Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 89.1 >
edited by Edwin Chen
on 2022/07/15 00:08
To version < 87.2 >
edited by Xiaoling
on 2022/07/13 09:34
>
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
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1 1  
2 2  
3 -**Table of Contents:**
3 +{{box cssClass="floatinginfobox" title="**Contents**"}}
4 +{{toc/}}
5 +{{/box}}
4 4  
5 5  {{toc/}}
6 6  
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12 12  == 1.1  What is LA66 LoRaWAN Module ==
13 13  
14 14  
15 -(((
16 -[[image:image-20220715000242-1.png||height="110" width="132"]]
17 -
18 18  (% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
19 -)))
20 20  
21 -(((
22 22  (% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 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.
23 -)))
24 24  
25 -(((
26 26  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
27 -)))
28 28  
29 -(((
30 30  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.
31 -)))
32 32  
33 -(((
34 34  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
35 -)))
36 36  
37 37  
38 38  == 1.2  Features ==
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161 161  1. Arduino
162 162  1. USB TO TTL Adapter
163 163  
164 -
165 -
166 166  [[image:image-20220602100052-2.png||height="385" width="600"]]
167 167  
168 168  
... ... @@ -172,15 +172,12 @@
172 172  [[image:image-20220602101311-3.png||height="276" width="600"]]
173 173  
174 174  
175 -(((
176 176  (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
177 -)))
178 178  
179 -(((
165 +
180 180  (% style="background-color:yellow" %)**GND  <-> GND
181 -TXD  <->  TXD
182 -RXD  <->  RXD**
183 -)))
167 +TXD  <->  TXD
168 +RXD  <->  RXD**
184 184  
185 185  
186 186  Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
... ... @@ -200,20 +200,15 @@
200 200  [[image:image-20220602102824-5.png||height="306" width="600"]]
201 201  
202 202  
203 -
204 204  ==== 2.  Press the RST switch once ====
205 205  
206 -
207 207  [[image:image-20220602104701-12.png||height="285" width="600"]]
208 208  
209 209  
210 -
211 211  ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
212 212  
213 213  
214 -(((
215 215  (% 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/]]**
216 -)))
217 217  
218 218  
219 219  [[image:image-20220602103227-6.png]]
... ... @@ -251,7 +251,6 @@
251 251  [[image:image-20220602104923-13.png]]
252 252  
253 253  
254 -
255 255  (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
256 256  (% style="color:blue" %)**5. Check update process**
257 257  
... ... @@ -288,9 +288,8 @@
288 288  * AT Command via UART-TTL interface
289 289  * Firmware upgradable via UART interface
290 290  
270 +== Specification ==
291 291  
292 -== 3.3  Specification ==
293 -
294 294  * CPU: 32-bit 48 MHz
295 295  * Flash: 256KB
296 296  * RAM: 64KB
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307 307  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
308 308  * LoRa Rx current: <9 mA
309 309  
288 +== Pin Mapping & LED ==
310 310  
311 -== 3.4  Pin Mapping & LED ==
290 +== Example Send & Get Messages via LoRaWAN in PC ==
312 312  
313 -
314 -
315 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
316 -
317 -
318 318  Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
319 319  
294 +~1. Connect the LA66 USB LoRaWAN adapter to PC
320 320  
321 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
322 -
323 -
324 324  [[image:image-20220602171217-1.png||height="538" width="800"]]
325 325  
326 -
327 327  Open the serial port tool
328 328  
329 329  [[image:image-20220602161617-8.png]]
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331 331  [[image:image-20220602161718-9.png||height="457" width="800"]]
332 332  
333 333  
305 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
334 334  
335 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
336 -
337 337  The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
338 338  
339 -
340 340  [[image:image-20220602161935-10.png||height="498" width="800"]]
341 341  
342 342  
312 +3. See Uplink Command
343 343  
344 -(% style="color:blue" %)**3. See Uplink Command**
314 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
345 345  
346 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
347 -
348 348  example: AT+SENDB=01,02,8,05820802581ea0a5
349 349  
350 350  [[image:image-20220602162157-11.png||height="497" width="800"]]
351 351  
352 352  
321 +4. Check to see if TTN received the message
353 353  
354 -(% style="color:blue" %)**4. Check to see if TTN received the message**
355 -
356 356  [[image:image-20220602162331-12.png||height="420" width="800"]]
357 357  
358 358  
359 359  
360 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
