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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 173.5
edited by Xiaoling
on 2022/06/15 10:15
Change comment: There is no comment for this version
To version 173.2
edited by Xiaoling
on 2022/06/15 10:10
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -100,6 +100,7 @@
100 100  * IP66 Waterproof Enclosure
101 101  * 8500mAh Battery for long term use
102 102  
103 +
103 103  == 1.3  Suitable Container & Liquid ==
104 104  
105 105  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -109,6 +109,7 @@
109 109  ** Pure non metal material: <10 mm
110 110  * Pure liquid without irregular deposition.
111 111  
113 +
112 112  == 1.4  Mechanical ==
113 113  
114 114  [[image:image-20220615090910-1.png]]
... ... @@ -198,6 +198,8 @@
198 198  * Smart liquid control solution.
199 199  * Smart liquefied gas solution.
200 200  
203 +
204 +
201 201  == 1.7  Precautions ==
202 202  
203 203  * 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.
... ... @@ -204,6 +204,8 @@
204 204  * 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.
205 205  * 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.
206 206  
211 +
212 +
207 207  == 1.8  Pin mapping and power on ==
208 208  
209 209  
... ... @@ -362,6 +362,8 @@
362 362  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
363 363  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
364 364  
371 +
372 +
365 365  === 2.3.3  Interrupt Pin ===
366 366  
367 367  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.
... ... @@ -425,7 +425,7 @@
425 425  **Examples:**
426 426  
427 427  
428 -* (% style="color:blue" %)**Set TDC**
436 +* **Set TDC**
429 429  
430 430  If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
431 431  
... ... @@ -434,12 +434,12 @@
434 434  Payload:    01 00 00 3C    TDC=60S
435 435  
436 436  
437 -* (% style="color:blue" %)**Reset**
445 +* **Reset**
438 438  
439 439  If payload = 0x04FF, it will reset the LDDS20
440 440  
441 441  
442 -* (% style="color:blue" %)**CFM**
450 +* **CFM**
443 443  
444 444  Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
445 445  
... ... @@ -472,7 +472,7 @@
472 472  
473 473  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
474 474  
475 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
483 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
476 476  
477 477  [[image:1654851029373-510.png]]
478 478  
... ... @@ -483,19 +483,484 @@
483 483  
484 484  
485 485  
486 -== 2.6  LED Indicator ==
494 +== 2.6  Frequency Plans ==
487 487  
488 -The LDDS20 has an internal LED which is to show the status of different state.
496 +(((
497 +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.
498 +)))
489 489  
490 490  
491 -* Blink once when device power on.
492 -* The device detects the sensor and flashes 5 times.
493 -* Solid ON for 5 seconds once device successful Join the network.
494 494  
495 -Blink once when device transmit a packet.
502 +=== 2.6.1  EU863-870 (EU868) ===
496 496  
504 +(((
505 +(% style="color:blue" %)**Uplink:**
506 +)))
497 497  
508 +(((
509 +868.1 - SF7BW125 to SF12BW125
510 +)))
498 498  
512 +(((
513 +868.3 - SF7BW125 to SF12BW125 and SF7BW250
514 +)))
515 +
516 +(((
517 +868.5 - SF7BW125 to SF12BW125
518 +)))
519 +
520 +(((
521 +867.1 - SF7BW125 to SF12BW125
522 +)))
523 +
524 +(((
525 +867.3 - SF7BW125 to SF12BW125
526 +)))
527 +
528 +(((
529 +867.5 - SF7BW125 to SF12BW125
530 +)))
531 +
532 +(((
533 +867.7 - SF7BW125 to SF12BW125
534 +)))
535 +
536 +(((
