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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 174.8
edited by Xiaoling
on 2022/06/15 10:37
Change comment: There is no comment for this version
To version 175.15
edited by Xiaoling
on 2022/06/15 11:03
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  
... ... @@ -593,46 +593,121 @@
593 593  
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 LDDS75. LDDS75 will output system info once power on 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:
597 597  )))
598 598  
599 599  
600 600   [[image:image-20220610172924-6.png||height="601" width="860"]]
601 601  
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/]].
602 602  
603 603  
604 -== 3.2  Set Transmit Interval Time ==
601 +AT+<CMD>?  :  Help on <CMD>
605 605  
606 -Feature: Change LoRaWAN End Node Transmit Interval.
603 +AT+<CMD>  :  Run <CMD>
607 607  
608 -(% style="color:#037691" %)**AT Command: AT+TDC**
605 +AT+<CMD>=<value>  :  Set the value
609 609  
610 -[[image:image-20220610173409-7.png]]
607 +AT+<CMD>=?  :  Get the value
611 611  
612 612  
613 -(((
614 -(% style="color:#037691" %)**Downlink Command: 0x01**
615 -)))
610 +(% style="color:#037691" %)** General Commands :**     
616 616  
617 -(((
618 -(((
619 -Format: Command Code (0x01) followed by 3 bytes time value.
612 +AT  :  Attention       
620 620  
621 -(((
622 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
623 -)))
614 +AT?  :  Short Help     
624 624  
625 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
626 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
627 -)))
628 -)))
616 +ATZ :  MCU Reset    
629 629  
618 +AT+TDC :  Application Data Transmission Interval 
630 630  
631 631  
621 +(% style="color:#037691" %)** Keys, IDs and EUIs management :**
632 632  
623 +AT+APPEUI  :  Application EUI      
633 633  
634 -== 3.3  Set Interrupt Mode ==
625 +AT+APPKEY  :  Application Key     
635 635  
627 +AT+APPSKEY  :  Application Session Key
628 +
629 +AT+DADDR :  Device Address     
630 +
631 +AT+DEUI :  Device EUI     
632 +
633 +AT+NWKID  :  Network ID (You can enter this command change only after successful network connection) 
634 +
635 +AT+NWKSKEY  : Network Session Key Joining and sending date on LoRa network  
636 +
637 +AT+CFM :  Confirm Mode       
638 +
639 +AT+CFS :  Confirm Status       
640 +
641 +AT+JOIN  :  Join LoRa? Network       
642 +
643 +AT+NJM  :  LoRa? Network Join Mode    
644 +
645 +AT+NJS  :  LoRa? Network Join Status    
646 +
647 +AT+RECV  :  Print Last Received Data in Raw Format
648 +
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 +
636 636  Feature, Set Interrupt mode for GPIO_EXIT.
637 637  
638 638  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
... ... @@ -653,25 +653,19 @@
653 653  
654 654  = 4.  FAQ =
655 655  
656 -== 4.1  What is the frequency plan for LDDS75? ==
727 +== 4.1  What is the frequency plan for LDDS20? ==
657 657  
658 -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"]]
729 +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"]]
659 659  
660 660  
661 661  
662 662  == 4.2  How to change the LoRa Frequency Bands/Region ==
663 663  
664 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
735 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.7A0200BFirmwareChangeLog"]].
665 665  When downloading the images, choose the required image file for download. ​
666 666  
667 667  
668 668  
669 -== 4.3  Can I use LDDS75 in condensation environment? ==
670 -
671 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
672 -
673 -
674 -
675 675  = 5.  Trouble Shooting =
676 676  
677 677  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
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691 691  = 6.  Order Info =
692 692  
693 693  
694 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
759 +Part Number **:** (% style="color:blue" %)**LDDS20-XX**
695 695  
696 696  
697 697  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
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705 705  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
706 706  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
707 707  
708 -(% style="color:blue" %)**YY**(%%): Battery Option
709 709  
710 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
711 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
712 -
713 713  = 7. ​ Packing Info =
714 714  
715 715  
716 716  **Package Includes**:
717 717  
718 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
779 +* LDDS20 LoRaWAN Liquid Level Sensor x 1
719 719  
781 +Note:
782 +
783 +Ultrasonic coupling paste and Eproxy AB glue are subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
784 +
720 720  **Dimension and weight**:
721 721  
722 722  * Device Size: cm
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724 724  * Package Size / pcs : cm
725 725  * Weight / pcs : g
726 726  
792 +
727 727  = 8.  ​Support =
728 728  
729 729  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
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1 +XWiki.Xiaoling
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