327 +== Example:Send PC's CPU/RAM usage to TTN via python ==
361 361  
362 -
329 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
363 363  **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]]
364 364  
332 +(% class="wikigeneratedid" id="HPreconditions:" %)
333 +**Preconditions:**
365 365  
366 -(% style="color:red" %)**Preconditions:**
335 +1.LA66 USB LoRaWAN Adapter works fine
367 367  
368 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
337 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
369 369  
370 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
339 +(% class="wikigeneratedid" id="HStepsforusage" %)
340 +**Steps for usage**
371 371  
342 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
372 372  
344 +2.Run the python script in PC and see the TTN
373 373  
374 -(% style="color:blue" %)**Steps for usage:**
375 -
376 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
377 -
378 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
379 -
380 380  [[image:image-20220602115852-3.png||height="450" width="1187"]]
381 381  
382 382  
383 383  
384 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
350 +== Example Send & Get Messages via LoRaWAN in RPi ==
385 385  
386 -
387 387  Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
388 388  
354 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
389 389  
390 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
391 -
392 392  [[image:image-20220602171233-2.png||height="538" width="800"]]
393 393  
394 394  
359 +2. Install Minicom in RPi.
395 395  
396 -(% style="color:blue" %)**2. Install Minicom in RPi.**
397 -
398 398  (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
399 399  
400 - (% style="background-color:yellow" %)**apt update**
363 +(% class="mark" %)apt update
401 401  
402 - (% style="background-color:yellow" %)**apt install minicom**
365 +(% class="mark" %)apt install minicom
403 403  
404 404  
405 405  Use minicom to connect to the RPI's terminal
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407 407  [[image:image-20220602153146-3.png||height="439" width="500"]]
408 408  
409 409  
373 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
374 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
410 410  
411 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
412 -
413 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
414 -
415 -
416 416  [[image:image-20220602154928-5.png||height="436" width="500"]]
417 417  
418 418  
379 +4. Send Uplink message
419 419  
420 -(% style="color:blue" %)**4. Send Uplink message**
381 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
421 421  
422 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
423 -
424 424  example: AT+SENDB=01,02,8,05820802581ea0a5
425 425  
426 -
427 427  [[image:image-20220602160339-6.png||height="517" width="600"]]
428 428  
429 -
430 -
431 431  Check to see if TTN received the message
432 432  
433 433  [[image:image-20220602160627-7.png||height="369" width="800"]]
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434 434  
435 435  
436 436  
437 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
393 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
438 438  
439 439  
396 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
440 440  
441 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
442 442  
443 443  
400 += Order Info =
444 444  
402 +Part Number:
445 445  
446 -= 4.  Order Info =
404 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
447 447  
406 +**XXX**: The default frequency band
448 448  
449 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
408 +* **AS923**: LoRaWAN AS923 band
409 +* **AU915**: LoRaWAN AU915 band
410 +* **EU433**: LoRaWAN EU433 band
411 +* **EU868**: LoRaWAN EU868 band
412 +* **KR920**: LoRaWAN KR920 band
413 +* **US915**: LoRaWAN US915 band
414 +* **IN865**: LoRaWAN IN865 band
415 +* **CN470**: LoRaWAN CN470 band
416 +* **PP**: Peer to Peer LoRa Protocol
450 450  
418 += Reference =
451 451  
452 -(% style="color:blue" %)**XXX**(%%): The default frequency band
453 -
454 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
455 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
456 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
457 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
458 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
459 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
460 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
461 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
462 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
463 -
464 -
465 -= 5.  Reference =
466 -
467 467  * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
468 468  
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