Skip to Content
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 175.12
edited by Xiaoling
on 2022/06/15 10:59
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -405,7 +405,7 @@
405 405  While using TTN network, you can add the payload format to decode the payload.
406 406  
407 407  
408 -[[image:1654850829385-439.png]]
408 +[[image:1655261164557-670.png]]
409 409  
410 410  The payload decoder function for TTN V3 is here:
411 411  
... ... @@ -491,16 +491,13 @@
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 +* Blink once when device transmit a packet.
494 494  
495 -Blink once when device transmit a packet.
496 +== 2.7  ​Firmware Change Log ==
496 496  
497 497  
498 -
499 -== 2.8  ​Firmware Change Log ==
500 -
501 -
502 502  (((
503 -**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/]]
500 +**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/]]
504 504  )))
505 505  
506 506  (((
... ... @@ -508,46 +508,45 @@
508 508  )))
509 509  
510 510  (((
511 -**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
508 +**Firmware Upgrade Method:  [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]**
512 512  )))
513 513  
514 514  
515 515  
516 -== 2.9  Mechanical ==
513 +== 2.8  Battery Analysis ==
517 517  
518 518  
519 -[[image:image-20220610172003-1.png]]
520 520  
521 521  
522 -[[image:image-20220610172003-2.png]]
518 +=== 2.8.1  Battery Type ===
523 523  
520 +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.
524 524  
525 525  
526 -== 2.10  Battery Analysis ==
527 -
528 -=== 2.10.1  Battery Type ===
529 -
530 -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.
531 -
532 -
533 533  The battery related documents as below:
534 534  
535 535  * (((
536 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
526 +[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
537 537  )))
538 538  * (((
539 -[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
529 +[[Lithium-Thionyl Chloride Battery  datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
540 540  )))
541 541  * (((
542 -[[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]]
532 +[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
543 543  )))
544 544  
545 - [[image:image-20220610172400-3.png]]
535 + [[image:image-20220615102527-16.png]]
546 546  
547 547  
548 548  
549 -=== 2.10.2  Replace the battery ===
539 +== 2.8.2  Battery Note ==
550 550  
541 +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.
542 +
543 +
544 +
545 +=== 2.8.3  Replace the battery ===
546 +
551 551  (((
552 552  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.
553 553  )))
... ... @@ -562,138 +562,152 @@
562 562  
563 563  
564 564  
565 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
561 +== 2.8.4  Battery Life Analyze ==
566 566  
567 -(((
568 -(((
569 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
570 -)))
571 -)))
563 +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:
572 572  
573 -* (((
574 -(((
575 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
576 -)))
577 -)))
578 -* (((
579 -(((
580 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
581 -)))
582 -)))
565 +[[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]]
583 583  
584 -(((
585 -(((
586 -
587 -)))
588 588  
589 -(((
590 -There are two kinds of commands to configure LDDS75, they are:
591 -)))
592 -)))
593 593  
594 -* (((
595 -(((
596 -(% style="color:#4f81bd" %)** General Commands**.
597 -)))
598 -)))
569 += 3.  Using the AT Commands =
599 599  
600 600  (((
601 601  (((
602 -These commands are to configure:
573 +
603 603  )))
604 604  )))
605 605  
606 -* (((
607 -(((
608 -General system settings like: uplink interval.
609 -)))
610 -)))
611 -* (((
612 -(((
613 -LoRaWAN protocol & radio related command.
614 -)))
615 -)))
577 +== 3.1  Access AT Commands ==
616 616  
617 -(((
618 -(((
619 -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]]
620 -)))
621 -)))
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.
622 622  
623 -(((
624 -(((
625 -
626 -)))
627 -)))
628 628  
629 -* (((
630 -(((
631 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
632 -)))
633 -)))
582 +[[image:image-20220610172924-4.png||height="483" width="988"]]
634 634  
584 +
585 +Or if you have below board, use below connection:
586 +
587 +
588 +[[image:image-20220610172924-5.png]]
589 +
590 +
635 635  (((
636 -(((
637 -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:
638 638  )))
639 -)))
640 640  
641 641  
596 + [[image:image-20220610172924-6.png||height="601" width="860"]]
642 642  
643 -== 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/]].
644 644  
645 -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.
646 646  
647 -[[image:image-20220610172924-4.png||height="483" width="988"]]
601 +AT+<CMD>?  :  Help on <CMD>
648 648  
603 +AT+<CMD>  :  Run <CMD>
649 649  
650 -Or if you have below board, use below connection:
605 +AT+<CMD>=<value>  :  Set the value
651 651  
607 +AT+<CMD>=?  :  Get the value
652 652  
653 -[[image:image-20220610172924-5.png]]
654 654  
610 +(% style="color:#037691" %)** General Commands :**     
655 655  
656 -(((
657 -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:
658 -)))
612 +AT  :  Attention       
659 659  
614 +AT?  :  Short Help     
660 660  
661 - [[image:image-20220610172924-6.png||height="601" width="860"]]
616 +ATZ :  MCU Reset    
662 662  
618 +AT+TDC :  Application Data Transmission Interval 
663 663  
664 664  
665 -== 3.2  Set Transmit Interval Time ==
621 +(% style="color:#037691" %)** Keys, IDs and EUIs management :**
666 666  
667 -Feature: Change LoRaWAN End Node Transmit Interval.
623 +AT+APPEUI  :  Application EUI      
668 668  
669 -(% style="color:#037691" %)**AT Command: AT+TDC**
625 +AT+APPKEY  :  Application Key     
670 670  
671 -[[image:image-20220610173409-7.png]]
627 +AT+APPSKEY  :  Application Session Key
672 672  
629 +AT+DADDR :  Device Address     
673 673  
674 -(((
675 -(% style="color:#037691" %)**Downlink Command: 0x01**
676 -)))
631 +AT+DEUI :  Device EUI     
677 677  
678 -(((
679 -(((
680 -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) 
681 681  
682 -(((
683 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
684 -)))
635 +AT+NWKSKEY  : Network Session Key Joining and sending date on LoRa network  
685 685  
686 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
687 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
688 -)))
689 -)))
637 +AT+CFM :  Confirm Mode       
690 690  
639 +AT+CFS :  Confirm Status       
691 691  
641 +AT+JOIN  :  Join LoRa? Network       
692 692  
643 +AT+NJM  :  LoRa? Network Join Mode    
693 693  
645 +AT+NJS  :  LoRa? Network Join Status    
694 694  
695 -== 3.3  Set Interrupt Mode ==
647 +AT+RECV  :  Print Last Received Data in Raw Format
696 696  
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 +
697 697  Feature, Set Interrupt mode for GPIO_EXIT.
698 698  
699 699  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
... ... @@ -712,27 +712,22 @@
712 712  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
713 713  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
714 714  
725 +
715 715  = 4.  FAQ =
716 716  
717 -== 4.1  What is the frequency plan for LDDS75? ==
728 +== 4.1  What is the frequency plan for LDDS20? ==
718 718  
719 -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"]]
720 720  
721 721  
722 722  
723 723  == 4.2  How to change the LoRa Frequency Bands/Region ==
724 724  
725 -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"]].
726 726  When downloading the images, choose the required image file for download. ​
727 727  
728 728  
729 729  
730 -== 4.3  Can I use LDDS75 in condensation environment? ==
731 -
732 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
733 -
734 -
735 -
736 736  = 5.  Trouble Shooting =
737 737  
738 738  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1655261164557-670.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +59.2 KB
Content
image-20220615102527-16.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +182.9 KB
Content