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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.21
edited by Xiaoling
on 2022/06/15 11:08
Change comment: There is no comment for this version
To version 172.7
edited by Xiaoling
on 2022/06/15 09:58
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -102,7 +102,6 @@
102 102  
103 103  
104 104  
105 -
106 106  == 1.3  Suitable Container & Liquid ==
107 107  
108 108  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -114,7 +114,6 @@
114 114  
115 115  
116 116  
117 -
118 118  == 1.4  Mechanical ==
119 119  
120 120  [[image:image-20220615090910-1.png]]
... ... @@ -229,7 +229,7 @@
229 229  == 2.1  How it works ==
230 230  
231 231  (((
232 -The LDDS20 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS20. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value.
230 +The LDDS20 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value.
233 233  )))
234 234  
235 235  (((
... ... @@ -323,7 +323,7 @@
323 323  
324 324  (((
325 325  (((
326 -LDDS20 will uplink payload via LoRaWAN with below payload format: 
324 +LDDS20 will uplink payload via LoRaWAN with below payload format:
327 327  
328 328  Uplink payload includes in total 8 bytes.
329 329  Payload for firmware version v1.1.4. . Before v1.1.3, there is only 5 bytes: BAT and Distance(Please check manual v1.2.0 if you have 5 bytes payload).
... ... @@ -374,9 +374,12 @@
374 374  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
375 375  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
376 376  
375 +
376 +
377 +
377 377  === 2.3.3  Interrupt Pin ===
378 378  
379 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2A0SetInterruptMode"]] for the hardware and software set up.
380 +This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
380 380  
381 381  **Example:**
382 382  
... ... @@ -417,305 +417,736 @@
417 417  While using TTN network, you can add the payload format to decode the payload.
418 418  
419 419  
420 -[[image:1655261164557-670.png]]
421 +[[image:1654850829385-439.png]]
421 421  
422 422  The payload decoder function for TTN V3 is here:
423 423  
424 424  (((
425 -LDDS20 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS20/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
426 +LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
426 426  )))
427 427  
428 428  
429 429  
430 -== 2.4  Downlink Payload ==
431 +== 2.4  Uplink Interval ==
431 431  
432 -By default, LDDS20 prints the downlink payload to console port.
433 +The LDDS75 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
433 433  
434 -[[image:image-20220615100930-15.png]]
435 435  
436 436  
437 -**Examples:**
437 +== 2.5  ​Show Data in DataCake IoT Server ==
438 438  
439 +(((
440 +[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
441 +)))
439 439  
440 -* (% style="color:blue" %)**Set TDC**
443 +(((
444 +
445 +)))
441 441  
442 -If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
447 +(((
448 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
449 +)))
443 443  
444 -Payload:    01 00 00 1E    TDC=30S
451 +(((
452 +(% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
453 +)))
445 445  
446 -Payload:    01 00 00 3C    TDC=60S
447 447  
456 +[[image:1654592790040-760.png]]
448 448  
449 -* (% style="color:blue" %)**Reset**
450 450  
451 -If payload = 0x04FF, it will reset the LDDS20
459 +[[image:1654592800389-571.png]]
452 452  
453 453  
454 -* (% style="color:blue" %)**CFM**
462 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
455 455  
456 -Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
464 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
457 457  
466 +[[image:1654851029373-510.png]]
458 458  
459 459  
460 -== 2.5  ​Show Data in DataCake IoT Server ==
