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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.7
edited by Xiaoling
on 2022/06/15 10:54
Change comment: There is no comment for this version
To version 175.19
edited by Xiaoling
on 2022/06/15 11:08
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -100,6 +100,9 @@
100 100  * IP66 Waterproof Enclosure
101 101  * 8500mAh Battery for long term use
102 102  
103 +
104 +
105 +
103 103  == 1.3  Suitable Container & Liquid ==
104 104  
105 105  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -109,6 +109,9 @@
109 109  ** Pure non metal material: <10 mm
110 110  * Pure liquid without irregular deposition.
111 111  
115 +
116 +
117 +
112 112  == 1.4  Mechanical ==
113 113  
114 114  [[image:image-20220615090910-1.png]]
... ... @@ -362,7 +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 -
366 366  === 2.3.3  Interrupt Pin ===
367 367  
368 368  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.
... ... @@ -494,7 +494,6 @@
494 494  * Solid ON for 5 seconds once device successful Join the network.
495 495  * Blink once when device transmit a packet.
496 496  
497 -
498 498  == 2.7  ​Firmware Change Log ==
499 499  
500 500  
... ... @@ -704,38 +704,8 @@
704 704  
705 705  
706 706  
707 -== 3.2  Set Transmit Interval Time ==
711 +== 3.2  Set Interrupt Mode ==
708 708  
709 -Feature: Change LoRaWAN End Node Transmit Interval.
710 -
711 -(% style="color:#037691" %)**AT Command: AT+TDC**
712 -
713 -[[image:image-20220610173409-7.png]]
714 -
715 -
716 -(((
717 -(% style="color:#037691" %)**Downlink Command: 0x01**
718 -)))
719 -
720 -(((
721 -(((
722 -Format: Command Code (0x01) followed by 3 bytes time value.
723 -
724 -(((
725 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
726 -)))
727 -
728 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
729 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
730 -)))
731 -)))
732 -
733 -
734 -
735 -
736 -
737 -== 3.3  Set Interrupt Mode ==
738 -
739 739  Feature, Set Interrupt mode for GPIO_EXIT.
740 740  
741 741  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
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754 754  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
755 755  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
756 756  
731 +
732 +
757 757  = 4.  FAQ =
758 758  
759 -== 4.1  What is the frequency plan for LDDS75? ==
735 +== 4.1  What is the frequency plan for LDDS20? ==
760 760  
761 -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"]]
737 +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"]]
762 762  
763 763  
764 764  
765 765  == 4.2  How to change the LoRa Frequency Bands/Region ==
766 766  
767 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
743 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.7A0200BFirmwareChangeLog"]].
768 768  When downloading the images, choose the required image file for download. ​
769 769  
770 770  
771 771  
772 -== 4.3  Can I use LDDS75 in condensation environment? ==
773 -
774 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
775 -
776 -
777 -
778 778  = 5.  Trouble Shooting =
779 779  
780 780  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
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794 794  = 6.  Order Info =
795 795  
796 796  
797 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
767 +Part Number **:** (% style="color:blue" %)**LDDS20-XX**
798 798  
799 799  
800 800  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
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808 808  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
809 809  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
810 810  
811 -(% style="color:blue" %)**YY**(%%): Battery Option
812 812  
813 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
814 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
815 -
816 816  = 7. ​ Packing Info =
817 817  
818 818  
819 819  **Package Includes**:
820 820  
821 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
787 +* LDDS20 LoRaWAN Liquid Level Sensor x 1
822 822  
789 +
790 +(% style="color:red" %)**Note:**
791 +
792 +(% 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.
793 +
794 +
823 823  **Dimension and weight**:
824 824  
825 825  * Device Size: cm
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827 827  * Package Size / pcs : cm
828 828  * Weight / pcs : g
829 829  
802 +
830 830  = 8.  ​Support =
831 831  
832 832  * 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.