Last modified by Dilisi S on 2025/02/26 19:24
<
From version < 164.1 >
edited by BoYang Xie
on 2025/02/07 19:21
To version < 166.1 >
edited by BoYang Xie
on 2025/02/08 16:46
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... ... @@ -358,22 +358,173 @@
358 358  
359 359  = 4. Example Project 2: LoRaWAN RS485 Alarm =
360 360  
361 -= 5. The method for adding a new type of panel to the project =
361 += 5. Example Project 3: P2P =
362 362  
363 +The project achieves the function of receiving LoRa P2P messages and displaying them on the screen. The workflow is as follows: A LA66, running a P2P program, sends a message in a particular format via an AT command. Then, the LTS5 receives the message and displays it on the screen.
364 +
365 +The project can be found at [[this link>>url:https://github.com/dragino/LoRa-HMI-Touch-Screen/tree/main/Example/P2P]].
366 +
367 +== 5.1 firmware flashing approach. ==
368 +
369 +5.1.1 Download this project
370 +
371 +5.1.2 Download esp32 firmware flash tool in [[this link>>https://docs.espressif.com/projects/esp-test-tools/en/latest/esp32/production_stage/tools/flash_download_tool.html]].
372 +
373 +5.1.3 Download la66 firmware flash tool in [[this link>>https://www.dropbox.com/scl/fo/9kqeqf6wmet10o9hgxuwa/h?rlkey=4ikrg6kg5v0yjxwhp0i37wrv7&e=1&dl=0]].
374 +
375 +5.1.4 Upload firmware to esp32
376 +
377 +Open flash_download_tool.exe, and then follow the steps below.
378 +
379 +[[image:1738893226894-758.png||height="170" width="176"]]
380 +
381 +[[image:image-20250207100150-7.png||height="476" width="538"]]
382 +
383 +5.1.5 Upload firmware to la66
384 +
385 +Open Dragino_Sensor_Manager_Utility.exe, and then follow the steps below.
386 +
387 +[[image:image-20250207101415-8.png||height="522" width="618"]]
388 +
389 +[[image:image-20250207101515-9.png||height="522" width="618"]]
390 +
391 +== 5.2 AT command and P2P data format ==
392 +
393 +AT+SEND=1,014b69746368656e2d467269676531FFFFA84041000181D4A8**01**A4CBBB0A8E085C02,0,3
394 +
395 +AT+SEND=1,014b69746368656e2d467269676531FFFFA84041000181D4A8**02**A4CB00,0,3
396 +
397 +AT+SEND=1,014b69746368656e2d467269676531FFFFA84041000181D4A8**03**A4CB00,0,3
398 +
399 +AT+SEND=1,014b69746368656e2d467269676531FFFFA84041000181D4A8**04**A4CB00,0,3
400 +
401 +AT+SEND=1,014b69746368656e2d467269676531FFFFA84041000181D4A8**05**A4CB00,0,3
402 +
403 +AT+SEND=1,014b69746368656e2d467269676531FFFFA84041000181D4A8**06**A4CB00,0,3
404 +
405 +**Data format**:
406 +
407 +~1. AT+SEND=1,**01** **4b69746368656e2d467269676531FFFF A84041000181D4A8 01  A4CB  BB0A  8E08  5C02**,0,3
408 +
409 +**01:** encrypt. 1 Byte. 01 ~-~-> no encryption. This 1-byte information is now invalid; simply write 0x01 instead.
410 +
411 +**4b69746368656e2d467269676531FFFF: **Device Name. 16 Bytes. The Device Name for this piece of information is "Kitchen-Frige1," and the subsequent "FFFF" is intended to pad it up to 16 Bytes. The Device Name for this piece of information is 'Kitchen-Frige1,' and the subsequent 'FFFF' is intended to pad it up to 16 Bytes, but it is not necessary as the system can handle shorter names as well.
412 +
413 +**A84041000181D4A8:** Device EUI. 8 Bytes. The last three Bytes will be extracted by the ESP32-S3 and displayed on the screen.