469 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
461 461  
471 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
472 +
473 +
474 +
475 +== 2.6  Frequency Plans ==
476 +
462 462  (((
463 -[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
478 +The LDDS75 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
464 464  )))
465 465  
481 +
482 +
483 +=== 2.6.1  EU863-870 (EU868) ===
484 +
466 466  (((
486 +(% style="color:blue" %)**Uplink:**
487 +)))
488 +
489 +(((
490 +868.1 - SF7BW125 to SF12BW125
491 +)))
492 +
493 +(((
494 +868.3 - SF7BW125 to SF12BW125 and SF7BW250
495 +)))
496 +
497 +(((
498 +868.5 - SF7BW125 to SF12BW125
499 +)))
500 +
501 +(((
502 +867.1 - SF7BW125 to SF12BW125
503 +)))
504 +
505 +(((
506 +867.3 - SF7BW125 to SF12BW125
507 +)))
508 +
509 +(((
510 +867.5 - SF7BW125 to SF12BW125
511 +)))
512 +
513 +(((
514 +867.7 - SF7BW125 to SF12BW125
515 +)))
516 +
517 +(((
518 +867.9 - SF7BW125 to SF12BW125
519 +)))
520 +
521 +(((
522 +868.8 - FSK
523 +)))
524 +
525 +(((
467 467  
468 468  )))
469 469  
470 470  (((
471 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
530 +(% style="color:blue" %)**Downlink:**
472 472  )))
473 473  
474 474  (((
475 -(% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
534 +Uplink channels 1-9 (RX1)
476 476  )))
477 477  
537 +(((
538 +869.525 - SF9BW125 (RX2 downlink only)
539 +)))
478 478  
479 -[[image:1654592790040-760.png]]
480 480  
481 481  
482 -[[image:1654592800389-571.png]]
543 +=== 2.6.2  US902-928(US915) ===
483 483  
545 +(((
546 +Used in USA, Canada and South America. Default use CHE=2
484 484  
485 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
548 +(% style="color:blue" %)**Uplink:**
486 486  
487 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
550 +903.9 - SF7BW125 to SF10BW125
488 488  
489 -[[image:1654851029373-510.png]]
552 +904.1 - SF7BW125 to SF10BW125
490 490  
554 +904.3 - SF7BW125 to SF10BW125
491 491  
492 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
556 +904.5 - SF7BW125 to SF10BW125
493 493  
494 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
558 +904.7 - SF7BW125 to SF10BW125
495 495  
560 +904.9 - SF7BW125 to SF10BW125
496 496  
562 +905.1 - SF7BW125 to SF10BW125
497 497  
498 -== 2.6  LED Indicator ==
564 +905.3 - SF7BW125 to SF10BW125
499 499  
500 -The LDDS20 has an internal LED which is to show the status of different state.
501 501  
567 +(% style="color:blue" %)**Downlink:**
502 502  
503 -* Blink once when device power on.
504 -* The device detects the sensor and flashes 5 times.
505 -* Solid ON for 5 seconds once device successful Join the network.
506 -* Blink once when device transmit a packet.
569 +923.3 - SF7BW500 to SF12BW500
507 507  
508 -== 2.7  ​Firmware Change Log ==
571 +923.9 - SF7BW500 to SF12BW500
509 509  
573 +924.5 - SF7BW500 to SF12BW500
510 510  
575 +925.1 - SF7BW500 to SF12BW500
576 +
577 +925.7 - SF7BW500 to SF12BW500
578 +
579 +926.3 - SF7BW500 to SF12BW500
580 +
581 +926.9 - SF7BW500 to SF12BW500
582 +
583 +927.5 - SF7BW500 to SF12BW500
584 +
585 +923.3 - SF12BW500(RX2 downlink only)
586 +
587 +
588 +
589 +)))
590 +
591 +=== 2.6.3  CN470-510 (CN470) ===
592 +
511 511  (((
512 -**Firmware download link:  **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
594 +Used in China, Default use CHE=1
513 513  )))
514 514  
515 515  (((
598 +(% style="color:blue" %)**Uplink:**
599 +)))
600 +
601 +(((
602 +486.3 - SF7BW125 to SF12BW125
603 +)))
604 +
605 +(((
606 +486.5 - SF7BW125 to SF12BW125
607 +)))
608 +
609 +(((
610 +486.7 - SF7BW125 to SF12BW125
611 +)))
612 +
613 +(((
614 +486.9 - SF7BW125 to SF12BW125
615 +)))
616 +
617 +(((
618 +487.1 - SF7BW125 to SF12BW125
619 +)))
620 +
621 +(((
622 +487.3 - SF7BW125 to SF12BW125
623 +)))
624 +
625 +(((
