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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.20
edited by Xiaoling
on 2022/06/15 11:08
Change comment: There is no comment for this version
To version 175.1
edited by Xiaoling
on 2022/06/15 10:46
Change comment: Uploaded new attachment "1655261164557-670.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -100,9 +100,6 @@
100 100  * IP66 Waterproof Enclosure
101 101  * 8500mAh Battery for long term use
102 102  
103 -
104 -
105 -
106 106  == 1.3  Suitable Container & Liquid ==
107 107  
108 108  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -112,9 +112,6 @@
112 112  ** Pure non metal material: <10 mm
113 113  * Pure liquid without irregular deposition.
114 114  
115 -
116 -
117 -
118 118  == 1.4  Mechanical ==
119 119  
120 120  [[image:image-20220615090910-1.png]]
... ... @@ -204,9 +204,6 @@
204 204  * Smart liquid control solution.
205 205  * Smart liquefied gas solution.
206 206  
207 -
208 -
209 -
210 210  == 1.7  Precautions ==
211 211  
212 212  * 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.
... ... @@ -371,6 +371,8 @@
371 371  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
372 372  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
373 373  
365 +
366 +
374 374  === 2.3.3  Interrupt Pin ===
375 375  
376 376  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.
... ... @@ -414,7 +414,7 @@
414 414  While using TTN network, you can add the payload format to decode the payload.
415 415  
416 416  
417 -[[image:1655261164557-670.png]]
410 +[[image:1654850829385-439.png]]
418 418  
419 419  The payload decoder function for TTN V3 is here:
420 420  
... ... @@ -502,6 +502,8 @@
502 502  * Solid ON for 5 seconds once device successful Join the network.
503 503  * Blink once when device transmit a packet.
504 504  
498 +
499 +
505 505  == 2.7  ​Firmware Change Log ==
506 506  
507 507  
... ... @@ -616,103 +616,133 @@
616 616  AT+<CMD>=?  :  Get the value
617 617  
618 618  
619 -(% style="color:#037691" %)** General Commands :**     
614 +**General Commands :** 
620 620  
621 -AT  :  Attention       
616 +AT                    : Attention       
622 622  
623 -AT?  :  Short Help     
618 +AT?                            : Short Help     
624 624  
625 -ATZ :  MCU Reset    
620 +ATZ                            : MCU Reset    
626 626  
627 -AT+TDC :  Application Data Transmission Interval 
622 +AT+TDC           : Application Data Transmission Interval 
628 628  
629 629  
630 -(% style="color:#037691" %)** Keys, IDs and EUIs management :**
625 +**Keys, IDs and EUIs management :**
631 631  
632 -AT+APPEUI  :  Application EUI      
627 +AT+APPEUI              : Application EUI      
633 633  
634 -AT+APPKEY  :  Application Key     
629 +AT+APPKEY              : Application Key     
635 635  
636 -AT+APPSKEY  :  Application Session Key
631 +AT+APPSKEY            : Application Session Key
637 637  
638 -AT+DADDR :  Device Address     
633 +AT+DADDR              : Device Address     
639 639  
640 -AT+DEUI :  Device EUI     
635 +AT+DEUI                   : Device EUI     
641 641  
642 -AT+NWKID  :  Network ID (You can enter this command change only after successful network connection) 
637 +AT+NWKID               : Network ID (You can enter this command change only after successful network connection) 
643 643  
644 -AT+NWKSKEY  : Network Session Key Joining and sending date on LoRa network  
639 +AT+NWKSKEY          : Network Session Key Joining and sending date on LoRa network  
645 645  
646 -AT+CFM :  Confirm Mode       
641 +AT+CFM          : Confirm Mode       
647 647  
648 -AT+CFS :  Confirm Status       
643 +AT+CFS                     : Confirm Status       
649 649  
650 -AT+JOIN  :  Join LoRa? Network       
645 +AT+JOIN          : Join LoRa? Network       
651 651  
652 -AT+NJM  :  LoRa? Network Join Mode    
647 +AT+NJM          : LoRa? Network Join Mode    
653 653  
654 -AT+NJS  :  LoRa? Network Join Status    
649 +AT+NJS                     : LoRa? Network Join Status    
655 655  
656 -AT+RECV  :  Print Last Received Data in Raw Format
651 +AT+RECV                  : Print Last Received Data in Raw Format
657 657  
658 -AT+RECVB :  Print Last Received Data in Binary Format      
653 +AT+RECVB                : Print Last Received Data in Binary Format      
659 659  
660 -AT+SEND  :  Send Text Data      
655 +AT+SEND                  : Send Text Data      
661 661  
662 -AT+SENB  :  Send Hexadecimal Data
657 +AT+SENB                  : Send Hexadecimal Data
663 663  
664 664  
665 -(% style="color:#037691" %)** LoRa Network Management :**
660 +**LoRa Network Management :**
666 666  
667 -AT+ADR  :  Adaptive Rate
662 +AT+ADR          : Adaptive Rate
668 668  
669 -AT+CLASS  :  LoRa Class(Currently only support class A
664 +AT+CLASS                : LoRa Class(Currently only support class A
670 670  
671 -AT+DCS  :  Duty Cycle Setting 
666 +AT+DCS           : Duty Cycle Setting 
672 672  
673 -AT+DR  :  Data Rate (Can Only be Modified after ADR=0)     
668 +AT+DR                      : Data Rate (Can Only be Modified after ADR=0)     
674 674  
675 -AT+FCD  :  Frame Counter Downlink       
670 +AT+FCD           : Frame Counter Downlink       
