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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 174.10
edited by Xiaoling
on 2022/06/15 10:44
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  
... ... @@ -363,7 +363,6 @@
363 363  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
364 364  
365 365  
366 -
367 367  === 2.3.3  Interrupt Pin ===
368 368  
369 369  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.
... ... @@ -474,7 +474,7 @@
474 474  
475 475  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
476 476  
477 -(% 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.**
478 478  
479 479  [[image:1654851029373-510.png]]
480 480  
... ... @@ -485,227 +485,650 @@
485 485  
486 486  
487 487  
488 -== 2.6  LED Indicator ==
489 +== 2.6  Frequency Plans ==
489 489  
490 -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 +)))
491 491  
492 492  
493 -* Blink once when device power on.
494 -* The device detects the sensor and flashes 5 times.
495 -* Solid ON for 5 seconds once device successful Join the network.
496 -* Blink once when device transmit a packet.
497 497  
497 +=== 2.6.1  EU863-870 (EU868) ===
498 498  
499 +(((
500 +(% style="color:blue" %)**Uplink:**
501 +)))
499 499  
500 -== 2.7  ​Firmware Change Log ==
503 +(((
504 +868.1 - SF7BW125 to SF12BW125
505 +)))
501 501  
507 +(((
508 +868.3 - SF7BW125 to SF12BW125 and SF7BW250
509 +)))
502 502  
503 503  (((
504 -**Firmware download link:  **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
512 +868.5 - SF7BW125 to SF12BW125
505 505  )))
506 506  
507 507  (((
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 +(((
508 508  
509 509  )))
510 510  
511 511  (((
512 -**Firmware Upgrade Method:  [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]**
544 +(% style="color:blue" %)**Downlink:**
513 513  )))
514 514  
547 +(((
548 +Uplink channels 1-9 (RX1)
549 +)))
515 515  
551 +(((
552 +869.525 - SF9BW125 (RX2 downlink only)
553 +)))
516 516  
517 -== 2.8  Battery Analysis ==
518 518  
519 519  
557 +=== 2.6.2  US902-928(US915) ===
520 520  
559 +(((
560 +Used in USA, Canada and South America. Default use CHE=2
521 521  
522 -=== 2.8.1  Battery Type ===
562 +(% style="color:blue" %)**Uplink:**
523 523  
524 -The LDDS20 battery is a combination of a 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
564 +903.9 - SF7BW125 to SF10BW125
525 525  
566 +904.1 - SF7BW125 to SF10BW125
526 526  
527 -The battery related documents as below:
568 +904.3 - SF7BW125 to SF10BW125
528 528  
529 -* (((
530 -[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
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 +
531 531  )))
532 -* (((
533 -[[Lithium-Thionyl Chloride Battery  datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
604 +
605 +=== 2.6.3  CN470-510 (CN470) ===
606 +
607 +(((
608 +Used in China, Default use CHE=1
534 534  )))
535 -* (((
536 -[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
610 +
611 +(((
612 +(% style="color:blue" %)**Uplink:**
537 537  )))
538 538  
539 - [[image:image-20220615102527-16.png]]
615 +(((
616 +486.3 - SF7BW125 to SF12BW125
617 +)))
540 540  
619 +(((
620 +486.5 - SF7BW125 to SF12BW125
621 +)))
541 541  
623 +(((
624 +486.7 - SF7BW125 to SF12BW125
625 +)))
542 542  
543 -== 2.8.2  Battery Note ==
627 +(((
628 +486.9 - SF7BW125 to SF12BW125
629 +)))
544 544  
545 -The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to uplink data, then the battery life may be decreased.
