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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 173.6
edited by Xiaoling
on 2022/06/15 10:15
Change comment: There is no comment for this version
To version 173.3
edited by Xiaoling
on 2022/06/15 10:11
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -198,6 +198,7 @@
198 198  * Smart liquid control solution.
199 199  * Smart liquefied gas solution.
200 200  
201 +
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 +204,7 @@
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  
208 +
207 207  == 1.8  Pin mapping and power on ==
208 208  
209 209  
... ... @@ -362,6 +362,7 @@
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  
367 +
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.
... ... @@ -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)(%%)**
478 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
476 476  
477 477  [[image:1654851029373-510.png]]
478 478  
... ... @@ -483,18 +483,484 @@
483 483  
484 484  
485 485  
486 -== 2.6  LED Indicator ==
489 +== 2.6  Frequency Plans ==
487 487  
488 -The LDDS20 has an internal LED which is to show the status of different state.
491 +(((
492 +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.
493 +)))
489 489  
490 490  
496 +
497 +=== 2.6.1  EU863-870 (EU868) ===
498 +
499 +(((
500 +(% style="color:blue" %)**Uplink:**
501 +)))
502 +
503 +(((
504 +868.1 - SF7BW125 to SF12BW125
505 +)))
506 +
507 +(((
508 +868.3 - SF7BW125 to SF12BW125 and SF7BW250
509 +)))
510 +
511 +(((
512 +868.5 - SF7BW125 to SF12BW125
513 +)))
514 +
515 +(((
516 +867.1 - SF7BW125 to SF12BW125
517 +)))
518 +
519 +(((
520 +867.3 - SF7BW125 to SF12BW125
521 +)))
522 +
523 +(((
524 +867.5 - SF7BW125 to SF12BW125
525 +)))
526 +
527 +(((
528 +867.7 - SF7BW125 to SF12BW125
529 +)))
530 +
531 +(((
532 +867.9 - SF7BW125 to SF12BW125
533 +)))
534 +
535 +(((
536 +868.8 - FSK
537 +)))
538 +
539 +(((
540 +
541 +)))
542 +
543 +(((
544 +(% style="color:blue" %)**Downlink:**
545 +)))
546 +
547 +(((
548 +Uplink channels 1-9 (RX1)
549 +)))
550 +
551 +(((
552 +869.525 - SF9BW125 (RX2 downlink only)
553 +)))
554 +
555 +
556 +
557 +=== 2.6.2  US902-928(US915) ===
558 +
559 +(((
560 +Used in USA, Canada and South America. Default use CHE=2
561 +
562 +(% style="color:blue" %)**Uplink:**
563 +
564 +903.9 - SF7BW125 to SF10BW125
565 +
566 +904.1 - SF7BW125 to SF10BW125
567 +
568 +904.3 - SF7BW125 to SF10BW125
569 +
570 +904.5 - SF7BW125 to SF10BW125
571 +
572 +904.7 - SF7BW125 to SF10BW125
573 +
574 +904.9 - SF7BW125 to SF10BW125
575 +
576 +905.1 - SF7BW125 to SF10BW125
577 +
578 +905.3 - SF7BW125 to SF10BW125
579 +
580 +
581 +(% style="color:blue" %)**Downlink:**
582 +
583 +923.3 - SF7BW500 to SF12BW500
584 +
585 +923.9 - SF7BW500 to SF12BW500
586 +
587 +924.5 - SF7BW500 to SF12BW500
588 +
589 +925.1 - SF7BW500 to SF12BW500
590 +
591 +925.7 - SF7BW500 to SF12BW500
592 +
593 +926.3 - SF7BW500 to SF12BW500
594 +
595 +926.9 - SF7BW500 to SF12BW500
596 +
