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

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]]
... ... @@ -368,6 +368,7 @@
368 368  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
369 369  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
370 370  
365 +
371 371  === 2.3.3  Interrupt Pin ===
372 372  
373 373  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.
... ... @@ -499,6 +499,7 @@
499 499  * Solid ON for 5 seconds once device successful Join the network.
500 500  * Blink once when device transmit a packet.
501 501  
497 +
502 502  == 2.7  ​Firmware Change Log ==
503 503  
504 504  
... ... @@ -708,8 +708,38 @@
708 708  
709 709  
710 710  
711 -== 3.2  Set Interrupt Mode ==
707 +== 3.2  Set Transmit Interval Time ==
712 712  
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 +
713 713  Feature, Set Interrupt mode for GPIO_EXIT.
714 714  
715 715  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
... ... @@ -728,23 +728,27 @@
728 728  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
729 729  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
730 730  
731 -
732 -
733 733  = 4.  FAQ =
734 734  
735 -== 4.1  What is the frequency plan for LDDS20? ==
759 +== 4.1  What is the frequency plan for LDDS75? ==
736 736  
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"]]
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"]]
738 738  
739 739  
740 740  
741 741  == 4.2  How to change the LoRa Frequency Bands/Region ==
742 742  
743 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.7A0200BFirmwareChangeLog"]].
767 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
744 744  When downloading the images, choose the required image file for download. ​
745 745  
746 746  
747 747  
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 +
748 748  = 5.  Trouble Shooting =
749 749  
750 750  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
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764 764  = 6.  Order Info =
765 765  
766 766  
767 -Part Number **:** (% style="color:blue" %)**LDDS20-XX**
797 +Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
768 768  
769 769  
770 770  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
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778 778  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
779 779  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
780 780  
811 +(% style="color:blue" %)**YY**(%%): Battery Option
781 781  
813 +* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
814 +* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
815 +
782 782  = 7. ​ Packing Info =
783 783  
784 784  
785 785  **Package Includes**:
786 786  
787 -* LDDS20 LoRaWAN Liquid Level Sensor x 1
821 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
788 788  
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 -
795 795  **Dimension and weight**:
796 796  
797 797  * Device Size: cm
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799 799  * Package Size / pcs : cm
800 800  * Weight / pcs : g
801 801  
802 -
803 803  = 8.  ​Support =
804 804  
805 805  * 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.