626 +487.5 - SF7BW125 to SF12BW125
627 +)))
628 +
629 +(((
630 +487.7 - SF7BW125 to SF12BW125
631 +)))
632 +
633 +(((
516 516  
517 517  )))
518 518  
519 519  (((
520 -**Firmware Upgrade Method:  [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]**
638 +(% style="color:blue" %)**Downlink:**
521 521  )))
522 522  
641 +(((
642 +506.7 - SF7BW125 to SF12BW125
643 +)))
523 523  
645 +(((
646 +506.9 - SF7BW125 to SF12BW125
647 +)))
524 524  
525 -== 2.8  Battery Analysis ==
649 +(((
650 +507.1 - SF7BW125 to SF12BW125
651 +)))
526 526  
653 +(((
654 +507.3 - SF7BW125 to SF12BW125
655 +)))
527 527  
657 +(((
658 +507.5 - SF7BW125 to SF12BW125
659 +)))
528 528  
661 +(((
662 +507.7 - SF7BW125 to SF12BW125
663 +)))
529 529  
530 -=== 2.8.1  Battery Type ===
665 +(((
666 +507.9 - SF7BW125 to SF12BW125
667 +)))
531 531  
532 -The LDDS20 battery is a combination of a 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
669 +(((
670 +508.1 - SF7BW125 to SF12BW125
671 +)))
533 533  
673 +(((
674 +505.3 - SF12BW125 (RX2 downlink only)
675 +)))
534 534  
535 -The battery related documents as below:
536 536  
537 -* (((
538 -[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
678 +
679 +=== 2.6.4  AU915-928(AU915) ===
680 +
681 +(((
682 +Default use CHE=2
683 +
684 +(% style="color:blue" %)**Uplink:**
685 +
686 +916.8 - SF7BW125 to SF12BW125
687 +
688 +917.0 - SF7BW125 to SF12BW125
689 +
690 +917.2 - SF7BW125 to SF12BW125
691 +
692 +917.4 - SF7BW125 to SF12BW125
693 +
694 +917.6 - SF7BW125 to SF12BW125
695 +
696 +917.8 - SF7BW125 to SF12BW125
697 +
698 +918.0 - SF7BW125 to SF12BW125
699 +
700 +918.2 - SF7BW125 to SF12BW125
701 +
702 +
703 +(% style="color:blue" %)**Downlink:**
704 +
705 +923.3 - SF7BW500 to SF12BW500
706 +
707 +923.9 - SF7BW500 to SF12BW500
708 +
709 +924.5 - SF7BW500 to SF12BW500
710 +
711 +925.1 - SF7BW500 to SF12BW500
712 +
713 +925.7 - SF7BW500 to SF12BW500
714 +
715 +926.3 - SF7BW500 to SF12BW500
716 +
717 +926.9 - SF7BW500 to SF12BW500
718 +
719 +927.5 - SF7BW500 to SF12BW500
720 +
721 +923.3 - SF12BW500(RX2 downlink only)
722 +
723 +
724 +
539 539  )))
540 -* (((
541 -[[Lithium-Thionyl Chloride Battery  datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
726 +
727 +=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
728 +
729 +(((
730 +(% style="color:blue" %)**Default Uplink channel:**
542 542  )))
543 -* (((
544 -[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
732 +
733 +(((
734 +923.2 - SF7BW125 to SF10BW125
545 545  )))
546 546  
547 - [[image:image-20220615102527-16.png]]
737 +(((
738 +923.4 - SF7BW125 to SF10BW125
739 +)))
548 548  
741 +(((
742 +
743 +)))
549 549  
745 +(((
746 +(% style="color:blue" %)**Additional Uplink Channel**:
747 +)))
550 550  
551 -== 2.8.2  Battery Note ==
749 +(((
750 +(OTAA mode, channel added by JoinAccept message)
751 +)))
552 552  
553 -The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to uplink data, then the battery life may be decreased.
753 +(((
754 +
755 +)))
554 554  
757 +(((
758 +(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
759 +)))
555 555  
761 +(((
762 +922.2 - SF7BW125 to SF10BW125
763 +)))
556 556  
557 -=== 2.8.3  Replace the battery ===
765 +(((
766 +922.4 - SF7BW125 to SF10BW125
767 +)))
558 558  
559 559  (((
560 -You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
770 +922.6 - SF7BW125 to SF10BW125
561 561  )))
562 562  
563 563  (((
774 +922.8 - SF7BW125 to SF10BW125
775 +)))
776 +
777 +(((
778 +923.0 - SF7BW125 to SF10BW125
779 +)))
780 +
781 +(((
782 +922.0 - SF7BW125 to SF10BW125
783 +)))
784 +
785 +(((
564 564  
565 565  )))
566 566  
567 567  (((
568 -The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
790 +(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
569 569  )))
570 570  
