Last modified by Xiaoling on 2023/05/26 14:19
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From version < 146.7 >
edited by Xiaoling
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304 304  
305 305  
306 306  
307 -= 2.  FAQ =
307 += 3.  LA66 USB LoRaWAN Adapter =
308 308  
309 309  
310 -== 2.1  How to Compile Source Code for LA66? ==
310 +== 3.1  Overview ==
311 311  
312 312  
313 +[[image:image-20220715001142-3.png||height="145" width="220"]]
314 +
315 +
316 +(((
317 +(% 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.
318 +)))
319 +
320 +(((
321 +(% 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.
322 +)))
323 +
324 +(((
325 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
326 +)))
327 +
328 +(((
329 +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.
330 +)))
331 +
332 +(((
333 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
334 +)))
335 +
336 +
337 +
338 +== 3.2  Features ==
339 +
340 +
341 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
342 +* Ultra-long RF range
343 +* Support LoRaWAN v1.0.4 protocol
344 +* Support peer-to-peer protocol
345 +* TCXO crystal to ensure RF performance on low temperature
346 +* Spring RF antenna
347 +* Available in different frequency LoRaWAN frequency bands.
348 +* World-wide unique OTAA keys.
349 +* AT Command via UART-TTL interface
350 +* Firmware upgradable via UART interface
351 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
352 +
353 +== 3.3  Specification ==
354 +
355 +
356 +* CPU: 32-bit 48 MHz
357 +* Flash: 256KB
358 +* RAM: 64KB
359 +* Input Power Range: 5v
360 +* Frequency Range: 150 MHz ~~ 960 MHz
361 +* Maximum Power +22 dBm constant RF output
362 +* High sensitivity: -148 dBm
363 +* Temperature:
364 +** Storage: -55 ~~ +125℃
365 +** Operating: -40 ~~ +85℃
366 +* Humidity:
367 +** Storage: 5 ~~ 95% (Non-Condensing)
368 +** Operating: 10 ~~ 95% (Non-Condensing)
369 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
370 +* LoRa Rx current: <9 mA
371 +
372 +== 3.4  Pin Mapping & LED ==
373 +
374 +[[image:image-20220813183239-3.png||height="526" width="662"]]
375 +
376 +
377 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
378 +
379 +
380 +(((
381 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
382 +)))
383 +
384 +
385 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
386 +
387 +
388 +[[image:image-20220723100027-1.png]]
389 +
390 +
391 +Open the serial port tool
392 +
393 +[[image:image-20220602161617-8.png]]
394 +
395 +[[image:image-20220602161718-9.png||height="457" width="800"]]
396 +
397 +
398 +
399 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
400 +
401 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
402 +
403 +
404 +[[image:image-20220602161935-10.png||height="498" width="800"]]
405 +
406 +
407 +
408 +(% style="color:blue" %)**3. See Uplink Command**
409 +
410 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
411 +
412 +example: AT+SENDB=01,02,8,05820802581ea0a5
413 +
414 +[[image:image-20220602162157-11.png||height="497" width="800"]]
415 +
416 +
417 +
418 +(% style="color:blue" %)**4. Check to see if TTN received the message**
419 +
420 +[[image:image-20220602162331-12.png||height="420" width="800"]]
421 +
422 +
423 +
424 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
425 +
426 +
427 +**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]]
428 +
429 +(**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]])
430 +
431 +(% style="color:red" %)**Preconditions:**
432 +
433 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
434 +
435 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
436 +
437 +
438 +
439 +(% style="color:blue" %)**Steps for usage:**
440 +
441 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
442 +
443 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
444 +
445 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
446 +
447 +
448 +
449 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
450 +
451 +
452 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
453 +
454 +
455 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
456 +
457 +[[image:image-20220723100439-2.png]]
458 +
459 +
460 +
461 +(% style="color:blue" %)**2. Install Minicom in RPi.**
462 +
463 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
464 +
465 + (% style="background-color:yellow" %)**apt update**
466 +
467 + (% style="background-color:yellow" %)**apt install minicom**
468 +
469 +
470 +Use minicom to connect to the RPI's terminal
471 +
472 +[[image:image-20220602153146-3.png||height="439" width="500"]]
473 +
474 +
475 +
476 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
477 +
478 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
479 +
480 +
481 +[[image:image-20220602154928-5.png||height="436" width="500"]]
482 +
483 +
484 +
485 +(% style="color:blue" %)**4. Send Uplink message**
486 +
487 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
488 +
489 +example: AT+SENDB=01,02,8,05820802581ea0a5
490 +
491 +
492 +[[image:image-20220602160339-6.png||height="517" width="600"]]
493 +
494 +
495 +
496 +Check to see if TTN received the message
497 +
498 +[[image:image-20220602160627-7.png||height="369" width="800"]]
499 +
500 +
501 +
502 +== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
503 +
504 +
505 +=== 3.8.1  Hardware and Software Connection ===
506 +
507 +
508 +==== (% style="color:blue" %)**Overview：**(%%) ====
509 +
510 +
511 +(((
512 +DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
513 +
514 +* Send real-time location information of mobile phone to LoRaWAN network.