414 +
415 +**01: **Panel Type. 1 Byte. 0x01~-~->Tem & Hum,
416 +
417 + 0x02~-~->Door,
418 +
419 + 0x03~-~->Water Leak,
420 +
421 + 0x04~-~->Occupied,
422 +
423 + 0x05~-~->Button,
424 +
425 + 0x06~-~->Alarm,
426 +
427 +**A4CB: **Battery level//. //2 Bytes. Battery Voltage =0xCBA4&0x3FFF=0x0BA4=2980mV
428 +
429 +**BB0A: **The temperature of the built-in sensor in LHT65N.// //2 Bytes. Temperature:  0x0ABB/100=27.47℃
430 +
431 +**8E08: **The temperature of the External temperature sensor.// //2 Bytes. Temperature:  0x088E/100=21.90℃
432 +
433 +**5C02：**The humidity of the built-in sensor in LHT65N. 2 Bytes. Humidity: 0x025C/10=60.4%
434 +
435 +2. AT+SEND=1,**01**  **4b69746368656e2d467269676531FFFF**  **A84041000181D4A8**  **02  A4CB  00**,0,3
436 +
437 +Specific sections of the data share the same function.
438 +
439 +**00: Status. **1 Byte//. //If Panel Type is 0x02, **Status: 00~-~->Open; 01~-~->Close.**
440 +
441 + If Panel Type is 0x03, **Status: 00~-~->Normal; 01~-~->Water Leaking.**
442 +
443 + If Panel Type is 0x04, **Status: 00~-~->Free; 01~-~->Occupied.**
444 +
445 + If Panel Type is 0x05, **Status: 00~-~->OFF; 01~-~->ON.**
446 +
447 + If Panel Type is 0x06, **Status: 00~-~->OFF; 01~-~->Alarm.**
448 +
449 +== 5.3 Usage ==
450 +
451 +After burning the firmware into LTS5, you can use an LA66 equipped with peer-to-peer firmware to send data to LTS5 via AT commands.
452 +
453 +5.3.1 Connect LA66 to the computer, open Serial Port Utility, and send the AT+CFG instruction to check whether the LA66 has downloaded correct program.
454 +
455 +[[image:image-20250207143131-11.png||height="527" width="547"]]
456 +
457 +5.3.2 Copy an AT instruction example, click "Send" button, then the led in LA66 will flash and the LTS5 will display the LoRa information.
458 +
459 +[[image:image-20250207144605-12.png||height="634" width="548"]]
460 +
461 += 6. Example Project 4: LoRaWAN_CLASS_C =
462 +
463 +
464 +The project achieves the function of receiving LoRaWAN Class C messages and displaying them on the screen. Note: The Things Network (TTN) needs to enable Class C support, and the LA66 within the LTS5 needs to operate in Class C mode.
465 +
466 +The downlink workflow proceeds as follows: The Things Network (TTN) sends a message in a specific format via downlink. Then, a LoRaWAN gateway relays this message to the LTS5. Finally, the LTS5 receives the message and displays it on its screen.
467 +
468 +The uplink workflow is as follows: The LA66 within the LTS5 sends a LoRaWAN message, for some reason, to a LoRaWAN gateway, which then forwards it to The Things Network (TTN).
469 +
470 +The project can be found at [[this link>>https://github.com/dragino/LoRa-HMI-Touch-Screen/tree/main/Example/LoRaWAN_CLASS_C]].
471 +
472 +== 6.1 firmware flashing approach ==
473 +
474 +The firmware flashing approach is the same as described in section 5.1.
475 +
476 +== 6.2 flowchart ==
477 +
478 +[[image:image-20250207164320-13.png||height="696" width="1344"]]
479 +
480 +== 6.3 Usage ==
481 +
482 +This section now describes a process involving TTN downlink panel data that is to be displayed on the LTS5 screen.
483 +
484 +6.3.1 Connect LA66 to the computer, open Serial Port Utility, and send the AT+CFG instruction to check whether the LA66 has downloaded correct program.
485 +
486 +[[image:image-20250207165702-14.png||height="830" width="563"]]
487 +
488 +6.3.2 Switch to Class C using "AT+CLASS=C", and check the class with "AT+CLASS=?".
489 +
490 +[[image:image-20250207173212-27.png]]
491 +
492 +[[image:image-20250207172246-20.png]]
493 +
494 +6.3.3 Verify LA66's join status (in LTS5) with "AT+NJS=?". If not joined, connect manually to LoRaWAN with "AT+JOIN".
495 +
496 +[[image:image-20250207172010-19.png]]
497 +
498 +[[image:image-20250207171650-17.png]]
499 +
500 +6.3.4 After joining, send a message to TTN, such as "AT+SENDB=01,02,8,05820802581ea0a5", to activate communication.