597 +927.5 - SF7BW500 to SF12BW500
598 +
599 +923.3 - SF12BW500(RX2 downlink only)
600 +
601 +
602 +
603 +)))
604 +
605 +=== 2.6.3  CN470-510 (CN470) ===
606 +
607 +(((
608 +Used in China, Default use CHE=1
609 +)))
610 +
611 +(((
612 +(% style="color:blue" %)**Uplink:**
613 +)))
614 +
615 +(((
616 +486.3 - SF7BW125 to SF12BW125
617 +)))
618 +
619 +(((
620 +486.5 - SF7BW125 to SF12BW125
621 +)))
622 +
623 +(((
624 +486.7 - SF7BW125 to SF12BW125
625 +)))
626 +
627 +(((
628 +486.9 - SF7BW125 to SF12BW125
629 +)))
630 +
631 +(((
632 +487.1 - SF7BW125 to SF12BW125
633 +)))
634 +
635 +(((
636 +487.3 - SF7BW125 to SF12BW125
637 +)))
638 +
639 +(((
640 +487.5 - SF7BW125 to SF12BW125
641 +)))
642 +
643 +(((
644 +487.7 - SF7BW125 to SF12BW125
645 +)))
646 +
647 +(((
648 +
649 +)))
650 +
651 +(((
652 +(% style="color:blue" %)**Downlink:**
653 +)))
654 +
655 +(((
656 +506.7 - SF7BW125 to SF12BW125
657 +)))
658 +
659 +(((
660 +506.9 - SF7BW125 to SF12BW125
661 +)))
662 +
663 +(((
664 +507.1 - SF7BW125 to SF12BW125
665 +)))
666 +
667 +(((
668 +507.3 - SF7BW125 to SF12BW125
669 +)))
670 +
671 +(((
672 +507.5 - SF7BW125 to SF12BW125
673 +)))
674 +
675 +(((
676 +507.7 - SF7BW125 to SF12BW125
677 +)))
678 +
679 +(((
680 +507.9 - SF7BW125 to SF12BW125
681 +)))
682 +
683 +(((
684 +508.1 - SF7BW125 to SF12BW125
685 +)))
686 +
687 +(((
688 +505.3 - SF12BW125 (RX2 downlink only)
689 +)))
690 +
691 +
692 +
693 +=== 2.6.4  AU915-928(AU915) ===
694 +
695 +(((
696 +Default use CHE=2
697 +
698 +(% style="color:blue" %)**Uplink:**
699 +
700 +916.8 - SF7BW125 to SF12BW125
701 +
702 +917.0 - SF7BW125 to SF12BW125
703 +
704 +917.2 - SF7BW125 to SF12BW125
705 +
706 +917.4 - SF7BW125 to SF12BW125
707 +
708 +917.6 - SF7BW125 to SF12BW125
709 +
710 +917.8 - SF7BW125 to SF12BW125
711 +
712 +918.0 - SF7BW125 to SF12BW125
713 +
714 +918.2 - SF7BW125 to SF12BW125
715 +
716 +
717 +(% style="color:blue" %)**Downlink:**
718 +
719 +923.3 - SF7BW500 to SF12BW500
720 +
721 +923.9 - SF7BW500 to SF12BW500
722 +
723 +924.5 - SF7BW500 to SF12BW500
724 +
725 +925.1 - SF7BW500 to SF12BW500
726 +
727 +925.7 - SF7BW500 to SF12BW500
728 +
729 +926.3 - SF7BW500 to SF12BW500
730 +
731 +926.9 - SF7BW500 to SF12BW500
732 +
733 +927.5 - SF7BW500 to SF12BW500
734 +
735 +923.3 - SF12BW500(RX2 downlink only)
736 +
737 +
738 +
739 +)))
740 +
741 +=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
742 +
743 +(((
744 +(% style="color:blue" %)**Default Uplink channel:**
745 +)))
746 +
747 +(((
748 +923.2 - SF7BW125 to SF10BW125
749 +)))
750 +
751 +(((
752 +923.4 - SF7BW125 to SF10BW125
753 +)))
754 +
755 +(((
756 +
757 +)))
758 +
759 +(((
760 +(% style="color:blue" %)**Additional Uplink Channel**:
761 +)))
762 +
763 +(((
764 +(OTAA mode, channel added by JoinAccept message)
765 +)))
766 +
767 +(((
768 +
769 +)))
770 +
771 +(((
772 +(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
773 +)))
774 +
775 +(((
776 +922.2 - SF7BW125 to SF10BW125
777 +)))
778 +
779 +(((
780 +922.4 - SF7BW125 to SF10BW125