631 +(((
632 +487.1 - SF7BW125 to SF12BW125
633 +)))
546 546  
635 +(((
636 +487.3 - SF7BW125 to SF12BW125
637 +)))
547 547  
639 +(((
640 +487.5 - SF7BW125 to SF12BW125
641 +)))
548 548  
549 -=== 2.8.3  Replace the battery ===
643 +(((
644 +487.7 - SF7BW125 to SF12BW125
645 +)))
550 550  
551 551  (((
552 -You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
648 +
553 553  )))
554 554  
555 555  (((
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 +
556 556  
557 557  )))
558 558  
741 +=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
742 +
559 559  (((
560 -The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
744 +(% style="color:blue" %)**Default Uplink channel:**
561 561  )))
562 562  
747 +(((
748 +923.2 - SF7BW125 to SF10BW125
749 +)))
563 563  
751 +(((
752 +923.4 - SF7BW125 to SF10BW125
753 +)))
564 564  
565 -== 2.8.4  Battery Life Analyze ==
755 +(((
756 +
757 +)))
566 566  
567 -Dragino battery powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimate battery life:
759 +(((
760 +(% style="color:blue" %)**Additional Uplink Channel**:
761 +)))
568 568  
569 -[[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
763 +(((
764 +(OTAA mode, channel added by JoinAccept message)
765 +)))
570 570  
767 +(((
768 +
769 +)))
571 571  
771 +(((
772 +(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
773 +)))
572 572  
573 -= 3.  Using the AT Commands =
775 +(((
776 +922.2 - SF7BW125 to SF10BW125
777 +)))
574 574  
575 575  (((
780 +922.4 - SF7BW125 to SF10BW125
781 +)))
782 +
576 576  (((
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 +(((
577 577  
578 578  )))
802 +
803 +(((
804 +(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
579 579  )))
580 580  
581 -== 3.1  Access AT Commands ==
807 +(((
808 +923.6 - SF7BW125 to SF10BW125
809 +)))
582 582  
583 -LDDS20 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS20 for using AT command, as below.
811 +(((
812 +923.8 - SF7BW125 to SF10BW125
813 +)))
584 584  
815 +(((
816 +924.0 - SF7BW125 to SF10BW125
817 +)))
585 585  
586 -[[image:image-20220610172924-4.png||height="483" width="988"]]
819 +(((
820 +924.2 - SF7BW125 to SF10BW125
821 +)))
587 587  
823 +(((
824 +924.4 - SF7BW125 to SF10BW125
825 +)))
588 588  
589 -Or if you have below board, use below connection:
827 +(((
828 +924.6 - SF7BW125 to SF10BW125
829 +)))
590 590  
831 +(((
832 +
833 +)))
591 591  
592 -[[image:image-20220610172924-5.png]]
835 +(((
836 +(% style="color:blue" %)**Downlink:**
837 +)))
593 593  
839 +(((
840 +Uplink channels 1-8 (RX1)
841 +)))
594 594  
595 595  (((
596 -In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS20. LDDS20 will output system info once power on as below:
844 +923.2 - SF10BW125 (RX2)
597 597  )))
598 598  
599 599  
600 - [[image:image-20220610172924-6.png||height="601" width="860"]]
601 601  
602 -Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]].
