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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 79.18
edited by Xiaoling
on 2023/06/13 15:50
Change comment: There is no comment for this version
To version 80.3
edited by Xiaoling
on 2023/06/14 15:53
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 +LDS12-LB -- LoRaWAN LiDAR ToF Distance 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-20230614153353-1.png]]
3 3  
4 4  
5 5  
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7 7  
8 8  
9 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 ==
21 +== 1.1 What is LoRaWAN LiDAR ToF Distance 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 (% style="color:blue" %)**height of liquid**(%%) in a container without opening the container, and send the value via LoRaWAN network to IoT Server.
24 +The Dragino LDS12-LB is a (% style="color:blue" %)**LoRaWAN LiDAR ToF (Time of Flight) Distance Sensor**(%%) for Internet of Things solution. It is capable to measure the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)!. The LiDAR probe uses laser induction technology for distance measurement.
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 none-contact measurement makes the measurement safety, easier and possible for some strict situation. 
26 +The LDS12-LB can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
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.
28 +It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
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.
30 +The LoRa wireless technology used in LDS12-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.
32 32  
33 -DDS20-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
32 +LDS12-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
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.
34 +LDS12-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
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.
36 +Each LDS12-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 38  
39 39  [[image:image-20230613140115-3.png||height="453" width="800"]]
40 40  
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58 58  * 8500mAh Battery for long term use
59 59  
60 60  
61 -
62 62  == 1.3 Specification ==
63 63  
64 64  
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88 88  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
89 89  
90 90  
91 -
92 92  == 1.4 Suitable Container & Liquid ==
93 93  
94 94  
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100 100  * Pure liquid without irregular deposition.
101 101  
102 102  
103 -
104 104  (% style="display:none" %)
105 105  
106 106  == 1.5 Install DDS20-LB ==
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209 209  * Smart liquefied gas solution
210 210  
211 211  
212 -
213 213  == 1.7 Precautions ==
214 214  
215 215  
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219 219  
220 220  * 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.
221 221  
222 -
223 223  (% style="display:none" %)
224 224  
225 225  == 1.8 Sleep mode and working mode ==
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250 250  |(% 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.
251 251  
252 252  
253 -
254 254  == 1.10 BLE connection ==
255 255  
256 256  
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402 402  
403 403  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
404 404  
398 +
405 405  === 2.3.3  Interrupt Pin ===
406 406  
407 407  
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493 493  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png"]]
494 494  
495 495  
496 -
497 497  == 2.6 Datalog Feature ==
498 498  
499 499  
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592 592  
593 593  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
594 594  
588 +
595 595  == 3.2 General Commands ==
596 596  
597 597  
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652 652  )))
653 653  * (((
654 654  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds 
649 +
650 +
651 +
655 655  )))
656 656  
657 657  === 3.3.2 Set Interrupt Mode ===
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688 688  
689 689  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
690 690  
688 +
691 691  = 4. Battery & Power Consumption =
692 692  
693 693  
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716 716  
717 717  * 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]]**.
718 718  
717 +
719 719  = 6. FAQ =
720 720  
721 721  == 6.1  What is the frequency plan for DDS20-LB? ==
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777 777  
778 778  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
779 779  
779 +
780 780  = 9. ​Packing Info =
781 781  
782 782  
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794 794  
795 795  * Weight / pcs : g
796 796  
797 +
797 797  = 10. Support =
798 798  
799 799  
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Author
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1 +XWiki.Xiaoling
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1 +112.1 KB
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