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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 80.3
edited by Xiaoling
on 2023/06/14 15:53
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To version 79.20
edited by Xiaoling
on 2023/06/14 15:26
Change comment: Update document after refactoring.

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1 -LDS12-LB -- LoRaWAN LiDAR ToF Distance 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-20230614153353-1.png]]
2 +[[image:image-20230613133716-2.png||height="717" width="717"]]
3 3  
4 4  
5 5  
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7 7  
8 8  
9 9  
10 +
10 10  **Table of Contents：**
11 11  
12 12  {{toc/}}
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18 18  
19 19  = 1. Introduction =
20 20  
21 -== 1.1 What is LoRaWAN LiDAR ToF Distance Sensor ==
22 +== 1.1 What is LoRaWAN Ultrasonic liquid level Sensor ==
22 22  
23 23  
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.
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.
25 25  
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.
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. 
27 27  
28 -It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
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.
29 29  
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.
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.
31 31  
32 -LDS12-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
33 +DDS20-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
33 33  
34 -LDS12-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
35 +DDS20-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
35 35  
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.
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.
37 37  
38 38  [[image:image-20230613140115-3.png||height="453" width="800"]]
39 39  
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57 57  * 8500mAh Battery for long term use
58 58  
59 59  
61 +
60 60  == 1.3 Specification ==
61 61  
62 62  
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86 86  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
87 87  
88 88  
91 +
89 89  == 1.4 Suitable Container & Liquid ==
90 90  
91 91  
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97 97  * Pure liquid without irregular deposition.
98 98  
99 99  
103 +
100 100  (% style="display:none" %)
101 101  
102 102  == 1.5 Install DDS20-LB ==
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205 205  * Smart liquefied gas solution
206 206  
207 207  
212 +
208 208  == 1.7 Precautions ==
209 209  
210 210  
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214 214  
215 215  * 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.
216 216  
222 +
217 217  (% style="display:none" %)
218 218  
219 219  == 1.8 Sleep mode and working mode ==
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244 244  |(% 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.
245 245  
246 246  
253 +
247 247  == 1.10 BLE connection ==
248 248  
249 249  
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396 396  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
397 397  
398 398  
406 +
399 399  === 2.3.3  Interrupt Pin ===
400 400  
401 401  
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586 586  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
587 587  
588 588  
597 +
589 589  == 3.2 General Commands ==
590 590  
591 591  
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686 686  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
687 687  
688 688  
698 +
689 689  = 4. Battery & Power Consumption =
690 690  
691 691  
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715 715  * 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]]**.
716 716  
717 717  
728 +
718 718  = 6. FAQ =
719 719  
720 720  == 6.1  What is the frequency plan for DDS20-LB? ==
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777 777  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
778 778  
779 779  
791 +
780 780  = 9. ​Packing Info =
781 781  
782 782  
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795 795  * Weight / pcs : g
796 796  
797 797  
810 +
798 798  = 10. Support =
799 799  
800 800  
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1 -XWiki.Xiaoling
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