676 676  
677 -AT+FCU  :  Frame Counter Uplink   
672 +AT+FCU           : Frame Counter Uplink   
678 678  
679 -AT+JN1DL  :  Join Accept Delay1
674 +AT+JN1DL                : Join Accept Delay1
680 680  
681 -AT+JN2DL  :  Join Accept Delay2
676 +AT+JN2DL                : Join Accept Delay2
682 682  
683 -AT+PNM  :  Public Network Mode   
678 +AT+PNM                   : Public Network Mode   
684 684  
685 -AT+RX1DL  :  Receive Delay1      
680 +AT+RX1DL                : Receive Delay1      
686 686  
687 -AT+RX2DL  :  Receive Delay2      
682 +AT+RX2DL                : Receive Delay2      
688 688  
689 -AT+RX2DR  :  Rx2 Window Data Rate 
684 +AT+RX2DR               : Rx2 Window Data Rate 
690 690  
691 -AT+RX2FQ  :  Rx2 Window Frequency
686 +AT+RX2FQ               : Rx2 Window Frequency
692 692  
693 -AT+TXP  :  Transmit Power
688 +AT+TXP           : Transmit Power
694 694  
695 695  
696 -(% style="color:#037691" %)** Information :**
691 +**Information :**
697 697  
698 -AT+RSSI  :  RSSI of the Last Received Packet   
693 +AT+RSSI           : RSSI of the Last Received Packet   
699 699  
700 -AT+SNR  :  SNR of the Last Received Packet   
695 +AT+SNR           : SNR of the Last Received Packet   
701 701  
702 -AT+VER  :  Image Version and Frequency Band       
697 +AT+VER           : Image Version and Frequency Band       
703 703  
704 -AT+FDR  :  Factory Data Reset
699 +AT+FDR           : Factory Data Reset
705 705  
706 -AT+PORT  :  Application Port    
701 +AT+PORT                  : Application Port    
707 707  
708 -AT+CHS  :  Get or Set Frequency (Unit: Hz) for Single Channel Mode
703 +AT+CHS           : Get or Set Frequency (Unit: Hz) for Single Channel Mode
709 709  
710 - AT+CHE  :  Get or Set eight channels mode, Only for US915, AU915, CN470
705 + AT+CHE                   : Get or Set eight channels mode, Only for US915, AU915, CN470
711 711  
712 712  
713 713  
714 -== 3.2  Set Interrupt Mode ==
709 +== 3.2  Set Transmit Interval Time ==
715 715  
711 +Feature: Change LoRaWAN End Node Transmit Interval.
712 +
713 +(% style="color:#037691" %)**AT Command: AT+TDC**
714 +
715 +[[image:image-20220610173409-7.png]]
716 +
717 +
718 +(((
719 +(% style="color:#037691" %)**Downlink Command: 0x01**
720 +)))
721 +
722 +(((
723 +(((
724 +Format: Command Code (0x01) followed by 3 bytes time value.
725 +
726 +(((
727 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
728 +)))
729 +
730 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
731 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
732 +)))
733 +)))
734 +
735 +
736 +
737 +
738 +
739 +== 3.3  Set Interrupt Mode ==
740 +
716 716  Feature, Set Interrupt mode for GPIO_EXIT.
717 717  
718 718  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
... ... @@ -731,23 +731,27 @@
731 731  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
732 732  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
733 733  
734 -
735 -
736 736  = 4.  FAQ =
737 737  
738 -== 4.1  What is the frequency plan for LDDS20? ==
761 +== 4.1  What is the frequency plan for LDDS75? ==
739 739  
740 -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"]]
763 +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"]]
741 741  
742 742  
743 743  
744 744  == 4.2  How to change the LoRa Frequency Bands/Region ==
745 745  
746 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.7A0200BFirmwareChangeLog"]].
769 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
747 747  When downloading the images, choose the required image file for download. ​
748 748  
749 749  
750 750  
774 +== 4.3  Can I use LDDS75 in condensation environment? ==
775 +
776 +LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
777 +
778 +
779 +
751 751  = 5.  Trouble Shooting =
752 752  
753 753  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
... ... @@ -767,7 +767,7 @@
767 767  = 6.  Order Info =
768 768  
769 769  
770 -Part Number **:** (% style="color:blue" %)**LDDS20-XX**
799 +Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
771 771  
772 772  
773 773  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
... ... @@ -781,20 +781,18 @@
781 781  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
782 782  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
783 783  
813 +(% style="color:blue" %)**YY**(%%): Battery Option
784 784  
815 +* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
816 +* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
817 +
785 785  = 7. ​ Packing Info =
786 786  
787 787  
788 788  **Package Includes**:
789 789  
790 -* LDDS20 LoRaWAN Liquid Level Sensor x 1
823 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
791 791  
792 -
793 -(% style="color:red" %)**Note:**
794 -
795 -(% style="color:red" %)**Ultrasonic coupling paste**(%%) and(% style="color:red" %)** Eproxy AB glue**(%%) are subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
796 -
797 -
798 798  **Dimension and weight**:
799 799  
800 800  * Device Size: cm
... ... @@ -802,7 +802,6 @@
802 802  * Package Size / pcs : cm
803 803  * Weight / pcs : g
804 804  
805 -
806 806  = 8.  ​Support =
807 807  
808 808  * 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.