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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.21
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.
... ... @@ -213,9 +213,6 @@
213 213  * 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.
214 214  * 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.
215 215  
216 -
217 -
218 -
219 219  == 1.8  Pin mapping and power on ==
220 220  
221 221  
... ... @@ -374,6 +374,8 @@
374 374  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
375 375  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
376 376  
365 +
366 +
377 377  === 2.3.3  Interrupt Pin ===
378 378  
379 379  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.
... ... @@ -417,7 +417,7 @@
417 417  While using TTN network, you can add the payload format to decode the payload.
418 418  
419 419  
420 -[[image:1655261164557-670.png]]
410 +[[image:1654850829385-439.png]]
421 421  
422 422  The payload decoder function for TTN V3 is here:
423 423  
... ... @@ -505,6 +505,8 @@
505 505  * Solid ON for 5 seconds once device successful Join the network.
506 506  * Blink once when device transmit a packet.
507 507  
498 +
499 +
508 508  == 2.7  ​Firmware Change Log ==
509 509  
510 510  
... ... @@ -619,103 +619,133 @@
619 619  AT+<CMD>=?  :  Get the value
620 620  
621 621  
622 -(% style="color:#037691" %)** General Commands :**     
614 +**General Commands :** 
623 623  
624 -AT  :  Attention       
616 +AT                    : Attention       
625 625  
626 -AT?  :  Short Help     
618 +AT?                            : Short Help     
627 627  
628 -ATZ :  MCU Reset    
620 +ATZ                            : MCU Reset    
629 629  
630 -AT+TDC :  Application Data Transmission Interval 
622 +AT+TDC           : Application Data Transmission Interval 
631 631  
632 632  
633 -(% style="color:#037691" %)** Keys, IDs and EUIs management :**
625 +**Keys, IDs and EUIs management :**
634 634  
635 -AT+APPEUI  :  Application EUI      
627 +AT+APPEUI              : Application EUI      
636 636  
637 -AT+APPKEY  :  Application Key     
629 +AT+APPKEY              : Application Key     
638 638  
639 -AT+APPSKEY  :  Application Session Key
631 +AT+APPSKEY            : Application Session Key
640 640  
641 -AT+DADDR :  Device Address     
633 +AT+DADDR              : Device Address     
642 642  
643 -AT+DEUI :  Device EUI     
635 +AT+DEUI                   : Device EUI     
644 644  
645 -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) 
646 646  
647 -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  
648 648  
649 -AT+CFM :  Confirm Mode       
641 +AT+CFM          : Confirm Mode       
650 650  
651 -AT+CFS :  Confirm Status       
643 +AT+CFS                     : Confirm Status       
652 652  
653 -AT+JOIN  :  Join LoRa? Network       
645 +AT+JOIN          : Join LoRa? Network       
654 654  
655 -AT+NJM  :  LoRa? Network Join Mode    
647 +AT+NJM          : LoRa? Network Join Mode    
656 656  
657 -AT+NJS  :  LoRa? Network Join Status    
649 +AT+NJS                     : LoRa? Network Join Status    
658 658  
659 -AT+RECV  :  Print Last Received Data in Raw Format
651 +AT+RECV                  : Print Last Received Data in Raw Format
660 660  
661 -AT+RECVB :  Print Last Received Data in Binary Format      
653 +AT+RECVB                : Print Last Received Data in Binary Format      
662 662  
663 -AT+SEND  :  Send Text Data      
655 +AT+SEND                  : Send Text Data      
664 664  
665 -AT+SENB  :  Send Hexadecimal Data
657 +AT+SENB                  : Send Hexadecimal Data
666 666  
667 667  
668 -(% style="color:#037691" %)** LoRa Network Management :**
660 +**LoRa Network Management :**
669 669  
670 -AT+ADR  :  Adaptive Rate
662 +AT+ADR          : Adaptive Rate
671 671  
672 -AT+CLASS  :  LoRa Class(Currently only support class A
664 +AT+CLASS                : LoRa Class(Currently only support class A
673 673  
674 -AT+DCS  :  Duty Cycle Setting 
666 +AT+DCS           : Duty Cycle Setting 
675 675  
676 -AT+DR  :  Data Rate (Can Only be Modified after ADR=0)     
668 +AT+DR                      : Data Rate (Can Only be Modified after ADR=0)     
