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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 172.7
edited by Xiaoling
on 2022/06/15 09:58
Change comment: There is no comment for this version
To version 173.5
edited by Xiaoling
on 2022/06/15 10:15
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -100,8 +100,6 @@
100 100  * IP66 Waterproof Enclosure
101 101  * 8500mAh Battery for long term use
102 102  
103 -
104 -
105 105  == 1.3  Suitable Container & Liquid ==
106 106  
107 107  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -111,8 +111,6 @@
111 111  ** Pure non metal material: <10 mm
112 112  * Pure liquid without irregular deposition.
113 113  
114 -
115 -
116 116  == 1.4  Mechanical ==
117 117  
118 118  [[image:image-20220615090910-1.png]]
... ... @@ -202,9 +202,6 @@
202 202  * Smart liquid control solution.
203 203  * Smart liquefied gas solution.
204 204  
205 -
206 -
207 -
208 208  == 1.7  Precautions ==
209 209  
210 210  * At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights.
... ... @@ -211,9 +211,6 @@
211 211  * For containers of the same material at room temperature, the detection blind zone and detection limit height are also different for the thickness of the container.
212 212  * When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.
213 213  
214 -
215 -
216 -
217 217  == 1.8  Pin mapping and power on ==
218 218  
219 219  
... ... @@ -227,7 +227,7 @@
227 227  == 2.1  How it works ==
228 228  
229 229  (((
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.
220 +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.
231 231  )))
232 232  
233 233  (((
... ... @@ -321,7 +321,7 @@
321 321  
322 322  (((
323 323  (((
324 -LDDS20 will uplink payload via LoRaWAN with below payload format:
314 +LDDS20 will uplink payload via LoRaWAN with below payload format: 
325 325  
326 326  Uplink payload includes in total 8 bytes.
327 327  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).
... ... @@ -372,12 +372,9 @@
372 372  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
373 373  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
374 374  
375 -
376 -
377 -
378 378  === 2.3.3  Interrupt Pin ===
379 379  
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.
367 +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.
381 381  
382 382  **Example:**
383 383  
... ... @@ -423,533 +423,92 @@
423 423  The payload decoder function for TTN V3 is here:
424 424  
425 425  (((
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/]]
413 +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/]]
427 427  )))
428 428  
429 429  
430 430  
431 -== 2.4  Uplink Interval ==
418 +== 2.4  Downlink Payload ==
432 432  
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"]]
420 +By default, LDDS20 prints the downlink payload to console port.
434 434  
422 +[[image:image-20220615100930-15.png]]
435 435  
436 436  
437 -== 2.5  ​Show Data in DataCake IoT Server ==
425 +**Examples:**
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 -)))
442 442  
443 -(((
444 -
445 -)))
428 +* (% style="color:blue" %)**Set TDC**
446 446  
447 -(((
448 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
449 -)))
430 +If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
450 450  
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 -)))
432 +Payload:    01 00 00 1E    TDC=30S
454 454  
434 +Payload:    01 00 00 3C    TDC=60S
455 455  
456 -[[image:1654592790040-760.png]]
457 457  
437 +* (% style="color:blue" %)**Reset**
458 458  
459 -[[image:1654592800389-571.png]]
439 +If payload = 0x04FF, it will reset the LDDS20
460 460  
461 461  
462 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
442 +* (% style="color:blue" %)**CFM**
463 463  
464 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
444 +Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
465 465  
466 -[[image:1654851029373-510.png]]
467 467  
468 468  
469 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
448 +== 2.5  ​Show Data in DataCake IoT Server ==
470 470  
471 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
472 -
473 -
474 -
475 -== 2.6  Frequency Plans ==
476 -
477 477  (((
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.
451 +[[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:
479 479  )))
480 480  
481 -
482 -
483 -=== 2.6.1  EU863-870 (EU868) ===
484 -
485 485  (((
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 -(((
526 526  
527 527  )))
528 528  
529 529  (((
530 -(% style="color:blue" %)**Downlink:**
459 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
531 531  )))
532 532  
533 533  (((
534 -Uplink channels 1-9 (RX1)
463 +(% 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:**
535 535  )))
536 536  
537 -(((
538 -869.525 - SF9BW125 (RX2 downlink only)
539 -)))
540 540  
467 +[[image:1654592790040-760.png]]
541 541  
542 542  
543 -=== 2.6.2  US902-928(US915) ===
470 +[[image:1654592800389-571.png]]
544 544  
545 -(((
546 -Used in USA, Canada and South America. Default use CHE=2
547 547  
548 -(% style="color:blue" %)**Uplink:**
473 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
549 549  
550 -903.9 - SF7BW125 to SF10BW125
475 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
551 551  
552 -904.1 - SF7BW125 to SF10BW125
477 +[[image:1654851029373-510.png]]
553 553  
554 -904.3 - SF7BW125 to SF10BW125
555 555  
556 -904.5 - SF7BW125 to SF10BW125
480 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
557 557  
558 -904.7 - SF7BW125 to SF10BW125
482 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
559 559  
560 -904.9 - SF7BW125 to SF10BW125
561 561  
562 -905.1 - SF7BW125 to SF10BW125
563 563  
564 -905.3 - SF7BW125 to SF10BW125
486 +== 2.6  LED Indicator ==
565 565  
488 +The LDDS20 has an internal LED which is to show the status of different state.