501 +
502 +[[image:image-20250207192107-28.png]]
503 +
504 +6.3.5 TTN distributes panel data in three phases: DEUI, Dev Name, and Sensor Data. The Dev Name, the last three bytes of the DEUI, and the panel type union together ensure the identification of a panel. Data about the same panel type will update the existing panel display, while data about a different panel type will create a new panel display on the LTS5 screen.
505 +
506 +There is an example for TTN downlink.
507 +
508 +1. downlink DEUI F1A84041000181D4A8
509 +1. downlink Dev Name F24B69746368656E2D467269676531FFFF
510 +1. downlink Sensor Data 5501A4CBBB0A8E085C02 or 5504A4CB01. Both of them are vaild formats for LTS5. Note: 0x55 as prefix and any other prefix except 0xF1, 0xF2, 0xF3 means downlink is Sensor Data.
511 +
512 += 7. The method for adding a new type of panel to the project =
513 +
363 363  If you don't have this need, then this part of the content can be ignored.
364 364  
365 -1. Design a panel in SquareLine Studio, as shown in Image 5.1 below for reference.
516 +1. Design a panel in SquareLine Studio, as shown in Image 7.1 below for reference.
366 366  
367 367  [[image:image-20241121113445-1.png||height="584" width="934"]]
368 368  
369 - Image 5.1: a panel about water_leak
520 + Image 7.1: a panel about water_leak
370 370  
371 371  
372 -2. **Export the UI file: **You need to adjust the export path first, then click '**Export -> Export UI Files**' on the menu bar. This step was introduced earlier. After that, you can get the UI files as shown in Image 5.2.
523 +2. **Export the UI file: **You need to adjust the export path first, then click '**Export -> Export UI Files**' on the menu bar. This step was introduced earlier. After that, you can get the UI files as shown in Image 7.2.
373 373  
374 374  [[image:image-20241121141120-4.png||height="383" width="795"]]
375 375  
376 - Image 5.2: Exported UI files
527 + Image 7.2: Exported UI files
377 377  
378 378  
379 379  3. **Delete and rename some file.** Here are the steps:
... ... @@ -386,114 +386,114 @@
386 386  
387 387  [[image:image-20241121151934-10.png||height="303" width="792"]]
388 388  
389 - image 5.3 rest file (1)
540 + image 7.3 rest file (1)
390 390  
391 391  [[image:image-20241121142925-7.png||height="141" width="793"]]
392 392  
393 - image 5.4 rest file (2)
544 + image 7.4 rest file (2)
394 394  
395 -4. Open the project in **VS Code**.
546 +4. Open the project in VS Code.
396 396  
397 -5. Add the file include path for **water_leak** in **extra_lib/CMakeLists.txt**, as shown in Images 5.5 and 5.6. Its format is similar to that of **tem_hum** or **door**."
548 +5. Add the file include path for **water_leak** in **extra_lib/CMakeLists.txt**, as shown in Images 7.5 and 7.6. Its format is similar to that of **tem_hum** or **door**."
398 398  
399 399  [[image:image-20241121181957-17.png||height="438" width="516"]]
400 400  
401 - image 5.5 extra_lib/CMakeLists.txt before add
552 + image 7.5 extra_lib/CMakeLists.txt before adding
402 402  
403 403  [[image:image-20241121182239-18.png||height="520" width="518"]]
404 404  
405 - image 5.6 extra_lib/CMakeLists.txt after add
556 + image 7.6 extra_lib/CMakeLists.txt after adding
406 406  
407 407  6.  **Modify the header files included in the fonts and images directories**.
408 408  
409 -Open the **fonts/ui_font_Font12.c** file, as shown in Image 5.7, and change **#include "../ui.h"** to **#include "../ui_water_leak.h"**. The modified file is shown in Image 5.8. Other font files need to be modified in the same way.
560 +Open the **fonts/ui_font_Font12.c** file, as shown in Image 7.7, and change **#include "../ui.h"** to **#include "../ui_water_leak.h"**. The modified file is shown in Image 7.8. Other font files need to be modified in the same way.
410 410  
411 411  [[image:image-20241121171629-11.png]]
412 412  
413 - image 5.7 before-modified font file
564 + image 7.7 unmodified font file
414 414  
415 415  [[image:image-20241121171901-12.png]]
416 416  
417 - image 5.8 modified font file
568 + image 7.8 modified font file
418 418  
419 -Open the **images/ui_img_battery_empty_png.c** file, as shown in Image 5.9, and change **#include "../ui.h"** to **#include "../ui_water_leak.h"**. The modified file is shown in Image 5.10. Other image files need to be modified in the same way.