793 +(((
794 +923.6 - SF7BW125 to SF10BW125
795 +)))
571 571  
797 +(((
798 +923.8 - SF7BW125 to SF10BW125
799 +)))
572 572  
573 -== 2.8.4  Battery Life Analyze ==
801 +(((
802 +924.0 - SF7BW125 to SF10BW125
803 +)))
574 574  
575 -Dragino battery powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimate battery life:
805 +(((
806 +924.2 - SF7BW125 to SF10BW125
807 +)))
576 576  
577 -[[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
809 +(((
810 +924.4 - SF7BW125 to SF10BW125
811 +)))
578 578  
813 +(((
814 +924.6 - SF7BW125 to SF10BW125
815 +)))
579 579  
817 +(((
818 +
819 +)))
580 580  
581 -= 3.  Using the AT Commands =
821 +(((
822 +(% style="color:blue" %)**Downlink:**
823 +)))
582 582  
583 583  (((
826 +Uplink channels 1-8 (RX1)
827 +)))
828 +
584 584  (((
830 +923.2 - SF10BW125 (RX2)
831 +)))
832 +
833 +
834 +
835 +=== 2.6.6  KR920-923 (KR920) ===
836 +
837 +(((
838 +(% style="color:blue" %)**Default channel:**
839 +)))
840 +
841 +(((
842 +922.1 - SF7BW125 to SF12BW125
843 +)))
844 +
845 +(((
846 +922.3 - SF7BW125 to SF12BW125
847 +)))
848 +
849 +(((
850 +922.5 - SF7BW125 to SF12BW125
851 +)))
852 +
853 +(((
585 585  
586 586  )))
856 +
857 +(((
858 +(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
587 587  )))
588 588  
589 -== 3.1  Access AT Commands ==
861 +(((
862 +922.1 - SF7BW125 to SF12BW125
863 +)))
590 590  
591 -LDDS20 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS20 for using AT command, as below.
865 +(((
866 +922.3 - SF7BW125 to SF12BW125
867 +)))
592 592  
869 +(((
870 +922.5 - SF7BW125 to SF12BW125
871 +)))
593 593  
594 -[[image:image-20220610172924-4.png||height="483" width="988"]]
873 +(((
874 +922.7 - SF7BW125 to SF12BW125
875 +)))
595 595  
877 +(((
878 +922.9 - SF7BW125 to SF12BW125
879 +)))
596 596  
597 -Or if you have below board, use below connection:
881 +(((
882 +923.1 - SF7BW125 to SF12BW125
883 +)))
598 598  
885 +(((
886 +923.3 - SF7BW125 to SF12BW125
887 +)))
599 599  
600 -[[image:image-20220610172924-5.png]]
889 +(((
890 +
891 +)))
601 601  
893 +(((
894 +(% style="color:blue" %)**Downlink:**
895 +)))
602 602  
603 603  (((
604 -In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS20. LDDS20 will output system info once power on as below:
898 +Uplink channels 1-7(RX1)
605 605  )))
606 606  
901 +(((
902 +921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
903 +)))
607 607  
608 - [[image:image-20220610172924-6.png||height="601" width="860"]]
609 609  
610 -Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]].
611 611  
907 +=== 2.6.7  IN865-867 (IN865) ===
612 612  
613 -AT+<CMD>?  :  Help on <CMD>
909 +(((
910 +(% style="color:blue" %)**Uplink:**
911 +)))
614 614  
615 -AT+<CMD>  :  Run <CMD>
913 +(((
914 +865.0625 - SF7BW125 to SF12BW125
915 +)))
616 616  
617 -AT+<CMD>=<value>  :  Set the value
917 +(((
918 +865.4025 - SF7BW125 to SF12BW125
919 +)))
618 618  
619 -AT+<CMD>=?  :  Get the value
921 +(((
922 +865.9850 - SF7BW125 to SF12BW125
923 +)))
620 620  
925 +(((
926 +
927 +)))
621 621  
622 -(% style="color:#037691" %)** General Commands :**     
929 +(((
930 +(% style="color:blue" %)**Downlink:**
931 +)))
623 623  
624 -AT  :  Attention       
933 +(((
934 +Uplink channels 1-3 (RX1)
935 +)))
625 625  
626 -AT?  :  Short Help     
937 +(((
938 +866.550 - SF10BW125 (RX2)
939 +)))
627 627  
628 -ATZ :  MCU Reset    
629 629  
630 -AT+TDC :  Application Data Transmission Interval 
631 631  
943 +== 2.7  LED Indicator ==
632 632  
633 -(% style="color:#037691" %)** Keys, IDs and EUIs management :**
945 +The LDDS75 has an internal LED which is to show the status of different state.
634 634  
635 -AT+APPEUI  :  Application EUI      
636 636  
637 -AT+APPKEY  :  Application Key     
948 +* Blink once when device power on.