566 566  
567 -(% style="color:blue" %)**Downlink:**
568 568  
569 -923.3 - SF7BW500 to SF12BW500
570 -
571 -923.9 - SF7BW500 to SF12BW500
572 -
573 -924.5 - SF7BW500 to SF12BW500
574 -
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 -
593 -(((
594 -Used in China, Default use CHE=1
595 -)))
596 -
597 -(((
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 -(((
634 -
635 -)))
636 -
637 -(((
638 -(% style="color:blue" %)**Downlink:**
639 -)))
640 -
641 -(((
642 -506.7 - SF7BW125 to SF12BW125
643 -)))
644 -
645 -(((
646 -506.9 - SF7BW125 to SF12BW125
647 -)))
648 -
649 -(((
650 -507.1 - SF7BW125 to SF12BW125
651 -)))
652 -
653 -(((
654 -507.3 - SF7BW125 to SF12BW125
655 -)))
656 -
657 -(((
658 -507.5 - SF7BW125 to SF12BW125
659 -)))
660 -
661 -(((
662 -507.7 - SF7BW125 to SF12BW125
663 -)))
664 -
665 -(((
666 -507.9 - SF7BW125 to SF12BW125
667 -)))
668 -
669 -(((
670 -508.1 - SF7BW125 to SF12BW125
671 -)))
672 -
673 -(((
674 -505.3 - SF12BW125 (RX2 downlink only)
675 -)))
676 -
677 -
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 -
725 -)))
726 -
727 -=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
728 -
729 -(((
730 -(% style="color:blue" %)**Default Uplink channel:**
731 -)))
732 -
733 -(((
734 -923.2 - SF7BW125 to SF10BW125
735 -)))
736 -
737 -(((
738 -923.4 - SF7BW125 to SF10BW125
739 -)))
740 -
741 -(((
742 -
743 -)))
744 -
745 -(((
746 -(% style="color:blue" %)**Additional Uplink Channel**:
747 -)))
748 -
749 -(((
750 -(OTAA mode, channel added by JoinAccept message)
751 -)))
752 -
753 -(((
754 -
755 -)))
756 -
757 -(((
758 -(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
759 -)))
760 -
761 -(((
762 -922.2 - SF7BW125 to SF10BW125
763 -)))
764 -
765 -(((
766 -922.4 - SF7BW125 to SF10BW125
767 -)))
768 -
769 -(((
770 -922.6 - SF7BW125 to SF10BW125
771 -)))
772 -
773 -(((
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 -(((
786 -
787 -)))
788 -
789 -(((
790 -(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
791 -)))
792 -
793 -(((
794 -923.6 - SF7BW125 to SF10BW125
795 -)))
796 -
797 -(((
798 -923.8 - SF7BW125 to SF10BW125
799 -)))
800 -
801 -(((
802 -924.0 - SF7BW125 to SF10BW125
803 -)))
804 -
805 -(((
806 -924.2 - SF7BW125 to SF10BW125
807 -)))
808 -
809 -(((
810 -924.4 - SF7BW125 to SF10BW125
811 -)))
812 -
813 -(((
814 -924.6 - SF7BW125 to SF10BW125
815 -)))
816 -
817 -(((
818 -
819 -)))
820 -
821 -(((
822 -(% style="color:blue" %)**Downlink:**
823 -)))
824 -
825 -(((
826 -Uplink channels 1-8 (RX1)
827 -)))
828 -
829 -(((
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 -(((
854 -
855 -)))
856 -
857 -(((
858 -(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
859 -)))
860 -
861 -(((
862 -922.1 - SF7BW125 to SF12BW125
863 -)))
864 -
865 -(((
866 -922.3 - SF7BW125 to SF12BW125
867 -)))
868 -
869 -(((
870 -922.5 - SF7BW125 to SF12BW125
871 -)))
872 -
873 -(((
874 -922.7 - SF7BW125 to SF12BW125
875 -)))
876 -
877 -(((
878 -922.9 - SF7BW125 to SF12BW125
879 -)))
880 -
881 -(((
882 -923.1 - SF7BW125 to SF12BW125
883 -)))
884 -
885 -(((
886 -923.3 - SF7BW125 to SF12BW125
887 -)))
888 -
889 -(((
890 -
891 -)))
892 -
893 -(((
894 -(% style="color:blue" %)**Downlink:**
895 -)))
896 -
897 -(((
898 -Uplink channels 1-7(RX1)
899 -)))
900 -
901 -(((
902 -921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
903 -)))
904 -
905 -
906 -
907 -=== 2.6.7  IN865-867 (IN865) ===
908 -
909 -(((
910 -(% style="color:blue" %)**Uplink:**
911 -)))
912 -
913 -(((
914 -865.0625 - SF7BW125 to SF12BW125
915 -)))
916 -
917 -(((
918 -865.4025 - SF7BW125 to SF12BW125
919 -)))
920 -
921 -(((
922 -865.9850 - SF7BW125 to SF12BW125
923 -)))
924 -
925 -(((
926 -
927 -)))
928 -
929 -(((
930 -(% style="color:blue" %)**Downlink:**
931 -)))
932 -
933 -(((
934 -Uplink channels 1-3 (RX1)
935 -)))
936 -
937 -(((
938 -866.550 - SF10BW125 (RX2)
939 -)))
940 -
941 -
942 -
943 -== 2.7  LED Indicator ==
944 -
945 -The LDDS75 has an internal LED which is to show the status of different state.
946 -
947 -
948 948  * Blink once when device power on.
949 949  * The device detects the sensor and flashes 5 times.
950 950  * Solid ON for 5 seconds once device successful Join the network.
951 -* Blink once when device transmit a packet.
952 952  
495 +Blink once when device transmit a packet.
496 +
497 +
498 +
953 953  == 2.8  ​Firmware Change Log ==
954 954  
955 955  
image-20220615100930-15.png
Author
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