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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 172.5
edited by Xiaoling
on 2022/06/15 09:53
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -100,6 +100,8 @@
100 100  * IP66 Waterproof Enclosure
101 101  * 8500mAh Battery for long term use
102 102  
103 +
104 +
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 +109,8 @@
109 109  ** Pure non metal material: <10 mm
110 110  * Pure liquid without irregular deposition.
111 111  
114 +
115 +
112 112  == 1.4  Mechanical ==
113 113  
114 114  [[image:image-20220615090910-1.png]]
... ... @@ -198,6 +198,9 @@
198 198  * Smart liquid control solution.
199 199  * Smart liquefied gas solution.
200 200  
205 +
206 +
207 +
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 +204,9 @@
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  
214 +
215 +
216 +
207 207  == 1.8  Pin mapping and power on ==
208 208  
209 209  
... ... @@ -217,7 +217,7 @@
217 217  == 2.1  How it works ==
218 218  
219 219  (((
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.
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.
221 221  )))
222 222  
223 223  (((
... ... @@ -311,7 +311,7 @@
311 311  
312 312  (((
313 313  (((
314 -LDDS20 will uplink payload via LoRaWAN with below payload format: 
324 +LDDS20 will uplink payload via LoRaWAN with below payload format:
315 315  
316 316  Uplink payload includes in total 8 bytes.
317 317  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).
... ... @@ -352,19 +352,20 @@
352 352  === 2.3.2  Distance ===
353 353  
354 354  (((
355 -Get the distance. Flat object range 20mm - 2000mm.
365 +Get the distance. Flat object range 280mm - 7500mm.
356 356  )))
357 357  
358 358  (((
359 -For example, if the data you get from the register is __0x06 0x05__, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0605(H) = 1541 (D) = 1541 mm.**
369 +For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
360 360  )))
361 361  
362 -* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
363 -* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
364 364  
373 +* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
374 +* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
375 +
365 365  === 2.3.3  Interrupt Pin ===
366 366  
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.
378 +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.
368 368  
369 369  **Example:**
370 370  
... ... @@ -410,92 +410,533 @@
410 410  The payload decoder function for TTN V3 is here:
411 411  
412 412  (((
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/]]
424 +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/]]
414 414  )))
415 415  
416 416  
417 417  
418 -== 2.4  Downlink Payload ==
429 +== 2.4  Uplink Interval ==
419 419  
420 -By default, LDDS20 prints the downlink payload to console port.
431 +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"]]
421 421  
422 -[[image:image-20220615100930-15.png]]
423 423  
424 424  
425 -**Examples:**
435 +== 2.5  ​Show Data in DataCake IoT Server ==
426 426  
437 +(((
438 +[[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:
439 +)))
427 427  
428 -* (% style="color:blue" %)**Set TDC**
441 +(((
442 +
443 +)))
429 429  
430 -If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
445 +(((
446 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
447 +)))
431 431  
432 -Payload:    01 00 00 1E    TDC=30S
449 +(((
450 +(% 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:**
451 +)))
433 433  
434 -Payload:    01 00 00 3C    TDC=60S
435 435  
454 +[[image:1654592790040-760.png]]
436 436  
437 -* (% style="color:blue" %)**Reset**
438 438  
439 -If payload = 0x04FF, it will reset the LDDS20
457 +[[image:1654592800389-571.png]]
440 440  
441 441  
442 -* (% style="color:blue" %)**CFM**
460 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
443 443  
444 -Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
462 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
445 445  
464 +[[image:1654851029373-510.png]]
446 446  
447 447  
448 -== 2.5  ​Show Data in DataCake IoT Server ==
467 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
449 449  
469 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
470 +
471 +
472 +
473 +== 2.6  Frequency Plans ==
474 +
450 450  (((
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:
476 +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.
