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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 73.8
edited by Xiaoling
on 2023/06/13 10:59
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To version 75.4
edited by Xiaoling
on 2023/06/13 13:41
Change comment: There is no comment for this version

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Title
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1 -DDS45-LB -- LoRaWAN Distance Detection Sensor User Manual
1 +DDS20-LB -- LoRaWAN Ultrasonic Liquid Level Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20230613100900-1.png||height="650" width="650"]]
2 +[[image:image-20230613133716-2.png||height="717" width="717"]]
3 3  
4 4  
5 5  
6 +
7 +
8 +
9 +
10 +
6 6  **Table of Contents：**
7 7  
8 8  {{toc/}}
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14 14  
15 15  = 1. Introduction =
16 16  
17 -== 1.1 What is LoRaWAN Distance Detection Sensor ==
22 +== 1.1 What is LoRaWAN Ultrasonic liquid level Sensor ==
18 18  
19 19  
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.
25 +The Dragino DDS20-LB is a **LoRaWAN Ultrasonic liquid level sensor** for Internet of Things solution. It uses **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
21 21  
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.
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 **none-contact measurement makes the measurement safety, easier and possible for some strict situation**. 
23 23  
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.
29 +DDS20-LB uses ultrasonic sensing technology for distance measurement. DDS20-LB is of high accuracy to measure various liquid such as: **toxic substances**, **strong acids**, **strong alkalis** and **various pure liquids** in high-temperature and high-pressure airtight containers.
25 25  
26 -DDS45-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
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.
27 27  
28 -DDS45-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
33 +DDS20-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
29 29  
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.
35 +DDS20-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
31 31  
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 +
32 32  [[image:image-20230613102459-3.png||height="476" width="855"]]
33 33  
34 34  
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50 50  * IP66 Waterproof Enclosure
51 51  * 8500mAh Battery for long term use
52 52  
60 +
53 53  == 1.3 Specification ==
54 54  
55 55  
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78 78  * Sleep Mode: 5uA @ 3.3v
79 79  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
80 80  
89 +
81 81  == 1.4 Rated environmental conditions ==
82 82  
83 83  
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132 132  * Sewer
133 133  * Bottom water level monitoring
134 134  
144 +
135 135  == 1.7 Sleep mode and working mode ==
136 136  
137 137  
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159 159  )))
160 160  |(% 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.
161 161  
172 +
162 162  == 1.9 BLE connection ==
163 163  
164 164  
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196 196  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS45%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654915562090-396.png?rev=1.1||alt="1654915562090-396.png"]]
197 197  
198 198  
199 -
200 -
201 201  = 2. Configure DDS45-LB to connect to LoRaWAN network =
202 202  
203 203  == 2.1 How it works ==
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306 306  (% style="color:blue" %)**0B05(H) = 2821 (D) = 2821 mm.**
307 307  )))
308 308  
309 -
310 310  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
311 311  * If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
312 312  
313 313  
314 -
315 315  === 2.3.3  Interrupt Pin ===
316 316  
317 317  
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502 502  
503 503  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
504 504  
512 +
505 505  == 3.2 General Commands ==
506 506  
507 507  
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565 565  )))
566 566  
567 567  
568 -
569 569  === 3.3.2 Set Interrupt Mode ===
570 570  
571 571  
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601 601  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
602 602  
603 603  
604 -
605 605  = 4. Battery & Power Consumption =
606 606  
607 607  
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631 631  * 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]]**.
632 632  
633 633  
634 -
635 635  = 6. FAQ =
636 636  
637 637  == 6.1  What is the frequency plan for DDS45-LB? ==
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715 715  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
716 716  
717 717  
718 -
719 719  = 9. ​Packing Info =
720 720  
721 721  
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734 734  * Weight / pcs : g
735 735  
736 736  
737 -
738 738  = 10. Support =
739 739  
740 740  
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