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Last modified by Mengting Qiu on 2023/12/14 11:15
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edited by Xiaoling
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1 -DS20L_LoRaWAN_Smart_Distance_Detector_User_Manual
1 +DS20L -- LoRaWAN Smart Distance Detector User Manual
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1 1  (% style="text-align:center" %)
2 -[[image:image-20230614153353-1.png]]
2 +[[image:image-20231110085342-2.png||height="481" width="481"]]
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 Smart Distance Detector ==
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 (% style="color:blue" %)**DS20L is a smart distance detector**(%%) base on long-range wireless LoRaWAN technology. It uses (% style="color:blue" %)**LiDAR sensor**(%%) to detect the distance between DS20L and object, then DS20L will send the distance data to the IoT Platform via LoRaWAN.
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 +DS20L allows users to send data and reach extremely long ranges via LoRaWAN. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current 
28 +consumption. It targets professional wireless sensor network applications such smart cities, building automation, and so on.
27 27  
28 -It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
30 +DS20L has a (% style="color:blue" %)**built-in 2400mAh non-chargeable battery**(%%) for long-term use up to several years*. Users can also power DS20L with an external power source for (% style="color:blue" %)**continuous measuring and distance alarm / counting purposes.**
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.
32 +DS20L is fully compatible with (% style="color:blue" %)**LoRaWAN v1.0.3 Class A protocol**(%%), it can work with a standard LoRaWAN gateway.
31 31  
32 -LDS12-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
34 +DS20L supports (% style="color:blue" %)**Datalog feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
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.
36 +[[image:image-20231110091506-4.png||height="391" width="768"]]
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 37  
38 -[[image:image-20230615152941-1.png||height="459" width="800"]]
39 -
40 -
41 41  == 1.2 ​Features ==
42 42  
43 43  
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54 54  * Downlink to change configure
55 55  * 8500mAh Battery for long term use
56 56  
57 -
58 58  == 1.3 Specification ==
59 59  
60 60  
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100 100  * Sleep Mode: 5uA @ 3.3v
101 101  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
102 102  
103 -
104 104  == 1.4 Applications ==
105 105  
106 106  
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112 112  * Automatic control
113 113  * Sewer
114 114  
115 -
116 116  (% style="display:none" %)
117 117  
118 118  == 1.5 Sleep mode and working mode ==
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142 142  )))
143 143  |(% 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.
144 144  
145 -
146 146  == 1.7 BLE connection ==
147 147  
148 148  
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196 196  
197 197  The LPS8v2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
198 198  
199 -[[image:image-20230615153004-2.png||height="459" width="800"]](% style="display:none" %)
193 +[[image:image-20231110091447-3.png||height="383" width="752"]](% style="display:none" %)
200 200  
201 201  
202 202  (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB.
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718 718  * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
719 719  * The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window.
720 720  
721 -
722 722  === 2.7.4  Reflectivity of different objects ===
723 723  
724 724  
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745 745  |(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200%
746 746  |(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300%
747 747  
748 -
749 749  = 3. Configure LDS12-LB =
750 750  
751 751  == 3.1 Configure Methods ==
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759 759  
760 760  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
761 761  
762 -
763 763  == 3.2 General Commands ==
764 764  
765 765  
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863 863  
864 864  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
865 865  
866 -
867 867  === 3.3.3  Set Power Output Duration ===
868 868  
869 869  Control the output duration 3V3(pin of VBAT_OUT) . Before each sampling, device will
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893 893  * Example 2: Downlink Payload: 07 01 01 F4  **~-~-->**  AT+3V3T=500
894 894  * Example 3: Downlink Payload: 07 01 FF FF  **~-~-->**  AT+3V3T=65535
895 895  
896 -
897 897  = 4. Battery & Power Consumption =
898 898  
899 899  
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922 922  
923 923  * 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]]**.
924 924  
925 -
926 926  = 6. FAQ =
927 927  
928 928  == 6.1 What is the frequency plan for LDS12-LB? ==
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983 983  
984 984  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
985 985  
986 -
987 987  = 9. ​Packing Info =
988 988  
989 989  
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1001 1001  
1002 1002  * Weight / pcs : g
1003 1003  
1004 -
1005 1005  = 10. Support =
1006 1006  
1007 1007  
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