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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 174.7
edited by Xiaoling
on 2022/06/15 10:34
Change comment: There is no comment for this version
To version 175.13
edited by Xiaoling
on 2022/06/15 11:00
Change comment: There is no comment for this version

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... ... @@ -362,8 +362,6 @@
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  
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.
... ... @@ -407,7 +407,7 @@
407 407  While using TTN network, you can add the payload format to decode the payload.
408 408  
409 409  
410 -[[image:1654850829385-439.png]]
408 +[[image:1655261164557-670.png]]
411 411  
412 412  The payload decoder function for TTN V3 is here:
413 413  
... ... @@ -495,8 +495,6 @@
495 495  * Solid ON for 5 seconds once device successful Join the network.
496 496  * Blink once when device transmit a packet.
497 497  
498 -
499 -
500 500  == 2.7  ​Firmware Change Log ==
501 501  
502 502  
... ... @@ -570,138 +570,144 @@
570 570  
571 571  
572 572  
573 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
569 += 3.  Using the AT Commands =
574 574  
575 575  (((
576 576  (((
577 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
573 +
578 578  )))
579 579  )))
580 580  
581 -* (((
582 -(((
583 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
584 -)))
585 -)))
586 -* (((
587 -(((
588 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
589 -)))
590 -)))
577 +== 3.1  Access AT Commands ==
591 591  
592 -(((
593 -(((
594 -
595 -)))
579 +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.
596 596  
597 -(((
598 -There are two kinds of commands to configure LDDS75, they are:
599 -)))
600 -)))
601 601  
602 -* (((
603 -(((
604 -(% style="color:#4f81bd" %)** General Commands**.
605 -)))
606 -)))
582 +[[image:image-20220610172924-4.png||height="483" width="988"]]
607 607  
608 -(((
609 -(((
610 -These commands are to configure:
611 -)))
612 -)))
613 613  
614 -* (((
615 -(((
616 -General system settings like: uplink interval.
617 -)))
618 -)))
619 -* (((
620 -(((
621 -LoRaWAN protocol & radio related command.
622 -)))
623 -)))
585 +Or if you have below board, use below connection:
624 624  
625 -(((
626 -(((
627 -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]]
628 -)))
629 -)))
630 630  
631 -(((
632 -(((
633 -
634 -)))
635 -)))
588 +[[image:image-20220610172924-5.png]]
636 636  
637 -* (((
638 -(((
639 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
640 -)))
641 -)))
642 642  
643 643  (((
644 -(((
645 -These commands only valid for LDDS75, as below:
592 +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:
646 646  )))
647 -)))
648 648  
649 649  
596 + [[image:image-20220610172924-6.png||height="601" width="860"]]
650 650  
651 -== 3.1  Access AT Commands ==
598 +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/]].
652 652  
653 -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.
654 654  
655 -[[image:image-20220610172924-4.png||height="483" width="988"]]
601 +AT+<CMD>?  :  Help on <CMD>
656 656  
603 +AT+<CMD>  :  Run <CMD>
657 657  
658 -Or if you have below board, use below connection:
605 +AT+<CMD>=<value>  :  Set the value
659 659  
607 +AT+<CMD>=?  :  Get the value
660 660  
661 -[[image:image-20220610172924-5.png]]
662 662  
610 +(% style="color:#037691" %)** General Commands :**     
663 663  
664 -(((
665 -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:
666 -)))
612 +AT  :  Attention       
667 667  
614 +AT?  :  Short Help     
668 668  
669 - [[image:image-20220610172924-6.png||height="601" width="860"]]
616 +ATZ :  MCU Reset    
670 670  
618 +AT+TDC :  Application Data Transmission Interval 
671 671  
672 672  
673 -== 3.2  Set Transmit Interval Time ==
621 +(% style="color:#037691" %)** Keys, IDs and EUIs management :**
674 674  
675 -Feature: Change LoRaWAN End Node Transmit Interval.
623 +AT+APPEUI  :  Application EUI      
676 676  
677 -(% style="color:#037691" %)**AT Command: AT+TDC**
625 +AT+APPKEY  :  Application Key     
678 678  
679 -[[image:image-20220610173409-7.png]]
627 +AT+APPSKEY  :  Application Session Key
680 680  
629 +AT+DADDR :  Device Address     
681 681  
682 -(((
683 -(% style="color:#037691" %)**Downlink Command: 0x01**
684 -)))
631 +AT+DEUI :  Device EUI     
685 685  
686 -(((
687 -(((
688 -Format: Command Code (0x01) followed by 3 bytes time value.
