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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 75.5
edited by Xiaoling
on 2023/06/13 13:43
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To version 73.11
edited by Xiaoling
on 2023/06/13 11:40
Change comment: There is no comment for this version

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Title
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1 -DDS20-LB -- LoRaWAN Ultrasonic Liquid Level Sensor User Manual
1 +DDS45-LB -- LoRaWAN Distance Detection Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20230613133716-2.png||height="717" width="717"]]
2 +[[image:image-20230613100900-1.png||height="650" width="650"]]
3 3  
4 4  
5 5  
6 -
7 -
8 -
9 -
10 -
11 11  **Table of Contents：**
12 12  
13 13  {{toc/}}
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19 19  
20 20  = 1. Introduction =
21 21  
22 -== 1.1 What is LoRaWAN Ultrasonic liquid level Sensor ==
17 +== 1.1 What is LoRaWAN Distance Detection Sensor ==
23 23  
24 24  
25 -The Dragino DDS20-LB is a (% style="color:blue" %)**LoRaWAN Ultrasonic liquid level sensor**(%%) for Internet of Things solution. It uses (% style="color:blue" %)**none-contact method **(%%)to measure the height of liquid in a container without opening the container, and send the value via LoRaWAN network to IoT Server
20 +The Dragino DDS45-LB is a (% style="color:blue" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:blue" %)** ultrasonic sensing technology**(%%) for (% style="color:blue" %)**distance measurement**(%%), and (% style="color:blue" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The DDS45-LB can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
26 26  
27 -The DDS20-LB sensor is installed directly below the container to detect the height of the liquid level. User doesn't need to open a hole on the container to be tested. The (% style="color:blue" %)**none-contact measurement makes the measurement safety, easier and possible for some strict situation**. 
22 +It detects the distance(% style="color:blue" %)**  between the measured object and the sensor**(%%), and uploads the value via wireless to LoRaWAN IoT Server.
28 28  
29 -DDS20-LB uses (% style="color:blue" %)**ultrasonic sensing technology**(%%) for distance measurement. DDS20-LB is of high accuracy to measure various liquid such as: (% style="color:blue" %)**toxic substances**(%%), (% style="color:blue" %)**strong acids**(%%), (% style="color:blue" %)**strong alkalis**(%%) and (% style="color:blue" %)**various pure liquids**(%%) in high-temperature and high-pressure airtight containers.
24 +The LoRa wireless technology used in DDS45-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
30 30  
31 -The LoRa wireless technology used in DDS20-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
26 +DDS45-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
32 32  
33 -DDS20-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
28 +DDS45-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
34 34  
35 -DDS20-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
30 +Each DDS45-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
36 36  
37 -Each DDS20-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
38 -
39 39  [[image:image-20230613102459-3.png||height="476" width="855"]]
40 40  
41 41  
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58 58  * 8500mAh Battery for long term use
59 59  
60 60  
54 +
61 61  == 1.3 Specification ==
62 62  
63 63  
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87 87  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
88 88  
89 89  
84 +
90 90  == 1.4 Rated environmental conditions ==
91 91  
92 92  
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142 142  * Bottom water level monitoring
143 143  
144 144  
140 +
145 145  == 1.7 Sleep mode and working mode ==
146 146  
147 147  
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170 170  |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
171 171  
172 172  
169 +
173 173  == 1.9 BLE connection ==
174 174  
175 175  
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319 319  * If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
320 320  
321 321  
319 +
322 322  === 2.3.3  Interrupt Pin ===
323 323  
324 324  
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510 510  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
511 511  
512 512  
511 +
513 513  == 3.2 General Commands ==
514 514  
515 515  
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573 573  )))
574 574  
575 575  
575 +
576 576  === 3.3.2 Set Interrupt Mode ===
577 577  
578 578  
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608 608  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
609 609  
610 610  
611 +
611 611  = 4. Battery & Power Consumption =
612 612  
613 613  
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637 637  * Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
638 638  
639 639  
641 +
640 640  = 6. FAQ =
641 641  
642 642  == 6.1  What is the frequency plan for DDS45-LB? ==
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720 720  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
721 721  
722 722  
725 +
723 723  = 9. ​Packing Info =
724 724  
725 725  
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738 738  * Weight / pcs : g
739 739  
740 740  
744 +
741 741  = 10. Support =
742 742  
743 743  
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