677 677  
678 -AT+FCD  :  Frame Counter Downlink       
670 +AT+FCD           : Frame Counter Downlink       
679 679  
680 -AT+FCU  :  Frame Counter Uplink   
672 +AT+FCU           : Frame Counter Uplink   
681 681  
682 -AT+JN1DL  :  Join Accept Delay1
674 +AT+JN1DL                : Join Accept Delay1
683 683  
684 -AT+JN2DL  :  Join Accept Delay2
676 +AT+JN2DL                : Join Accept Delay2
685 685  
686 -AT+PNM  :  Public Network Mode   
678 +AT+PNM                   : Public Network Mode   
687 687  
688 -AT+RX1DL  :  Receive Delay1      
680 +AT+RX1DL                : Receive Delay1      
689 689  
690 -AT+RX2DL  :  Receive Delay2      
682 +AT+RX2DL                : Receive Delay2      
691 691  
692 -AT+RX2DR  :  Rx2 Window Data Rate 
684 +AT+RX2DR               : Rx2 Window Data Rate 
693 693  
694 -AT+RX2FQ  :  Rx2 Window Frequency
686 +AT+RX2FQ               : Rx2 Window Frequency
695 695  
696 -AT+TXP  :  Transmit Power
688 +AT+TXP           : Transmit Power
697 697  
698 698  
699 -(% style="color:#037691" %)** Information :**
691 +**Information :**
700 700  
701 -AT+RSSI  :  RSSI of the Last Received Packet   
693 +AT+RSSI           : RSSI of the Last Received Packet   
702 702  
703 -AT+SNR  :  SNR of the Last Received Packet   
695 +AT+SNR           : SNR of the Last Received Packet   
704 704  
705 -AT+VER  :  Image Version and Frequency Band       
697 +AT+VER           : Image Version and Frequency Band       
706 706  
707 -AT+FDR  :  Factory Data Reset
699 +AT+FDR           : Factory Data Reset
708 708  
709 -AT+PORT  :  Application Port    
701 +AT+PORT                  : Application Port    
710 710  
711 -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
712 712  
713 - 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
714 714  
715 715  
716 716  
717 -== 3.2  Set Interrupt Mode ==
709 +== 3.2  Set Transmit Interval Time ==
718 718  
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 +
719 719  Feature, Set Interrupt mode for GPIO_EXIT.
720 720  
721 721  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
... ... @@ -734,23 +734,27 @@
734 734  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
735 735  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
736 736  
737 -
738 -
739 739  = 4.  FAQ =
740 740  
741 -== 4.1  What is the frequency plan for LDDS20? ==
761 +== 4.1  What is the frequency plan for LDDS75? ==
742 742  
743 -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"]]
744 744  
745 745  
746 746  
747 747  == 4.2  How to change the LoRa Frequency Bands/Region ==
748 748  
749 -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"]].
750 750  When downloading the images, choose the required image file for download. ​
751 751  
752 752  
753 753  
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 +
754 754  = 5.  Trouble Shooting =
755 755  
756 756  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
... ... @@ -770,7 +770,7 @@
770 770  = 6.  Order Info =
771 771  
772 772  
773 -Part Number **:** (% style="color:blue" %)**LDDS20-XX**
799 +Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
774 774  
775 775  
776 776  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
... ... @@ -784,20 +784,18 @@
784 784  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
785 785  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
786 786  
813 +(% style="color:blue" %)**YY**(%%): Battery Option
787 787  
815 +* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
816 +* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
817 +
788 788  = 7. ​ Packing Info =
789 789  
790 790  
791 791  **Package Includes**:
792 792  
793 -* LDDS20 LoRaWAN Liquid Level Sensor x 1
823 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
794 794  
795 -
796 -(% style="color:red" %)**Note:**
797 -
798 -(% 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.
799 -
800 -
801 801  **Dimension and weight**:
802 802  
803 803  * Device Size: cm
... ... @@ -805,7 +805,6 @@
805 805  * Package Size / pcs : cm
806 806  * Weight / pcs : g
807 807  
808 -
809 809  = 8.  ​Support =
810 810  
811 811  * 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.