633 +AT+NWKID  :  Network ID (You can enter this command change only after successful network connection) 
689 689  
690 -(((
691 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
692 -)))
635 +AT+NWKSKEY  : Network Session Key Joining and sending date on LoRa network  
693 693  
694 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
695 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
696 -)))
697 -)))
637 +AT+CFM :  Confirm Mode       
698 698  
639 +AT+CFS :  Confirm Status       
699 699  
641 +AT+JOIN  :  Join LoRa? Network       
700 700  
643 +AT+NJM  :  LoRa? Network Join Mode    
701 701  
645 +AT+NJS  :  LoRa? Network Join Status    
702 702  
703 -== 3.3  Set Interrupt Mode ==
647 +AT+RECV  :  Print Last Received Data in Raw Format
704 704  
649 +AT+RECVB :  Print Last Received Data in Binary Format      
650 +
651 +AT+SEND  :  Send Text Data      
652 +
653 +AT+SENB  :  Send Hexadecimal Data
654 +
655 +
656 +(% style="color:#037691" %)** LoRa Network Management :**
657 +
658 +AT+ADR  :  Adaptive Rate
659 +
660 +AT+CLASS  :  LoRa Class(Currently only support class A
661 +
662 +AT+DCS  :  Duty Cycle Setting 
663 +
664 +AT+DR  :  Data Rate (Can Only be Modified after ADR=0)     
665 +
666 +AT+FCD  :  Frame Counter Downlink       
667 +
668 +AT+FCU  :  Frame Counter Uplink   
669 +
670 +AT+JN1DL  :  Join Accept Delay1
671 +
672 +AT+JN2DL  :  Join Accept Delay2
673 +
674 +AT+PNM  :  Public Network Mode   
675 +
676 +AT+RX1DL  :  Receive Delay1      
677 +
678 +AT+RX2DL  :  Receive Delay2      
679 +
680 +AT+RX2DR  :  Rx2 Window Data Rate 
681 +
682 +AT+RX2FQ  :  Rx2 Window Frequency
683 +
684 +AT+TXP  :  Transmit Power
685 +
686 +
687 +(% style="color:#037691" %)** Information :**
688 +
689 +AT+RSSI  :  RSSI of the Last Received Packet   
690 +
691 +AT+SNR  :  SNR of the Last Received Packet   
692 +
693 +AT+VER  :  Image Version and Frequency Band       
694 +
695 +AT+FDR  :  Factory Data Reset
696 +
697 +AT+PORT  :  Application Port    
698 +
699 +AT+CHS  :  Get or Set Frequency (Unit: Hz) for Single Channel Mode
700 +
701 + AT+CHE  :  Get or Set eight channels mode, Only for US915, AU915, CN470
702 +
703 +
704 +
705 +== 3.2  Set Interrupt Mode ==
706 +
705 705  Feature, Set Interrupt mode for GPIO_EXIT.
706 706  
707 707  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
... ... @@ -720,27 +720,22 @@
720 720  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
721 721  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
722 722  
725 +
723 723  = 4.  FAQ =
724 724  
725 -== 4.1  What is the frequency plan for LDDS75? ==
728 +== 4.1  What is the frequency plan for LDDS20? ==
726 726  
727 -LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
730 +LDDS20 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
728 728  
729 729  
730 730  
731 731  == 4.2  How to change the LoRa Frequency Bands/Region ==
732 732  
733 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
736 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.7A0200BFirmwareChangeLog"]].
734 734  When downloading the images, choose the required image file for download. ​
735 735  
736 736  
737 737  
738 -== 4.3  Can I use LDDS75 in condensation environment? ==
739 -
740 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
741 -
742 -
743 -
744 744  = 5.  Trouble Shooting =
745 745  
746 746  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
... ... @@ -760,7 +760,7 @@
760 760  = 6.  Order Info =
761 761  
762 762  
763 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
760 +Part Number **:** (% style="color:blue" %)**LDDS20-XX**
764 764  
765 765  
766 766  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
... ... @@ -774,10 +774,7 @@
774 774  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
775 775  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
776 776  
777 -(% style="color:blue" %)**YY**(%%): Battery Option
778 778  
779 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
780 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
781 781  
782 782  = 7. ​ Packing Info =
783 783  
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1 +XWiki.Xiaoling
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