949 +* The device detects the sensor and flashes 5 times.
950 +* Solid ON for 5 seconds once device successful Join the network.
951 +* Blink once when device transmit a packet.
638 638  
639 -AT+APPSKEY  :  Application Session Key
953 +== 2.8  ​Firmware Change Log ==
640 640  
641 -AT+DADDR :  Device Address     
642 642  
643 -AT+DEUI :  Device EUI     
956 +(((
957 +**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
958 +)))
644 644  
645 -AT+NWKID  :  Network ID (You can enter this command change only after successful network connection) 
960 +(((
961 +
962 +)))
646 646  
647 -AT+NWKSKEY  : Network Session Key Joining and sending date on LoRa network  
964 +(((
965 +**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
966 +)))
648 648  
649 -AT+CFM :  Confirm Mode       
650 650  
651 -AT+CFS :  Confirm Status       
652 652  
653 -AT+JOIN  :  Join LoRa? Network       
970 +== 2.9  Mechanical ==
654 654  
655 -AT+NJM  :  LoRa? Network Join Mode    
656 656  
657 -AT+NJS  :  LoRa? Network Join Status    
973 +[[image:image-20220610172003-1.png]]
658 658  
659 -AT+RECV  :  Print Last Received Data in Raw Format
660 660  
661 -AT+RECVB :  Print Last Received Data in Binary Format      
976 +[[image:image-20220610172003-2.png]]
662 662  
663 -AT+SEND  :  Send Text Data      
664 664  
665 -AT+SENB  :  Send Hexadecimal Data
666 666  
980 +== 2.10  Battery Analysis ==
667 667  
668 -(% style="color:#037691" %)** LoRa Network Management :**
982 +=== 2.10.1  Battery Type ===
669 669  
670 -AT+ADR  :  Adaptive Rate
984 +The LDDS75 battery is a combination of a 4000mAh or 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
671 671  
672 -AT+CLASS  :  LoRa Class(Currently only support class A
673 673  
674 -AT+DCS  :  Duty Cycle Setting 
987 +The battery related documents as below:
675 675  
676 -AT+DR  :  Data Rate (Can Only be Modified after ADR=0)     
989 +* (((
990 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
991 +)))
992 +* (((
993 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
994 +)))
995 +* (((
996 +[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
997 +)))
677 677  
678 -AT+FCD  :  Frame Counter Downlink       
999 + [[image:image-20220610172400-3.png]]
679 679  
680 -AT+FCU  :  Frame Counter Uplink   
681 681  
682 -AT+JN1DL  :  Join Accept Delay1
683 683  
684 -AT+JN2DL  :  Join Accept Delay2
1003 +=== 2.10.2  Replace the battery ===
685 685  
686 -AT+PNM  :  Public Network Mode   
1005 +(((
1006 +You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
1007 +)))
687 687  
688 -AT+RX1DL  :  Receive Delay1      
1009 +(((
1010 +
1011 +)))
689 689  
690 -AT+RX2DL  :  Receive Delay2      
1013 +(((
1014 +The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
1015 +)))
691 691  
692 -AT+RX2DR  :  Rx2 Window Data Rate 
693 693  
694 -AT+RX2FQ  :  Rx2 Window Frequency
695 695  
696 -AT+TXP  :  Transmit Power
1019 += 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
697 697  
1021 +(((
1022 +(((
1023 +Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
1024 +)))
1025 +)))
698 698  
699 -(% style="color:#037691" %)** Information :**
1027 +* (((
1028 +(((
1029 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
1030 +)))
1031 +)))
1032 +* (((
1033 +(((
1034 +LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1035 +)))
1036 +)))
700 700  
701 -AT+RSSI  :  RSSI of the Last Received Packet   
1038 +(((
1039 +(((
1040 +
1041 +)))
702 702  
703 -AT+SNR  :  SNR of the Last Received Packet   
1043 +(((
1044 +There are two kinds of commands to configure LDDS75, they are:
1045 +)))
1046 +)))
704 704  
705 -AT+VER  :  Image Version and Frequency Band       
1048 +* (((
1049 +(((
1050 +(% style="color:#4f81bd" %)** General Commands**.
1051 +)))
1052 +)))
706 706  
707 -AT+FDR  :  Factory Data Reset
1054 +(((
1055 +(((
1056 +These commands are to configure:
1057 +)))
1058 +)))
708 708  
709 -AT+PORT  :  Application Port    
1060 +* (((
1061 +(((
1062 +General system settings like: uplink interval.
