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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 173.1
edited by Xiaoling
on 2022/06/15 10:09
Change comment: Uploaded new attachment "image-20220615100930-15.png", version {1}
To version 173.5
edited by Xiaoling
on 2022/06/15 10:15
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -100,7 +100,6 @@
100 100  * IP66 Waterproof Enclosure
101 101  * 8500mAh Battery for long term use
102 102  
103 -
104 104  == 1.3  Suitable Container & Liquid ==
105 105  
106 106  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -110,7 +110,6 @@
110 110  ** Pure non metal material: <10 mm
111 111  * Pure liquid without irregular deposition.
112 112  
113 -
114 114  == 1.4  Mechanical ==
115 115  
116 116  [[image:image-20220615090910-1.png]]
... ... @@ -200,8 +200,6 @@
200 200  * Smart liquid control solution.
201 201  * Smart liquefied gas solution.
202 202  
203 -
204 -
205 205  == 1.7  Precautions ==
206 206  
207 207  * 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.
... ... @@ -208,8 +208,6 @@
208 208  * 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.
209 209  * 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.
210 210  
211 -
212 -
213 213  == 1.8  Pin mapping and power on ==
214 214  
215 215  
... ... @@ -368,8 +368,6 @@
368 368  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
369 369  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
370 370  
371 -
372 -
373 373  === 2.3.3  Interrupt Pin ===
374 374  
375 375  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.
... ... @@ -423,528 +423,87 @@
423 423  
424 424  
425 425  
426 -== 2.4  Uplink Interval ==
418 +== 2.4  Downlink Payload ==
427 427  
428 -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.
429 429  
422 +[[image:image-20220615100930-15.png]]
430 430  
431 431  
432 -== 2.5  ​Show Data in DataCake IoT Server ==
425 +**Examples:**
433 433  
434 -(((
435 -[[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:
436 -)))
437 437  
438 -(((
439 -
440 -)))
428 +* (% style="color:blue" %)**Set TDC**
441 441  
442 -(((
443 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
444 -)))
430 +If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
445 445  
446 -(((
447 -(% 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:**
448 -)))
432 +Payload:    01 00 00 1E    TDC=30S
449 449  
434 +Payload:    01 00 00 3C    TDC=60S
450 450  
451 -[[image:1654592790040-760.png]]
452 452  
437 +* (% style="color:blue" %)**Reset**
453 453  
454 -[[image:1654592800389-571.png]]
439 +If payload = 0x04FF, it will reset the LDDS20
455 455  
456 456  
457 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
442 +* (% style="color:blue" %)**CFM**
458 458  
459 -(% 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
460 460  
461 -[[image:1654851029373-510.png]]
462 462  
463 463  
464 -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 ==
465 465  
466 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
467 -
468 -
469 -
470 -== 2.6  Frequency Plans ==
471 -
472 472  (((
473 -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:
474 474  )))
475 475  
476 -
477 -
478 -=== 2.6.1  EU863-870 (EU868) ===
479 -
480 480  (((
481 -(% style="color:blue" %)**Uplink:**
482 -)))
483 -
484 -(((
485 -868.1 - SF7BW125 to SF12BW125
486 -)))
487 -
488 -(((
489 -868.3 - SF7BW125 to SF12BW125 and SF7BW250
490 -)))
491 -
492 -(((
493 -868.5 - SF7BW125 to SF12BW125
494 -)))
495 -
496 -(((
497 -867.1 - SF7BW125 to SF12BW125
498 -)))
499 -
500 -(((
501 -867.3 - SF7BW125 to SF12BW125
502 -)))
503 -
504 -(((
505 -867.5 - SF7BW125 to SF12BW125
506 -)))
507 -
508 -(((
509 -867.7 - SF7BW125 to SF12BW125
510 -)))
511 -
512 -(((
513 -867.9 - SF7BW125 to SF12BW125
514 -)))
515 -
516 -(((
517 -868.8 - FSK
518 -)))
519 -
520 -(((
521 521  
522 522  )))
523 523  
524 524  (((
525 -(% 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.**
526 526  )))
527 527  
528 528  (((
529 -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:**
530 530  )))
531 531  
532 -(((
533 -869.525 - SF9BW125 (RX2 downlink only)
534 -)))
535 535  
467 +[[image:1654592790040-760.png]]
536 536  
537 537  
538 -=== 2.6.2  US902-928(US915) ===
470 +[[image:1654592800389-571.png]]
539 539  
540 -(((
541 -Used in USA, Canada and South America. Default use CHE=2
542 542  
543 -(% style="color:blue" %)**Uplink:**
473 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
544 544  
545 -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)(%%)**
546 546  
547 -904.1 - SF7BW125 to SF10BW125
477 +[[image:1654851029373-510.png]]
548 548  
549 -904.3 - SF7BW125 to SF10BW125
550 550  
551 -904.5 - SF7BW125 to SF10BW125
480 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
552 552  
553 -904.7 - SF7BW125 to SF10BW125
482 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
554 554  
555 -904.9 - SF7BW125 to SF10BW125
556 556  
557 -905.1 - SF7BW125 to SF10BW125
558 558  
559 -905.3 - SF7BW125 to SF10BW125
486 +== 2.6  LED Indicator ==
560 560  
488 +The LDDS20 has an internal LED which is to show the status of different state.