452 452  )))
453 453  
479 +
480 +
481 +=== 2.6.1  EU863-870 (EU868) ===
482 +
454 454  (((
484 +(% style="color:blue" %)**Uplink:**
485 +)))
486 +
487 +(((
488 +868.1 - SF7BW125 to SF12BW125
489 +)))
490 +
491 +(((
492 +868.3 - SF7BW125 to SF12BW125 and SF7BW250
493 +)))
494 +
495 +(((
496 +868.5 - SF7BW125 to SF12BW125
497 +)))
498 +
499 +(((
500 +867.1 - SF7BW125 to SF12BW125
501 +)))
502 +
503 +(((
504 +867.3 - SF7BW125 to SF12BW125
505 +)))
506 +
507 +(((
508 +867.5 - SF7BW125 to SF12BW125
509 +)))
510 +
511 +(((
512 +867.7 - SF7BW125 to SF12BW125
513 +)))
514 +
515 +(((
516 +867.9 - SF7BW125 to SF12BW125
517 +)))
518 +
519 +(((
520 +868.8 - FSK
521 +)))
522 +
523 +(((
455 455  
456 456  )))
457 457  
458 458  (((
459 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
528 +(% style="color:blue" %)**Downlink:**
460 460  )))
461 461  
462 462  (((
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:**
532 +Uplink channels 1-9 (RX1)
464 464  )))
465 465  
535 +(((
536 +869.525 - SF9BW125 (RX2 downlink only)
537 +)))
466 466  
467 -[[image:1654592790040-760.png]]
468 468  
469 469  
470 -[[image:1654592800389-571.png]]
541 +=== 2.6.2  US902-928(US915) ===
471 471  
543 +(((
544 +Used in USA, Canada and South America. Default use CHE=2
472 472  
473 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
546 +(% style="color:blue" %)**Uplink:**
474 474  
475 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
548 +903.9 - SF7BW125 to SF10BW125
476 476  
477 -[[image:1654851029373-510.png]]
550 +904.1 - SF7BW125 to SF10BW125
478 478  
552 +904.3 - SF7BW125 to SF10BW125
479 479  
480 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
554 +904.5 - SF7BW125 to SF10BW125
481 481  
482 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
556 +904.7 - SF7BW125 to SF10BW125
483 483  
558 +904.9 - SF7BW125 to SF10BW125
484 484  
560 +905.1 - SF7BW125 to SF10BW125
485 485  
486 -== 2.6  LED Indicator ==
562 +905.3 - SF7BW125 to SF10BW125
487 487  
488 -The LDDS20 has an internal LED which is to show the status of different state.
489 489  
565 +(% style="color:blue" %)**Downlink:**
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.
567 +923.3 - SF7BW500 to SF12BW500
494 494  
495 -Blink once when device transmit a packet.
569 +923.9 - SF7BW500 to SF12BW500
496 496  
571 +924.5 - SF7BW500 to SF12BW500
497 497  
573 +925.1 - SF7BW500 to SF12BW500
498 498  
575 +925.7 - SF7BW500 to SF12BW500
576 +
577 +926.3 - SF7BW500 to SF12BW500
578 +
579 +926.9 - SF7BW500 to SF12BW500
580 +
581 +927.5 - SF7BW500 to SF12BW500
582 +
583 +923.3 - SF12BW500(RX2 downlink only)
584 +
585 +
586 +
587 +)))
588 +
589 +=== 2.6.3  CN470-510 (CN470) ===
590 +
591 +(((
592 +Used in China, Default use CHE=1
593 +)))
594 +
595 +(((
596 +(% style="color:blue" %)**Uplink:**
597 +)))
598 +
599 +(((
600 +486.3 - SF7BW125 to SF12BW125