537 +867.9 - SF7BW125 to SF12BW125
538 +)))
539 +
540 +(((
541 +868.8 - FSK
542 +)))
543 +
544 +(((
545 +
546 +)))
547 +
548 +(((
549 +(% style="color:blue" %)**Downlink:**
550 +)))
551 +
552 +(((
553 +Uplink channels 1-9 (RX1)
554 +)))
555 +
556 +(((
557 +869.525 - SF9BW125 (RX2 downlink only)
558 +)))
559 +
560 +
561 +
562 +=== 2.6.2  US902-928(US915) ===
563 +
564 +(((
565 +Used in USA, Canada and South America. Default use CHE=2
566 +
567 +(% style="color:blue" %)**Uplink:**
568 +
569 +903.9 - SF7BW125 to SF10BW125
570 +
571 +904.1 - SF7BW125 to SF10BW125
572 +
573 +904.3 - SF7BW125 to SF10BW125
574 +
575 +904.5 - SF7BW125 to SF10BW125
576 +
577 +904.7 - SF7BW125 to SF10BW125
578 +
579 +904.9 - SF7BW125 to SF10BW125
580 +
581 +905.1 - SF7BW125 to SF10BW125
582 +
583 +905.3 - SF7BW125 to SF10BW125
584 +
585 +
586 +(% style="color:blue" %)**Downlink:**
587 +
588 +923.3 - SF7BW500 to SF12BW500
589 +
590 +923.9 - SF7BW500 to SF12BW500
591 +
592 +924.5 - SF7BW500 to SF12BW500
593 +
594 +925.1 - SF7BW500 to SF12BW500
595 +
596 +925.7 - SF7BW500 to SF12BW500
597 +
598 +926.3 - SF7BW500 to SF12BW500
599 +
600 +926.9 - SF7BW500 to SF12BW500
601 +
602 +927.5 - SF7BW500 to SF12BW500
603 +
604 +923.3 - SF12BW500(RX2 downlink only)
605 +
606 +
607 +
608 +)))
609 +
610 +=== 2.6.3  CN470-510 (CN470) ===
611 +
612 +(((
613 +Used in China, Default use CHE=1
614 +)))
615 +
616 +(((
617 +(% style="color:blue" %)**Uplink:**
618 +)))
619 +
620 +(((
621 +486.3 - SF7BW125 to SF12BW125
622 +)))
623 +
624 +(((
625 +486.5 - SF7BW125 to SF12BW125
626 +)))
627 +
628 +(((
629 +486.7 - SF7BW125 to SF12BW125
630 +)))
631 +
632 +(((
633 +486.9 - SF7BW125 to SF12BW125
634 +)))
635 +
636 +(((
637 +487.1 - SF7BW125 to SF12BW125
638 +)))
639 +
640 +(((
641 +487.3 - SF7BW125 to SF12BW125
642 +)))
643 +
644 +(((
645 +487.5 - SF7BW125 to SF12BW125
646 +)))
647 +
648 +(((
649 +487.7 - SF7BW125 to SF12BW125
650 +)))
651 +
652 +(((
653 +
654 +)))
655 +
656 +(((
657 +(% style="color:blue" %)**Downlink:**
658 +)))
659 +
660 +(((
661 +506.7 - SF7BW125 to SF12BW125
662 +)))
663 +
664 +(((
665 +506.9 - SF7BW125 to SF12BW125
666 +)))
667 +
668 +(((
669 +507.1 - SF7BW125 to SF12BW125
670 +)))
671 +
672 +(((
673 +507.3 - SF7BW125 to SF12BW125
674 +)))
675 +
676 +(((
677 +507.5 - SF7BW125 to SF12BW125
678 +)))
679 +
680 +(((
681 +507.7 - SF7BW125 to SF12BW125
682 +)))
683 +
684 +(((
685 +507.9 - SF7BW125 to SF12BW125
686 +)))
687 +
688 +(((
689 +508.1 - SF7BW125 to SF12BW125
690 +)))
691 +
692 +(((
693 +505.3 - SF12BW125 (RX2 downlink only)
694 +)))
695 +
696 +
697 +
698 +=== 2.6.4  AU915-928(AU915) ===
699 +
700 +(((
701 +Default use CHE=2
702 +
703 +(% style="color:blue" %)**Uplink:**
704 +
705 +916.8 - SF7BW125 to SF12BW125
706 +
707 +917.0 - SF7BW125 to SF12BW125
708 +
709 +917.2 - SF7BW125 to SF12BW125
710 +
711 +917.4 - SF7BW125 to SF12BW125
712 +
713 +917.6 - SF7BW125 to SF12BW125
714 +
715 +917.8 - SF7BW125 to SF12BW125
716 +
717 +918.0 - SF7BW125 to SF12BW125
718 +
719 +918.2 - SF7BW125 to SF12BW125
720 +
721 +
722 +(% style="color:blue" %)**Downlink:**
723 +
724 +923.3 - SF7BW500 to SF12BW500
725 +
726 +923.9 - SF7BW500 to SF12BW500
727 +
728 +924.5 - SF7BW500 to SF12BW500
729 +
730 +925.1 - SF7BW500 to SF12BW500
731 +
732 +925.7 - SF7BW500 to SF12BW500
733 +
734 +926.3 - SF7BW500 to SF12BW500
735 +
736 +926.9 - SF7BW500 to SF12BW500
737 +
738 +927.5 - SF7BW500 to SF12BW500
739 +
740 +923.3 - SF12BW500(RX2 downlink only)
741 +
742 +
743 +
744 +)))
745 +
746 +=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
747 +
748 +(((