561 561  
562 -(% style="color:blue" %)**Downlink:**
563 563  
564 -923.3 - SF7BW500 to SF12BW500
565 -
566 -923.9 - SF7BW500 to SF12BW500
567 -
568 -924.5 - SF7BW500 to SF12BW500
569 -
570 -925.1 - SF7BW500 to SF12BW500
571 -
572 -925.7 - SF7BW500 to SF12BW500
573 -
574 -926.3 - SF7BW500 to SF12BW500
575 -
576 -926.9 - SF7BW500 to SF12BW500
577 -
578 -927.5 - SF7BW500 to SF12BW500
579 -
580 -923.3 - SF12BW500(RX2 downlink only)
581 -
582 -
583 -
584 -)))
585 -
586 -=== 2.6.3  CN470-510 (CN470) ===
587 -
588 -(((
589 -Used in China, Default use CHE=1
590 -)))
591 -
592 -(((
593 -(% style="color:blue" %)**Uplink:**
594 -)))
595 -
596 -(((
597 -486.3 - SF7BW125 to SF12BW125
598 -)))
599 -
600 -(((
601 -486.5 - SF7BW125 to SF12BW125
602 -)))
603 -
604 -(((
605 -486.7 - SF7BW125 to SF12BW125
606 -)))
607 -
608 -(((
609 -486.9 - SF7BW125 to SF12BW125
610 -)))
611 -
612 -(((
613 -487.1 - SF7BW125 to SF12BW125
614 -)))
615 -
616 -(((
617 -487.3 - SF7BW125 to SF12BW125
618 -)))
619 -
620 -(((
621 -487.5 - SF7BW125 to SF12BW125
622 -)))
623 -
624 -(((
625 -487.7 - SF7BW125 to SF12BW125
626 -)))
627 -
628 -(((
629 -
630 -)))
631 -
632 -(((
633 -(% style="color:blue" %)**Downlink:**
634 -)))
635 -
636 -(((
637 -506.7 - SF7BW125 to SF12BW125
638 -)))
639 -
640 -(((
641 -506.9 - SF7BW125 to SF12BW125
642 -)))
643 -
644 -(((
645 -507.1 - SF7BW125 to SF12BW125
646 -)))
647 -
648 -(((
649 -507.3 - SF7BW125 to SF12BW125
650 -)))
651 -
652 -(((
653 -507.5 - SF7BW125 to SF12BW125
654 -)))
655 -
656 -(((
657 -507.7 - SF7BW125 to SF12BW125
658 -)))
659 -
660 -(((
661 -507.9 - SF7BW125 to SF12BW125
662 -)))
663 -
664 -(((
665 -508.1 - SF7BW125 to SF12BW125
666 -)))
667 -
668 -(((
669 -505.3 - SF12BW125 (RX2 downlink only)
670 -)))
671 -
672 -
673 -
674 -=== 2.6.4  AU915-928(AU915) ===
675 -
676 -(((
677 -Default use CHE=2
678 -
679 -(% style="color:blue" %)**Uplink:**
680 -
681 -916.8 - SF7BW125 to SF12BW125
682 -
683 -917.0 - SF7BW125 to SF12BW125
684 -
685 -917.2 - SF7BW125 to SF12BW125
686 -
687 -917.4 - SF7BW125 to SF12BW125
688 -
689 -917.6 - SF7BW125 to SF12BW125
690 -
691 -917.8 - SF7BW125 to SF12BW125
692 -
693 -918.0 - SF7BW125 to SF12BW125
694 -
695 -918.2 - SF7BW125 to SF12BW125
696 -
697 -
698 -(% style="color:blue" %)**Downlink:**
699 -
700 -923.3 - SF7BW500 to SF12BW500
701 -
702 -923.9 - SF7BW500 to SF12BW500
703 -
704 -924.5 - SF7BW500 to SF12BW500
705 -
706 -925.1 - SF7BW500 to SF12BW500
707 -
708 -925.7 - SF7BW500 to SF12BW500
709 -
710 -926.3 - SF7BW500 to SF12BW500
711 -
712 -926.9 - SF7BW500 to SF12BW500
713 -
714 -927.5 - SF7BW500 to SF12BW500
715 -
716 -923.3 - SF12BW500(RX2 downlink only)
717 -
718 -
719 -
720 -)))
721 -
722 -=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
723 -
724 -(((
725 -(% style="color:blue" %)**Default Uplink channel:**
726 -)))
727 -
728 -(((
729 -923.2 - SF7BW125 to SF10BW125
730 -)))
731 -
732 -(((
733 -923.4 - SF7BW125 to SF10BW125
734 -)))
735 -
736 -(((
737 -
738 -)))
739 -
740 -(((
741 -(% style="color:blue" %)**Additional Uplink Channel**:
742 -)))
743 -
744 -(((
745 -(OTAA mode, channel added by JoinAccept message)
746 -)))
747 -
748 -(((
749 -
750 -)))
751 -
752 -(((
