532 -[[image:image-20220602162157-11.png||height="497" width="800"]]
533 -
534 -
535 -
536 -(% style="color:blue" %)**4. Check to see if TTN received the message**
537 -
538 -[[image:image-20220602162331-12.png||height="420" width="800"]]
539 -
540 -
541 -
542 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
543 -
544 -
545 -**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
546 -
547 -(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
548 -
549 -(% style="color:red" %)**Preconditions:**
550 -
551 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
552 -
553 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
554 -
555 -
556 -
557 -(% style="color:blue" %)**Steps for usage:**
558 -
559 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
560 -
561 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
562 -
563 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
564 -
565 -
566 -
567 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
568 -
569 -
570 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
571 -
572 -
573 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
574 -
575 -[[image:image-20220723100439-2.png]]
576 -
577 -
578 -
579 -(% style="color:blue" %)**2. Install Minicom in RPi.**
580 -
581 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
582 -
583 - (% style="background-color:yellow" %)**apt update**
584 -
585 - (% style="background-color:yellow" %)**apt install minicom**
586 -
587 -
588 -Use minicom to connect to the RPI's terminal
589 -
590 -[[image:image-20220602153146-3.png||height="439" width="500"]]
591 -
592 -
593 -
594 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
595 -
596 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
597 -
598 -
599 -[[image:image-20220602154928-5.png||height="436" width="500"]]
600 -
601 -
602 -
603 -(% style="color:blue" %)**4. Send Uplink message**
604 -
605 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
606 -
607 -example: AT+SENDB=01,02,8,05820802581ea0a5
608 -
609 -
610 -[[image:image-20220602160339-6.png||height="517" width="600"]]
611 -
612 -
613 -
614 -Check to see if TTN received the message
615 -
616 -[[image:image-20220602160627-7.png||height="369" width="800"]]
617 -
618 -
619 -
620 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
621 -
622 -
623 -=== 3.8.1  DRAGINO-LA66-APP ===
624 -
625 -
626 -[[image:image-20220723102027-3.png]]
627 -
628 -
629 -
630 -==== (% style="color:blue" %)**Overview：**(%%) ====
631 -
632 -
633 -(((
634 -DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter.
635 -)))
636 -
637 -(((
638 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
639 -)))
640 -
641 -
642 -
643 -==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
644 -
645 -
646 -Requires a type-c to USB adapter
647 -
648 -[[image:image-20220723104754-4.png]]
649 -
650 -
651 -
652 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
653 -
654 -
655 -Function and page introduction
656 -
657 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
658 -
659 -
660 -1.Display LA66 USB LoRaWAN Module connection status
661 -
662 -2.Check and reconnect
663 -
664 -3.Turn send timestamps on or off
665 -
666 -4.Display LoRaWan connection status
667 -
668 -5.Check LoRaWan connection status
669 -
670 -6.The RSSI value of the node when the ACK is received
671 -
672 -7.Node's Signal Strength Icon
673 -
674 -8.Set the packet sending interval of the node in seconds
675 -
676 -9.AT command input box
677 -
678 -10.Send AT command button
679 -
680 -11.Node log box
681 -
682 -12.clear log button
683 -
684 -13.exit button
685 -
686 -
687 -LA66 USB LoRaWAN Module not connected
688 -
689 -[[image:image-20220723110520-5.png||height="903" width="677"]]
690 -
691 -
692 -
693 -Connect LA66 USB LoRaWAN Module
694 -
695 -[[image:image-20220723110626-6.png||height="906" width="680"]]
696 -
697 -
698 -
699 -=== 3.8.2  Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
700 -
701 -
702 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
703 -
704 -[[image:image-20220723134549-8.png]]
705 -
706 -
707 -
708 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
709 -
710 -Sample JSON file please go to this link to download：放置JSON文件的链接
711 -
712 -For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
713 -
714 -The following is the positioning effect map
715 -
716 -[[image:image-20220723144339-1.png]]
717 -
718 -
719 -
720 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
721 -
722 -
723 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
724 -
725 -Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
726 -
727 -[[image:image-20220723150132-2.png]]
728 -
729 -
730 -
731 -= 4.  FAQ =
732 -
733 -
734 -== 4.1  How to Compile Source Code for LA66? ==
735 -
736 -
737 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
738 -
739 -
740 -
741 -= 5.  Order Info =
742 -
743 -
744 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
745 -
746 -
747 747  (% style="color:blue" %)**XXX**(%%): The default frequency band
748 748  
749 749  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -756,11 +756,31 @@
756 756  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
757 757  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
758 758  
226 += 4.  FCC Statement =
759 759  
760 760  
229 +(% style="color:red" %)**FCC Caution:**
761 761  
231 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
762 762  
763 -= 6.  Reference =
233 +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.
764 764  
765 765  
766 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
236 +(% style="color:red" %)**IMPORTANT NOTE: **
237 +
238 +(% 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:
239 +
240 +—Reorient or relocate the receiving antenna.
241 +
242 +—Increase the separation between the equipment and receiver.
243 +
244 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
245 +
246 +—Consult the dealer or an experienced radio/TV technician for help.
247 +
248 +
249 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
250 +
251 +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.
252 +
253 +
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