849 +=== 2.6.6  KR920-923 (KR920) ===
603 603  
851 +(((
852 +(% style="color:blue" %)**Default channel:**
853 +)))
604 604  
605 -AT+<CMD>?  :  Help on <CMD>
855 +(((
856 +922.1 - SF7BW125 to SF12BW125
857 +)))
606 606  
607 -AT+<CMD>  :  Run <CMD>
859 +(((
860 +922.3 - SF7BW125 to SF12BW125
861 +)))
608 608  
609 -AT+<CMD>=<value>  :  Set the value
863 +(((
864 +922.5 - SF7BW125 to SF12BW125
865 +)))
610 610  
611 -AT+<CMD>=?  :  Get the value
867 +(((
868 +
869 +)))
612 612  
871 +(((
872 +(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
873 +)))
613 613  
614 -**General Commands** : 
875 +(((
876 +922.1 - SF7BW125 to SF12BW125
877 +)))
615 615  
616 -AT                    : Attention       
879 +(((
880 +922.3 - SF7BW125 to SF12BW125
881 +)))
617 617  
618 -AT?                            : Short Help     
883 +(((
884 +922.5 - SF7BW125 to SF12BW125
885 +)))
619 619  
620 -ATZ                            : MCU Reset    
887 +(((
888 +922.7 - SF7BW125 to SF12BW125
889 +)))
621 621  
622 -AT+TDC           : Application Data Transmission Interval 
891 +(((
892 +922.9 - SF7BW125 to SF12BW125
893 +)))
623 623  
895 +(((
896 +923.1 - SF7BW125 to SF12BW125
897 +)))
624 624  
625 -**Keys, IDs and EUIs management:**
899 +(((
900 +923.3 - SF7BW125 to SF12BW125
901 +)))
626 626  
627 -AT+APPEUI              : Application EUI      
903 +(((
904 +
905 +)))
628 628  
629 -AT+APPKEY              : Application Key     
907 +(((
908 +(% style="color:blue" %)**Downlink:**
909 +)))
630 630  
631 -AT+APPSKEY            : Application Session Key
911 +(((
912 +Uplink channels 1-7(RX1)
913 +)))
632 632  
633 -AT+DADDR              : Device Address     
915 +(((
916 +921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
917 +)))
634 634  
635 -AT+DEUI                   : Device EUI     
636 636  
637 -AT+NWKID               : Network ID (You can enter this command change only after successful network connection) 
638 638  
639 -AT+NWKSKEY          : Network Session Key Joining and sending date on LoRa network  
921 +=== 2.6.7  IN865-867 (IN865) ===
640 640  
641 -AT+CFM          : Confirm Mode       
923 +(((
924 +(% style="color:blue" %)**Uplink:**
925 +)))
642 642  
643 -AT+CFS                     : Confirm Status       
927 +(((
928 +865.0625 - SF7BW125 to SF12BW125
929 +)))
644 644  
645 -AT+JOIN          : Join LoRa? Network       
931 +(((
932 +865.4025 - SF7BW125 to SF12BW125
933 +)))
646 646  
647 -AT+NJM          : LoRa? Network Join Mode    
935 +(((
936 +865.9850 - SF7BW125 to SF12BW125
937 +)))
648 648  
649 -AT+NJS                     : LoRa? Network Join Status    
939 +(((
940 +
941 +)))
650 650  
651 -AT+RECV                  : Print Last Received Data in Raw Format
943 +(((
944 +(% style="color:blue" %)**Downlink:**
945 +)))
652 652  
653 -AT+RECVB                : Print Last Received Data in Binary Format      
947 +(((
948 +Uplink channels 1-3 (RX1)
949 +)))
654 654  
655 -AT+SEND                  : Send Text Data      
951 +(((
952 +866.550 - SF10BW125 (RX2)
953 +)))
656 656  
657 -AT+SENB                  : Send Hexadecimal Data
658 658  
659 659  
660 -**LoRa Network Management :**
957 +== 2.7  LED Indicator ==
661 661  
662 -AT+ADR          : Adaptive Rate
959 +The LDDS75 has an internal LED which is to show the status of different state.
663 663  
664 -AT+CLASS                : LoRa Class(Currently only support class A
665 665  
666 -AT+DCS           : Duty Cycle Setting 
962 +* Blink once when device power on.
963 +* The device detects the sensor and flashes 5 times.
964 +* Solid ON for 5 seconds once device successful Join the network.
965 +* Blink once when device transmit a packet.