781 +)))
782 +
783 +(((
784 +922.6 - SF7BW125 to SF10BW125
785 +)))
786 +
787 +(((
788 +922.8 - SF7BW125 to SF10BW125
789 +)))
790 +
791 +(((
792 +923.0 - SF7BW125 to SF10BW125
793 +)))
794 +
795 +(((
796 +922.0 - SF7BW125 to SF10BW125
797 +)))
798 +
799 +(((
800 +
801 +)))
802 +
803 +(((
804 +(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
805 +)))
806 +
807 +(((
808 +923.6 - SF7BW125 to SF10BW125
809 +)))
810 +
811 +(((
812 +923.8 - SF7BW125 to SF10BW125
813 +)))
814 +
815 +(((
816 +924.0 - SF7BW125 to SF10BW125
817 +)))
818 +
819 +(((
820 +924.2 - SF7BW125 to SF10BW125
821 +)))
822 +
823 +(((
824 +924.4 - SF7BW125 to SF10BW125
825 +)))
826 +
827 +(((
828 +924.6 - SF7BW125 to SF10BW125
829 +)))
830 +
831 +(((
832 +
833 +)))
834 +
835 +(((
836 +(% style="color:blue" %)**Downlink:**
837 +)))
838 +
839 +(((
840 +Uplink channels 1-8 (RX1)
841 +)))
842 +
843 +(((
844 +923.2 - SF10BW125 (RX2)
845 +)))
846 +
847 +
848 +
849 +=== 2.6.6  KR920-923 (KR920) ===
850 +
851 +(((
852 +(% style="color:blue" %)**Default channel:**
853 +)))
854 +
855 +(((
856 +922.1 - SF7BW125 to SF12BW125
857 +)))
858 +
859 +(((
860 +922.3 - SF7BW125 to SF12BW125
861 +)))
862 +
863 +(((
864 +922.5 - SF7BW125 to SF12BW125
865 +)))
866 +
867 +(((
868 +
869 +)))
870 +
871 +(((
872 +(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
873 +)))
874 +
875 +(((
876 +922.1 - SF7BW125 to SF12BW125
877 +)))
878 +
879 +(((
880 +922.3 - SF7BW125 to SF12BW125
881 +)))
882 +
883 +(((
884 +922.5 - SF7BW125 to SF12BW125
885 +)))
886 +
887 +(((
888 +922.7 - SF7BW125 to SF12BW125
889 +)))
890 +
891 +(((
892 +922.9 - SF7BW125 to SF12BW125
893 +)))
894 +
895 +(((
896 +923.1 - SF7BW125 to SF12BW125
897 +)))
898 +
899 +(((
900 +923.3 - SF7BW125 to SF12BW125
901 +)))
902 +
903 +(((
904 +
905 +)))
906 +
907 +(((
908 +(% style="color:blue" %)**Downlink:**
909 +)))
910 +
911 +(((
912 +Uplink channels 1-7(RX1)
913 +)))
914 +
915 +(((
916 +921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
917 +)))
918 +
919 +
920 +
921 +=== 2.6.7  IN865-867 (IN865) ===
922 +
923 +(((
924 +(% style="color:blue" %)**Uplink:**
925 +)))
926 +
927 +(((
928 +865.0625 - SF7BW125 to SF12BW125
929 +)))
930 +
931 +(((
932 +865.4025 - SF7BW125 to SF12BW125
933 +)))
934 +
935 +(((
936 +865.9850 - SF7BW125 to SF12BW125
937 +)))
938 +
939 +(((
940 +
941 +)))
942 +
943 +(((
944 +(% style="color:blue" %)**Downlink:**
945 +)))
946 +
947 +(((
948 +Uplink channels 1-3 (RX1)
949 +)))
950 +
951 +(((
952 +866.550 - SF10BW125 (RX2)
953 +)))
954 +
955 +
956 +
957 +== 2.7  LED Indicator ==
958 +
959 +The LDDS75 has an internal LED which is to show the status of different state.
960 +
961 +
491 491  * Blink once when device power on.
492 492  * The device detects the sensor and flashes 5 times.
493 493  * Solid ON for 5 seconds once device successful Join the network.
494 494  * Blink once when device transmit a packet.
495 495  
496 -
497 -
498 498  == 2.8  ​Firmware Change Log ==
499 499  
500 500