1063 +)))
1064 +)))
1065 +* (((
1066 +(((
1067 +LoRaWAN protocol & radio related command.
1068 +)))
1069 +)))
710 710  
711 -AT+CHS  :  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1071 +(((
1072 +(((
1073 +They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
1074 +)))
1075 +)))
712 712  
713 - AT+CHE  :  Get or Set eight channels mode, Only for US915, AU915, CN470
1077 +(((
1078 +(((
1079 +
1080 +)))
1081 +)))
714 714  
1083 +* (((
1084 +(((
1085 +(% style="color:#4f81bd" %)** Commands special design for LDDS75**
1086 +)))
1087 +)))
715 715  
1089 +(((
1090 +(((
1091 +These commands only valid for LDDS75, as below:
1092 +)))
1093 +)))
716 716  
717 -== 3.2  Set Interrupt Mode ==
718 718  
1096 +
1097 +== 3.1  Access AT Commands ==
1098 +
1099 +LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
1100 +
1101 +[[image:image-20220610172924-4.png||height="483" width="988"]]
1102 +
1103 +
1104 +Or if you have below board, use below connection:
1105 +
1106 +
1107 +[[image:image-20220610172924-5.png]]
1108 +
1109 +
1110 +(((
1111 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
1112 +)))
1113 +
1114 +
1115 + [[image:image-20220610172924-6.png||height="601" width="860"]]
1116 +
1117 +
1118 +
1119 +== 3.2  Set Transmit Interval Time ==
1120 +
1121 +Feature: Change LoRaWAN End Node Transmit Interval.
1122 +
1123 +(% style="color:#037691" %)**AT Command: AT+TDC**
1124 +
1125 +[[image:image-20220610173409-7.png]]
1126 +
1127 +
1128 +(((
1129 +(% style="color:#037691" %)**Downlink Command: 0x01**
1130 +)))
1131 +
1132 +(((
1133 +(((
1134 +Format: Command Code (0x01) followed by 3 bytes time value.
1135 +
1136 +(((
1137 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1138 +)))
1139 +
1140 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1141 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1142 +)))
1143 +)))
1144 +
1145 +
1146 +
1147 +
1148 +
1149 +== 3.3  Set Interrupt Mode ==
1150 +
719 719  Feature, Set Interrupt mode for GPIO_EXIT.
720 720  
721 721  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
... ... @@ -734,23 +734,27 @@
734 734  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
735 735  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
736 736  
737 -
738 -
739 739  = 4.  FAQ =
740 740  
741 -== 4.1  What is the frequency plan for LDDS20? ==
1171 +== 4.1  What is the frequency plan for LDDS75? ==
742 742  
743 -LDDS20 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
1173 +LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
744 744  
745 745  
746 746  
747 747  == 4.2  How to change the LoRa Frequency Bands/Region ==
748 748  
749 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.7A0200BFirmwareChangeLog"]].
1179 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
750 750  When downloading the images, choose the required image file for download. ​
751 751  
752 752  
753 753  
1184 +== 4.3  Can I use LDDS75 in condensation environment? ==
1185 +
1186 +LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1187 +
1188 +
1189 +
754 754  = 5.  Trouble Shooting =
755 755  
756 756  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
... ... @@ -770,7 +770,7 @@
770 770  = 6.  Order Info =
771 771  
772 772  
773 -Part Number **:** (% style="color:blue" %)**LDDS20-XX**
1209 +Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
774 774  
775 775  
776 776  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
... ... @@ -784,20 +784,18 @@
784 784  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
785 785  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
786 786  
1223 +(% style="color:blue" %)**YY**(%%): Battery Option
787 787  
1225 +* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1226 +* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1227 +
788 788  = 7. ​ Packing Info =
789 789  
790 790  
791 791  **Package Includes**:
792 792  
793 -* LDDS20 LoRaWAN Liquid Level Sensor x 1
1233 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
794 794  
795 -
796 -(% style="color:red" %)**Note:**
797 -
798 -(% style="color:red" %)**Ultrasonic coupling paste**(%%) and(% style="color:red" %)** Eproxy AB glue**(%%) are subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
799 -
800 -
801 801  **Dimension and weight**:
802 802  
803 803  * Device Size: cm
... ... @@ -805,7 +805,6 @@
805 805  * Package Size / pcs : cm
806 806  * Weight / pcs : g
807 807  
808 -
809 809  = 8.  ​Support =
810 810  
811 811  * 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.
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