570 +Open the **images/ui_img_battery_empty_png.c** file, as shown in Image 7.9, and change **#include "../ui.h"** to **#include "../ui_water_leak.h"**. The modified file is shown in Image 7.10. Other image files need to be modified in the same way.
420 420  
421 421  [[image:image-20241121172714-13.png]]
422 422  
423 - image 5.9 before-modified image file
574 + image 7.9 unmodified image file
424 424  
425 425  [[image:image-20241121172908-14.png]]
426 426  
427 - image 5.10 modified image file
578 + image 7.10 modified image file
428 428  
429 -7. Modify the **ui_water_leak/CMakeLists.txt**. Open this file, and modify it as shown in image 5.11 (before) and image 5.12 (after).
580 +7. Modify the **ui_water_leak/CMakeLists.txt**. Open this file, and modify it as shown in image 7.11 (before) and image 7.12 (after).
430 430  
431 431  [[image:image-20241121180030-15.png]]
432 432  
433 - image 5.11 ui_water_leak/CMakeLists.txt before modification
584 + image 7.11 ui_water_leak/CMakeLists.txt before modification
434 434  
435 435  [[image:image-20241121180517-16.png]]
436 436  
437 - image 5.12 ui_water_leak/CMakeLists.txt after modification
588 + image 7.12 ui_water_leak/CMakeLists.txt after modification
438 438  
439 439  
440 -8. Modify the **ui_water_leak.h** file. Images 5.13 and 5.14 show the code before modification, while Images 5.15 and 5.16 show the code after modification.
591 +8. Modify the **ui_water_leak.h** file. Images 7.13 and 7.14 show the code before modification, while Images 7.15 and 7.16 show the code after modification.
441 441  
442 442  [[image:image-20241122094200-23.png]]
443 443  
444 - image 5.13 ui_water_leak.h (1) before modification
595 + image 7.13 ui_water_leak.h (1) before modification
445 445  
446 446  [[image:image-20241122094320-24.png||height="852" width="554"]]
447 447  
448 - image 5.14 ui_water_leak.h (2) before modification
599 + image 7.14 ui_water_leak.h (2) before modification
449 449  
450 450  [[image:image-20241122094600-25.png||height="1078" width="554"]]
451 451  
452 - image 5.15 ui_water_leak.h (1) after modification
603 + image 7.15 ui_water_leak.h (1) after modification
453 453  
454 454  [[image:image-20241122094719-26.png||height="941" width="583"]]
455 455  
456 - image 5.16 ui_water_leak.h (2) before modification
607 + image 7.16 ui_water_leak.h (2) before modification
457 457  
458 -9. **Modify ui_water_leak.c file.** The image 5.17, 5.18, 5.19 show the code before modification, and the image 5.20, 5.21, 5.22 show the code after modification.
609 +9. **Modify ui_water_leak.c file.** The image 7.17, 7.18, 7.19 show the code before modification, and the image 7.20, 7.21, 7.22 show the code after modification.
459 459  
460 460  _ui_flag_modify( ((lv_obj_t *)(e->user_data)), LV_OBJ_FLAG_HIDDEN, _UI_MODIFY_FLAG_TOGGLE);  This code replaces 4 lines of code in ui_water_leak.c, so it is pasted here for convenience.
461 461  
462 462  [[image:image-20241122102929-27.png||height="619" width="426"]]
463 463  
464 - image 5.17 ui_water_leak.c (1) before modification
615 + image 7.17 ui_water_leak.c (1) before modification
465 465  
466 466  [[image:image-20241122112838-30.png||height="551" width="628"]]
467 467  
468 - image 5.18 ui_water_leak.c (2) before modification
619 + image 7.18 ui_water_leak.c (2) before modification
469 469  
470 470  [[image:image-20241122110815-29.png||height="725" width="712"]]
471 471  
472 - image 5.19 ui_water_leak.c (3) before modification
623 + image 7.19 ui_water_leak.c (3) before modification
473 473  
474 474  [[image:image-20241122113158-31.png||height="872" width="677"]]
475 475  
476 - image 5.20 ui_water_leak.c (1) after modification
627 + image 7.20 ui_water_leak.c (1) after modification
477 477  
478 478  [[image:image-20241122113259-33.png||height="874" width="724"]]
479 479  
480 - image 5.21 ui_water_leak.c (2) after modification
631 + image 7.21 ui_water_leak.c (2) after modification
481 481  
482 482  [[image:image-20241122113359-34.png||height="804" width="746"]]
483 483  
484 - image 5.22 ui_water_leak.c (3) after modification
635 + image 7.22 ui_water_leak.c (3) after modification
485 485  
486 -10. **Modify ui_water_leak_events.h file.** The image 5.23 show the code before modification, and the image 5.24 show the code after modification.