667 667  
668 -AT+DR                      : Data Rate (Can Only be Modified after ADR=0)     
967 +== 2.8  ​Firmware Change Log ==
669 669  
670 -AT+FCD           : Frame Counter Downlink       
671 671  
672 -AT+FCU           : Frame Counter Uplink   
970 +(((
971 +**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
972 +)))
673 673  
674 -AT+JN1DL                : Join Accept Delay1
974 +(((
975 +
976 +)))
675 675  
676 -AT+JN2DL                : Join Accept Delay2
978 +(((
979 +**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
980 +)))
677 677  
678 -AT+PNM                   : Public Network Mode   
679 679  
680 -AT+RX1DL                : Receive Delay1      
681 681  
682 -AT+RX2DL                : Receive Delay2      
984 +== 2.9  Mechanical ==
683 683  
684 -AT+RX2DR               : Rx2 Window Data Rate 
685 685  
686 -AT+RX2FQ               : Rx2 Window Frequency
987 +[[image:image-20220610172003-1.png]]
687 687  
688 -AT+TXP           : Transmit Power
689 689  
990 +[[image:image-20220610172003-2.png]]
690 690  
691 -**Information :**
692 692  
693 -AT+RSSI           : RSSI of the Last Received Packet   
694 694  
695 -AT+SNR           : SNR of the Last Received Packet   
994 +== 2.10  Battery Analysis ==
696 696  
697 -AT+VER           : Image Version and Frequency Band       
996 +=== 2.10.1  Battery Type ===
698 698  
699 -AT+FDR           : Factory Data Reset
998 +The LDDS75 battery is a combination of a 4000mAh or 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
700 700  
701 -AT+PORT                  : Application Port    
702 702  
703 -AT+CHS           : Get or Set Frequency (Unit: Hz) for Single Channel Mode
1001 +The battery related documents as below:
704 704  
705 - AT+CHE                   : Get or Set eight channels mode, Only for US915, AU915, CN470
1003 +* (((
1004 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
1005 +)))
1006 +* (((
1007 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
1008 +)))
1009 +* (((
1010 +[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
1011 +)))
706 706  
1013 + [[image:image-20220610172400-3.png]]
707 707  
708 708  
1016 +
1017 +=== 2.10.2  Replace the battery ===
1018 +
1019 +(((
1020 +You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
1021 +)))
1022 +
1023 +(((
1024 +
1025 +)))
1026 +
1027 +(((
1028 +The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
1029 +)))
1030 +
1031 +
1032 +
1033 += 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
1034 +
1035 +(((
1036 +(((
1037 +Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
1038 +)))
1039 +)))
1040 +
1041 +* (((
1042 +(((
1043 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
1044 +)))
1045 +)))
1046 +* (((
1047 +(((
1048 +LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1049 +)))
1050 +)))
1051 +
1052 +(((
1053 +(((
1054 +
1055 +)))
1056 +
1057 +(((
1058 +There are two kinds of commands to configure LDDS75, they are:
1059 +)))
1060 +)))
1061 +
1062 +* (((
1063 +(((
1064 +(% style="color:#4f81bd" %)** General Commands**.
1065 +)))
1066 +)))
1067 +
1068 +(((
1069 +(((
1070 +These commands are to configure:
1071 +)))
1072 +)))
1073 +
1074 +* (((
1075 +(((
1076 +General system settings like: uplink interval.
1077 +)))
1078 +)))
1079 +* (((
1080 +(((
1081 +LoRaWAN protocol & radio related command.
1082 +)))
1083 +)))
1084 +
1085 +(((
1086 +(((
1087 +They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
1088 +)))
1089 +)))
1090 +
1091 +(((
1092 +(((
1093 +
1094 +)))
1095 +)))
1096 +
1097 +* (((
1098 +(((
1099 +(% style="color:#4f81bd" %)** Commands special design for LDDS75**
1100 +)))
1101 +)))
1102 +
1103 +(((
1104 +(((
1105 +These commands only valid for LDDS75, as below:
1106 +)))
1107 +)))
1108 +
1109 +
1110 +
1111 +== 3.1  Access AT Commands ==
1112 +
1113 +LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
1114 +
1115 +[[image:image-20220610172924-4.png||height="483" width="988"]]
1116 +
1117 +
1118 +Or if you have below board, use below connection:
1119 +
1120 +
1121 +[[image:image-20220610172924-5.png]]
1122 +
1123 +
1124 +(((
1125 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
1126 +)))
1127 +
1128 +
1129 + [[image:image-20220610172924-6.png||height="601" width="860"]]
1130 +
1131 +
1132 +
709 709  == 3.2  Set Transmit Interval Time ==
710 710  
711 711  Feature: Change LoRaWAN End Node Transmit Interval.
image-20220615102527-16.png
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