515 +* Check LoRaWAN network signal strengh.
516 +* Manually send messages to LoRaWAN network.
517 +)))
518 +
519 +
520 +
521 +==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
522 +
523 +A USB to Type-C adapter is needed to connect to a Mobile phone.
524 +
525 +Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
526 +
527 +[[image:image-20220813174353-2.png||height="360" width="313"]]
528 +
529 +
530 +==== (% style="color:blue" %)**Download and Install App:**(%%) ====
531 +
532 +[[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]].  (Android Version Only)
533 +
534 +[[image:image-20220813173738-1.png]]
535 +
536 +
537 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
538 +
539 +Function and page introduction
540 +
541 +[[image:image-20220723113448-7.png||height="995" width="450"]]
542 +
543 +**Block Explain:**
544 +
545 +1.  Display LA66 USB LoRaWAN Module connection status
546 +
547 +2.  Check and reconnect
548 +
549 +3.  Turn send timestamps on or off
550 +
551 +4.  Display LoRaWan connection status
552 +
553 +5.  Check LoRaWan connection status
554 +
555 +6.  The RSSI value of the node when the ACK is received
556 +
557 +7.  Node's Signal Strength Icon
558 +
559 +8.  Configure Location Uplink Interval
560 +
561 +9.  AT command input box
562 +
563 +10.  Send Button:  Send input box info to LA66 USB Adapter
564 +
565 +11.  Output Log from LA66 USB adapter
566 +
567 +12.  clear log button
568 +
569 +13.  exit button
570 +
571 +
572 +LA66 USB LoRaWAN Module not connected
573 +
574 +[[image:image-20220723110520-5.png||height="677" width="508"]]
575 +
576 +
577 +
578 +Connect LA66 USB LoRaWAN Module
579 +
580 +[[image:image-20220723110626-6.png||height="681" width="511"]]
581 +
582 +
583 +
584 +=== 3.8.2 Send data to TTNv3 and plot location info in Node-Red ===
585 +
586 +
587 +(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
588 +
589 +[[image:image-20220723134549-8.png]]
590 +
591 +
592 +
593 +(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
594 +
595 +Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
596 +
597 +For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
598 +
599 +After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
600 +
601 +
602 +Example output in NodeRed is as below:
603 +
604 +[[image:image-20220723144339-1.png]]
605 +
606 +
607 +
608 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
609 +
610 +
611 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
612 +
613 +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)
614 +
615 +[[image:image-20220723150132-2.png]]
616 +
617 +
618 +
619 += 4.  FAQ =
620 +
621 +
622 +== 4.1  How to Compile Source Code for LA66? ==
623 +
624 +
313 313  Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
314 314  
315 315  
316 316  
317 -= 3.  Order Info =
629 += 5.  Order Info =
318 318  
319 319  
320 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
632 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
321 321  
322 322  
323 323  (% style="color:blue" %)**XXX**(%%): The default frequency band
... ... @@ -332,10 +332,7 @@
332 332  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
333 333  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
334 334  
647 += 6.  Reference =
335 335  
336 336  
337 -
338 -= 4.  Reference =
339 -
340 -
341 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
650 +* 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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