637 +10. **Modify ui_water_leak_events.h file.** The image 7.23 show the code before modification, and the image 7.24 show the code after modification.
487 487  
488 488  [[image:image-20241122134113-35.png||height="380" width="421"]]
489 489  
490 - image 5.23 ui_water_leak_events_.h before modification
641 + image 7.23 ui_water_leak_events_.h before modification
491 491  
492 492  [[image:image-20241122134420-37.png||height="201" width="283"]]
493 493  
494 -image 5.24 ui_water_leak_events_.h after modification
645 +image 7.24 ui_water_leak_events_.h after modification
495 495  
496 -11.** Modify ui_water_leak_events.c file.** The image 5.25 show the code before modification, and the image 5.26 show the code after modification.
647 +11.** Modify ui_water_leak_events.c file.** The image 7.25 show the code before modification, and the image 7.26 show the code after modification.
497 497  
498 498  Step1. '#include "ui.h"'~-~->'#include "ui_water_leak.h"'
499 499  
... ... @@ -507,11 +507,11 @@
507 507  
508 508  [[image:image-20241122135023-38.png||height="358" width="372"]]
509 509  
510 - image 5.25 ui_water_leak_events_.c before modification
661 + image 7.25 ui_water_leak_events_.c before modification
511 511  
512 512  [[image:image-20241122135258-39.png||height="403" width="559"]]
513 513  
514 - image 5.26 ui_water_leak_events_.c after modification
665 + image 7.26 ui_water_leak_events_.c after modification
515 515  
516 516  
517 517  12. **Modify ui_water_leak_style.c file.**
... ... @@ -524,67 +524,67 @@
524 524  
525 525  [[image:image-20241122141536-41.png||height="361" width="612"]]
526 526  
527 - image 5.27 ui_water_leak_style.c (1) before modification
678 + image 7.27 ui_water_leak_style.c (1) before modification
528 528  
529 529  [[image:image-20241122142129-42.png||height="386" width="613"]]
530 530  
531 - image 5.28 ui_water_leak_style.c (1) after modification
682 + image 7.28 ui_water_leak_style.c (1) after modification
532 532  
533 533  
534 534  Step2. modify 'void ui_ScreenMain_screen_init(void)'~-~->'panel_with_type create_water_leak(uint8_t index)'
535 535  
536 - delete code as shown in image 5.29
687 + delete code as shown in image 7.29
537 537  
538 538  [[image:image-20241122145620-44.png||height="757" width="671"]]
539 539  
540 - image 5.29 ui_water_leak_style.c (2)
691 + image 7.29 ui_water_leak_style.c (2)
541 541  
542 542  
543 -Step3. The image 5.30, 5.31 show the change.
694 +Step3. The image 7.30, 7.31 show the change.
544 544  
545 545  [[image:image-20241122152026-45.png||height="277" width="828"]]
546 546  
547 - image 5.30 ui_water_leak_style.c (3) before modification
698 + image 7.30 ui_water_leak_style.c (3) before modification
548 548  
549 549  [[image:image-20241122152542-46.png||height="293" width="830"]]
550 550  
551 - image 5.31 ui_water_leak_style.c (3) after modification
702 + image 7.31 ui_water_leak_style.c (3) after modification
552 552  
553 553  
554 -Step4. Copy partly the code in ui_water_leak.c, paste at extra_lib/sort.h(The process is shown in image 5.32, 5.33).
705 +Step4. Copy partly the code in ui_water_leak.c, paste at extra_lib/sort.h(The process is shown in image 7.32, 7.33).