753 -(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
754 -)))
755 -
756 -(((
757 -922.2 - SF7BW125 to SF10BW125
758 -)))
759 -
760 -(((
761 -922.4 - SF7BW125 to SF10BW125
762 -)))
763 -
764 -(((
765 -922.6 - SF7BW125 to SF10BW125
766 -)))
767 -
768 -(((
769 -922.8 - SF7BW125 to SF10BW125
770 -)))
771 -
772 -(((
773 -923.0 - SF7BW125 to SF10BW125
774 -)))
775 -
776 -(((
777 -922.0 - SF7BW125 to SF10BW125
778 -)))
779 -
780 -(((
781 -
782 -)))
783 -
784 -(((
785 -(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
786 -)))
787 -
788 -(((
789 -923.6 - SF7BW125 to SF10BW125
790 -)))
791 -
792 -(((
793 -923.8 - SF7BW125 to SF10BW125
794 -)))
795 -
796 -(((
797 -924.0 - SF7BW125 to SF10BW125
798 -)))
799 -
800 -(((
801 -924.2 - SF7BW125 to SF10BW125
802 -)))
803 -
804 -(((
805 -924.4 - SF7BW125 to SF10BW125
806 -)))
807 -
808 -(((
809 -924.6 - SF7BW125 to SF10BW125
810 -)))
811 -
812 -(((
813 -
814 -)))
815 -
816 -(((
817 -(% style="color:blue" %)**Downlink:**
818 -)))
819 -
820 -(((
821 -Uplink channels 1-8 (RX1)
822 -)))
823 -
824 -(((
825 -923.2 - SF10BW125 (RX2)
826 -)))
827 -
828 -
829 -
830 -=== 2.6.6  KR920-923 (KR920) ===
831 -
832 -(((
833 -(% style="color:blue" %)**Default channel:**
834 -)))
835 -
836 -(((
837 -922.1 - SF7BW125 to SF12BW125
838 -)))
839 -
840 -(((
841 -922.3 - SF7BW125 to SF12BW125
842 -)))
843 -
844 -(((
845 -922.5 - SF7BW125 to SF12BW125
846 -)))
847 -
848 -(((
849 -
850 -)))
851 -
852 -(((
853 -(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
854 -)))
855 -
856 -(((
857 -922.1 - SF7BW125 to SF12BW125
858 -)))
859 -
860 -(((
861 -922.3 - SF7BW125 to SF12BW125
862 -)))
863 -
864 -(((
865 -922.5 - SF7BW125 to SF12BW125
866 -)))
867 -
868 -(((
869 -922.7 - SF7BW125 to SF12BW125
870 -)))
871 -
872 -(((
873 -922.9 - SF7BW125 to SF12BW125
874 -)))
875 -
876 -(((
877 -923.1 - SF7BW125 to SF12BW125
878 -)))
879 -
880 -(((
881 -923.3 - SF7BW125 to SF12BW125
882 -)))
883 -
884 -(((
885 -
886 -)))
887 -
888 -(((
889 -(% style="color:blue" %)**Downlink:**
890 -)))
891 -
892 -(((
893 -Uplink channels 1-7(RX1)
894 -)))
895 -
896 -(((
897 -921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
898 -)))
899 -
900 -
901 -
902 -=== 2.6.7  IN865-867 (IN865) ===
903 -
904 -(((
905 -(% style="color:blue" %)**Uplink:**
906 -)))
907 -
908 -(((
909 -865.0625 - SF7BW125 to SF12BW125
910 -)))
911 -
912 -(((
913 -865.4025 - SF7BW125 to SF12BW125
914 -)))
915 -
916 -(((
917 -865.9850 - SF7BW125 to SF12BW125
918 -)))
919 -
920 -(((
921 -
922 -)))
923 -
924 -(((
925 -(% style="color:blue" %)**Downlink:**
926 -)))
927 -
928 -(((
929 -Uplink channels 1-3 (RX1)
930 -)))
931 -
932 -(((
933 -866.550 - SF10BW125 (RX2)
934 -)))
935 -
936 -
937 -
938 -== 2.7  LED Indicator ==
939 -
940 -The LDDS75 has an internal LED which is to show the status of different state.
941 -
942 -
943 943  * Blink once when device power on.
944 944  * The device detects the sensor and flashes 5 times.
945 945  * Solid ON for 5 seconds once device successful Join the network.
946 -* Blink once when device transmit a packet.
947 947  
495 +Blink once when device transmit a packet.
496 +
497 +
498 +
948 948  == 2.8  ​Firmware Change Log ==
949 949  
950 950