749 +(% style="color:blue" %)**Default Uplink channel:**
750 +)))
751 +
752 +(((
753 +923.2 - SF7BW125 to SF10BW125
754 +)))
755 +
756 +(((
757 +923.4 - SF7BW125 to SF10BW125
758 +)))
759 +
760 +(((
761 +
762 +)))
763 +
764 +(((
765 +(% style="color:blue" %)**Additional Uplink Channel**:
766 +)))
767 +
768 +(((
769 +(OTAA mode, channel added by JoinAccept message)
770 +)))
771 +
772 +(((
773 +
774 +)))
775 +
776 +(((
777 +(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
778 +)))
779 +
780 +(((
781 +922.2 - SF7BW125 to SF10BW125
782 +)))
783 +
784 +(((
785 +922.4 - SF7BW125 to SF10BW125
786 +)))
787 +
788 +(((
789 +922.6 - SF7BW125 to SF10BW125
790 +)))
791 +
792 +(((
793 +922.8 - SF7BW125 to SF10BW125
794 +)))
795 +
796 +(((
797 +923.0 - SF7BW125 to SF10BW125
798 +)))
799 +
800 +(((
801 +922.0 - SF7BW125 to SF10BW125
802 +)))
803 +
804 +(((
805 +
806 +)))
807 +
808 +(((
809 +(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
810 +)))
811 +
812 +(((
813 +923.6 - SF7BW125 to SF10BW125
814 +)))
815 +
816 +(((
817 +923.8 - SF7BW125 to SF10BW125
818 +)))
819 +
820 +(((
821 +924.0 - SF7BW125 to SF10BW125
822 +)))
823 +
824 +(((
825 +924.2 - SF7BW125 to SF10BW125
826 +)))
827 +
828 +(((
829 +924.4 - SF7BW125 to SF10BW125
830 +)))
831 +
832 +(((
833 +924.6 - SF7BW125 to SF10BW125
834 +)))
835 +
836 +(((
837 +
838 +)))
839 +
840 +(((
841 +(% style="color:blue" %)**Downlink:**
842 +)))
843 +
844 +(((
845 +Uplink channels 1-8 (RX1)
846 +)))
847 +
848 +(((
849 +923.2 - SF10BW125 (RX2)
850 +)))
851 +
852 +
853 +
854 +=== 2.6.6  KR920-923 (KR920) ===
855 +
856 +(((
857 +(% style="color:blue" %)**Default channel:**
858 +)))
859 +
860 +(((
861 +922.1 - SF7BW125 to SF12BW125
862 +)))
863 +
864 +(((
865 +922.3 - SF7BW125 to SF12BW125
866 +)))
867 +
868 +(((
869 +922.5 - SF7BW125 to SF12BW125
870 +)))
871 +
872 +(((
873 +
874 +)))
875 +
876 +(((
877 +(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
878 +)))
879 +
880 +(((
881 +922.1 - SF7BW125 to SF12BW125
882 +)))
883 +
884 +(((
885 +922.3 - SF7BW125 to SF12BW125
886 +)))
887 +
888 +(((
889 +922.5 - SF7BW125 to SF12BW125
890 +)))
891 +
892 +(((
893 +922.7 - SF7BW125 to SF12BW125
894 +)))
895 +
896 +(((
897 +922.9 - SF7BW125 to SF12BW125
898 +)))
899 +
900 +(((
901 +923.1 - SF7BW125 to SF12BW125
902 +)))
903 +
904 +(((
905 +923.3 - SF7BW125 to SF12BW125
906 +)))
907 +
908 +(((
909 +
910 +)))
911 +
912 +(((
913 +(% style="color:blue" %)**Downlink:**
914 +)))
915 +
916 +(((
917 +Uplink channels 1-7(RX1)
918 +)))
919 +
920 +(((
921 +921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
922 +)))
923 +
924 +
925 +
926 +=== 2.6.7  IN865-867 (IN865) ===
927 +
928 +(((
929 +(% style="color:blue" %)**Uplink:**
930 +)))
931 +
932 +(((
933 +865.0625 - SF7BW125 to SF12BW125
934 +)))
935 +
936 +(((
937 +865.4025 - SF7BW125 to SF12BW125
938 +)))
939 +
940 +(((
941 +865.9850 - SF7BW125 to SF12BW125
942 +)))
943 +
944 +(((
945 +
946 +)))
947 +
948 +(((
949 +(% style="color:blue" %)**Downlink:**
950 +)))
951 +
952 +(((
953 +Uplink channels 1-3 (RX1)
954 +)))
955 +
956 +(((
957 +866.550 - SF10BW125 (RX2)
958 +)))
959 +
960 +
961 +
962 +== 2.7  LED Indicator ==
963 +
964 +The LDDS75 has an internal LED which is to show the status of different state.
965 +
966 +
967 +* Blink once when device power on.
968 +* The device detects the sensor and flashes 5 times.
969 +* Solid ON for 5 seconds once device successful Join the network.
970 +* Blink once when device transmit a packet.
971 +
499 499  == 2.8  ​Firmware Change Log ==
500 500  
501 501