555 555  
556 556  [[image:image-20241122153958-47.png]]
557 557  
558 - image 5.32 ui_water_leak_style.c (4)
709 + image 7.32 ui_water_leak_style.c (4)
559 559  
560 560  
561 561  [[image:image-20241122154755-49.png||height="864" width="513"]]
562 562  
563 - image 5.33 ui_water_leak_style.c (4)
714 + image 7.33 ui_water_leak_style.c (4)
564 564  
565 565  
566 -Step5. Delete event function in code which was just pasted in extra_lib/sort.h(The process is shown in image 5.34).
717 +Step5. Delete event function in code which was just pasted in extra_lib/sort.h(The process is shown in image 7.34).
567 567  
568 568  [[image:image-20241122155650-50.png||height="922" width="513"]]
569 569  
570 - image 5.34 ui_water_leak_style.c (5)
721 + image 7.34 ui_water_leak_style.c (5)
571 571  
572 572  
573 -Step6. Add some lines of code in extra_lib/sort.h as shown in image 5.35.
724 +Step6. Add some lines of code in extra_lib/sort.h as shown in image 7.35.
574 574  
575 575  [[image:image-20241122161934-51.png]]
576 576  
577 - image 5.35
728 + image 7.35
578 578  
579 579  
580 -Step7. Add a line of code in extra_lib/sort.h as shown in image 5.36.
731 +Step7. Add a line of code in extra_lib/sort.h as shown in image 7.36.
581 581  
582 582  [[image:image-20241122162852-53.png||height="330" width="529"]]
583 583  
584 - image 5.37
735 + image 7.37
585 585  
586 586  
587 -Step8. Add some code in ui_water_leak_style.c as shown in image 5.38 from line534 to line 576 in detail.
738 +Step8. Add some code in ui_water_leak_style.c as shown in image 7.38 from line534 to line 576 in detail.
588 588  
589 589  panel_with_type union_sensor;
590 590  
... ... @@ -600,16 +600,16 @@
600 600  
601 601  [[image:image-20250122173546-6.png||height="777" width="922"]]
602 602  
603 - image 5.38
754 + image 7.38
604 604  
605 605  
606 606  13. Rest midification in sort.h file.
607 607  
608 -In image 5.39 as below, we can see "WATER_LEAK_TYPE" at line 24 and water leak switch status definition at line 32,33, and these are what we need to add in sort.
759 +In image 7.39 as below, we can see "WATER_LEAK_TYPE" at line 24 and water leak switch status definition at line 32,33, and these are what we need to add in sort.h.
609 609  
610 610  [[image:image-20250122170230-1.png||height="580" width="513"]]
611 611  
612 - image 5.39 sort.h
763 + image 7.39 sort.h
613 613  
614 614  13. **Modify sort.c file.**
615 615  
... ... @@ -617,26 +617,26 @@
617 617  
618 618  [[image:image-20250122171910-5.png||height="524" width="510"]]
619 619  
620 - image 5.40 sort.c (1)
771 + image 7.40 sort.c (1)
621 621  
622 622  There are still some changes need to be done in sort.c, and omit here for the moment.
623 623  
624 624  
625 625  
626 -= 6. FAQ =
777 += 8. FAQ =
627 627  
628 -== 6.1 ==
779 +== 8.1 ==
629 629  
630 630  
631 -= 7. Order Info =
782 += 9. Order Info =
632 632  
633 -== 7.1  Part Number ==
784 +== 9.1  Part Number ==
634 634  
635 635  
636 636  Part Number: (% style="color:#4472c4" %)LTS5
637 637  
638 638  
639 -== 7.2  Packing Info ==
790 +== 9.2  Packing Info ==
640 640  
641 641  
642 642  **Package Includes**:
... ... @@ -645,13 +645,13 @@
645 645  * 5V,2A DC Power Adapter.
646 646  * USB Type C Program Cable
647 647  
648 -= 8. Support =
799 += 10. Support =
649 649  
650 650  
651 651  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
652 652  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
653 653  
654 -= 9.  Reference material =
805 += 11.  Reference material =
655 655  
656 656  
657 657  * Datasheet
... ... @@ -658,7 +658,7 @@
658 658  * Source Code: [[dragino/LoRa-HMI-Touch-Screen: Open Source LoRa / LoRaWAN HMI Touch Screen Project>>url:https://github.com/dragino/LoRa-HMI-Touch-Screen/tree/main]]
659 659  * Mechinical
660 660  
661 -= 10. FCC Warning =
812 += 12. FCC Warning =
662 662  
663 663  
664 664  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:

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