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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 67.25
edited by Xiaoling
on 2023/06/12 16:32
Change comment: Update document after refactoring.
To version 70.5
edited by Xiaoling
on 2023/06/12 17:17
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1 -DDS75-LB_LoRaWAN_Distance_Detection_Sensor_User_Manual
1 +DDS75-LB -- LoRaWAN Distance Detection Sensor User Manual
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1 1  (% style="text-align:center" %)
2 -[[image:image-20230530140053-1.jpeg||height="645" width="645"]]
2 +[[image:image-20230612170349-1.png||height="656" width="656"]]
3 3  
4 4  
5 5  
6 6  
7 -
8 8  **Table of Contents：**
9 9  
10 10  {{toc/}}
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16 16  
17 17  = 1. Introduction =
18 18  
19 -== 1.1 What is SW3L-LB LoRaWAN Flow Sensor ==
18 +== 1.1 What is LoRaWAN Distance Detection Sensor ==
20 20  
21 21  
22 -The Dragino SW3L-LB is a (% style="color:blue" %)**LoRaWAN Flow Sensor**(%%). It detects water flow volume and uplink to IoT server via LoRaWAN network. User can use this to(% style="color:blue" %)** monitor the water usage for buildings.**
21 +The Dragino DDS75-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 DDS75-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.
23 23  
24 -The SW3L-LB will send water flow volume every 20 minutes. It can also (% style="color:blue" %)**detect the water flow status**(%%) and (% style="color:blue" %)**send Alarm**(%%), to avoid the waste for water usage such as broken toilet case.
23 +It detects the distance(% style="color:blue" %)**  between the measured object and the sensor**(%%), and uploads the value via wireless to LoRaWAN IoT Server.
25 25  
26 -SW3L-LB is designed for both indoor and outdoor use. It has a weatherproof enclosure and industrial level battery to work in low to high temperatures.
27 -
28 28  The LoRa wireless technology used in SW3L-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 29  
30 30  SW3L-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
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33 33  
34 34  Each SW3L-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 35  
33 +[[image:image-20230612170943-2.png||height="525" width="912"]]
36 36  
37 -[[image:image-20230530135919-1.png||height="404" width="806"]]
38 38  
39 -
40 40  == 1.2 ​Features ==
41 41  
42 42  
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43 43  * LoRaWAN 1.0.3 Class A
44 44  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
45 45  * Ultra-low power consumption
46 -* Upload water flow volume
47 -* Monitor water waste
48 -* AT Commands to change parameters
49 -* supports Datalog feature
42 +* Distance Detection by Ultrasonic technology
43 +* Flat object range 280mm - 7500mm
44 +* Accuracy: ±(1cm+S*0.3%) (S: Distance)
45 +* Cable Length : 25cm
50 50  * Support Bluetooth v5.1 and LoRaWAN remote configure
51 51  * Support wireless OTA update firmware
52 -* Uplink on periodically and open/close event
48 +* AT Commands to change parameters
53 53  * Downlink to change configure
50 +* IP66 Waterproof Enclosure
54 54  * 8500mAh Battery for long term use
55 55  
56 -
57 -
58 58  == 1.3 Specification ==
59 59  
60 60  
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83 83  * Sleep Mode: 5uA @ 3.3v
84 84  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
85 85  
86 -
87 -
88 88  == 1.4 Applications ==
89 89  
90 90  
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93 93  * Toilet Flow Sensor
94 94  * Monitor Waste water
95 95  
96 -
97 -
98 98  == 1.5 Sleep mode and working mode ==
99 99  
100 100  
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122 122  )))
123 123  |(% 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.
124 124  
125 -
126 -
127 127  == 1.7 BLE connection ==
128 128  
129 129  
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200 200  
201 201  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.
202 202  
203 -[[image:image-20230530135929-2.png||height="404" width="806"]](% style="display:none" %)
192 +[[image:image-20230612171032-3.png||height="492" width="855"]](% style="display:none" %)
204 204  
205 205  
206 206  (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from SW3L-LB.
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675 675  
676 676  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
677 677  
678 -
679 -
680 680  == 3.2 General Commands ==
681 681  
682 682  
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739 739  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
740 740  )))
741 741  
742 -
743 -
744 744  === 3.3.2 Quit AT Command ===
745 745  
746 746  
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880 880  
881 881  * **Example**: 0XA501  ~/~/  Same as AT+CALCFLAG =1
882 882  
883 -
884 -
885 885  === 3.3.7 Set count number ===
886 886  
887 887  
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900 900  
901 901  * **Example**: 0xA6000064  ~/~/  Same as AT+ SETCNT =100
902 902  
903 -
904 -
905 905  === 3.3.8 Set Interrupt Mode ===
906 906  
907 907  
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936 936  
937 937  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
938 938  
939 -
940 -
941 941  === 3.3.9 Set work mode ===
942 942  
943 943  
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957 957  
958 958  * **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
959 959  
960 -
961 -
962 962  = 4. Battery & Power Consumption =
963 963  
964 964  
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987 987  
988 988  * 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]]**.
989 989  
990 -
991 -
992 992  = 6. FAQ =
993 993  
994 994  == 6.1  AT Commands input doesn't work ==
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1068 1068  
1069 1069  * Weight / pcs : g
1070 1070  
1071 -
1072 -
1073 1073  = 9. Support =
1074 1074  
1075 1075  
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