601 +)))
602 +
603 +(((
604 +486.5 - SF7BW125 to SF12BW125
605 +)))
606 +
607 +(((
608 +486.7 - SF7BW125 to SF12BW125
609 +)))
610 +
611 +(((
612 +486.9 - SF7BW125 to SF12BW125
613 +)))
614 +
615 +(((
616 +487.1 - SF7BW125 to SF12BW125
617 +)))
618 +
619 +(((
620 +487.3 - SF7BW125 to SF12BW125
621 +)))
622 +
623 +(((
624 +487.5 - SF7BW125 to SF12BW125
625 +)))
626 +
627 +(((
628 +487.7 - SF7BW125 to SF12BW125
629 +)))
630 +
631 +(((
632 +
633 +)))
634 +
635 +(((
636 +(% style="color:blue" %)**Downlink:**
637 +)))
638 +
639 +(((
640 +506.7 - SF7BW125 to SF12BW125
641 +)))
642 +
643 +(((
644 +506.9 - SF7BW125 to SF12BW125
645 +)))
646 +
647 +(((
648 +507.1 - SF7BW125 to SF12BW125
649 +)))
650 +
651 +(((
652 +507.3 - SF7BW125 to SF12BW125
653 +)))
654 +
655 +(((
656 +507.5 - SF7BW125 to SF12BW125
657 +)))
658 +
659 +(((
660 +507.7 - SF7BW125 to SF12BW125
661 +)))
662 +
663 +(((
664 +507.9 - SF7BW125 to SF12BW125
665 +)))
666 +
667 +(((
668 +508.1 - SF7BW125 to SF12BW125
669 +)))
670 +
671 +(((
672 +505.3 - SF12BW125 (RX2 downlink only)
673 +)))
674 +
675 +
676 +
677 +=== 2.6.4  AU915-928(AU915) ===
678 +
679 +(((
680 +Default use CHE=2
681 +
682 +(% style="color:blue" %)**Uplink:**
683 +
684 +916.8 - SF7BW125 to SF12BW125
685 +
686 +917.0 - SF7BW125 to SF12BW125
687 +
688 +917.2 - SF7BW125 to SF12BW125
689 +
690 +917.4 - SF7BW125 to SF12BW125
691 +
692 +917.6 - SF7BW125 to SF12BW125
693 +
694 +917.8 - SF7BW125 to SF12BW125
695 +
696 +918.0 - SF7BW125 to SF12BW125
697 +
698 +918.2 - SF7BW125 to SF12BW125
699 +
700 +
701 +(% style="color:blue" %)**Downlink:**
702 +
703 +923.3 - SF7BW500 to SF12BW500
704 +
705 +923.9 - SF7BW500 to SF12BW500
706 +
707 +924.5 - SF7BW500 to SF12BW500
708 +
709 +925.1 - SF7BW500 to SF12BW500
710 +
711 +925.7 - SF7BW500 to SF12BW500
712 +
713 +926.3 - SF7BW500 to SF12BW500
714 +
715 +926.9 - SF7BW500 to SF12BW500
716 +
717 +927.5 - SF7BW500 to SF12BW500
718 +
719 +923.3 - SF12BW500(RX2 downlink only)
720 +
721 +
722 +
723 +)))
724 +
725 +=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
726 +
727 +(((
728 +(% style="color:blue" %)**Default Uplink channel:**
729 +)))
730 +
731 +(((
732 +923.2 - SF7BW125 to SF10BW125
733 +)))
734 +
735 +(((
736 +923.4 - SF7BW125 to SF10BW125
737 +)))
738 +
739 +(((
740 +
741 +)))
742 +
743 +(((
744 +(% style="color:blue" %)**Additional Uplink Channel**:
745 +)))
746 +
747 +(((
748 +(OTAA mode, channel added by JoinAccept message)
749 +)))
750 +
751 +(((
752 +
753 +)))
754 +
755 +(((
756 +(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
757 +)))
758 +
759 +(((
760 +922.2 - SF7BW125 to SF10BW125
761 +)))
762 +
763 +(((
764 +922.4 - SF7BW125 to SF10BW125
765 +)))
766 +
767 +(((
768 +922.6 - SF7BW125 to SF10BW125
769 +)))
770 +
771 +(((
772 +922.8 - SF7BW125 to SF10BW125
773 +)))
774 +
775 +(((
776 +923.0 - SF7BW125 to SF10BW125
777 +)))
778 +
779 +(((
780 +922.0 - SF7BW125 to SF10BW125
781 +)))
782 +
783 +(((
784 +
785 +)))
786 +
787 +(((
788 +(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
789 +)))
790 +
791 +(((
792 +923.6 - SF7BW125 to SF10BW125
793 +)))
794 +
795 +(((
796 +923.8 - SF7BW125 to SF10BW125
797 +)))
798 +
799 +(((
800 +924.0 - SF7BW125 to SF10BW125
801 +)))
802 +
803 +(((
804 +924.2 - SF7BW125 to SF10BW125
805 +)))
806 +
807 +(((
808 +924.4 - SF7BW125 to SF10BW125
809 +)))
810 +
811 +(((
812 +924.6 - SF7BW125 to SF10BW125
813 +)))
814 +
815 +(((
816 +
817 +)))
818 +
819 +(((
820 +(% style="color:blue" %)**Downlink:**
821 +)))
822 +
823 +(((
824 +Uplink channels 1-8 (RX1)
825 +)))
826 +
827 +(((
828 +923.2 - SF10BW125 (RX2)
829 +)))
830 +
831 +
832 +
833 +=== 2.6.6  KR920-923 (KR920) ===
834 +
835 +(((
836 +(% style="color:blue" %)**Default channel:**
837 +)))
838 +
839 +(((
840 +922.1 - SF7BW125 to SF12BW125
841 +)))
842 +
843 +(((
844 +922.3 - SF7BW125 to SF12BW125
845 +)))
846 +
847 +(((
848 +922.5 - SF7BW125 to SF12BW125
849 +)))
850 +
851 +(((
852 +
853 +)))
854 +
855 +(((
856 +(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
857 +)))
858 +
859 +(((
860 +922.1 - SF7BW125 to SF12BW125
861 +)))
862 +
863 +(((
864 +922.3 - SF7BW125 to SF12BW125
865 +)))
866 +
867 +(((
868 +922.5 - SF7BW125 to SF12BW125
869 +)))
870 +
871 +(((
872 +922.7 - SF7BW125 to SF12BW125
873 +)))
874 +
875 +(((
876 +922.9 - SF7BW125 to SF12BW125
877 +)))
878 +
879 +(((
880 +923.1 - SF7BW125 to SF12BW125
881 +)))
882 +
883 +(((
884 +923.3 - SF7BW125 to SF12BW125
885 +)))
886 +
887 +(((
888 +
889 +)))
890 +
891 +(((
892 +(% style="color:blue" %)**Downlink:**
893 +)))
894 +
895 +(((
896 +Uplink channels 1-7(RX1)
897 +)))
898 +
899 +(((
900 +921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
901 +)))
902 +
903 +
904 +
905 +=== 2.6.7  IN865-867 (IN865) ===
906 +
907 +(((
908 +(% style="color:blue" %)**Uplink:**
909 +)))
910 +
911 +(((
912 +865.0625 - SF7BW125 to SF12BW125
913 +)))
914 +
915 +(((
916 +865.4025 - SF7BW125 to SF12BW125
917 +)))
918 +
919 +(((
920 +865.9850 - SF7BW125 to SF12BW125
921 +)))
922 +
923 +(((
924 +
925 +)))
926 +
927 +(((
928 +(% style="color:blue" %)**Downlink:**
929 +)))
930 +
931 +(((
932 +Uplink channels 1-3 (RX1)
933 +)))
934 +
935 +(((
936 +866.550 - SF10BW125 (RX2)
937 +)))
938 +
939 +
940 +
941 +== 2.7  LED Indicator ==
942 +
943 +The LDDS75 has an internal LED which is to show the status of different state.
944 +
945 +
946 +* Blink once when device power on.
947 +* The device detects the sensor and flashes 5 times.
948 +* Solid ON for 5 seconds once device successful Join the network.
949 +* Blink once when device transmit a packet.
950 +
499 499  == 2.8  ​Firmware Change Log ==
500 500  
501 501  
image-20220615100930-15.png
Author
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