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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 68.1
edited by Xiaoling
on 2023/06/12 17:03
Change comment: Uploaded new attachment "image-20230612170349-1.png", version {1}
To version 70.5
edited by Xiaoling
on 2023/06/12 17:17
Change comment: There is no comment for this version

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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 57  == 1.3 Specification ==
58 58  
59 59  
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82 82  * Sleep Mode: 5uA @ 3.3v
83 83  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
84 84  
85 -
86 86  == 1.4 Applications ==
87 87  
88 88  
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91 91  * Toilet Flow Sensor
92 92  * Monitor Waste water
93 93  
94 -
95 95  == 1.5 Sleep mode and working mode ==
96 96  
97 97  
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119 119  )))
120 120  |(% 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.
121 121  
122 -
123 123  == 1.7 BLE connection ==
124 124  
125 125  
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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-20230530135929-2.png||height="404" width="806"]](% style="display:none" %)
192 +[[image:image-20230612171032-3.png||height="492" width="855"]](% style="display:none" %)
200 200  
201 201  
202 202  (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from SW3L-LB.
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671 671  
672 672  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
673 673  
674 -
675 675  == 3.2 General Commands ==
676 676  
677 677  
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734 734  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
735 735  )))
736 736  
737 -
738 738  === 3.3.2 Quit AT Command ===
739 739  
740 740  
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874 874  
875 875  * **Example**: 0XA501  ~/~/  Same as AT+CALCFLAG =1
876 876  
877 -
878 878  === 3.3.7 Set count number ===
879 879  
880 880  
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893 893  
894 894  * **Example**: 0xA6000064  ~/~/  Same as AT+ SETCNT =100
895 895  
896 -
897 897  === 3.3.8 Set Interrupt Mode ===
898 898  
899 899  
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928 928  
929 929  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
930 930  
931 -
932 932  === 3.3.9 Set work mode ===
933 933  
934 934  
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948 948  
949 949  * **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
950 950  
951 -
952 952  = 4. Battery & Power Consumption =
953 953  
954 954  
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977 977  
978 978  * 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]]**.
979 979  
980 -
981 981  = 6. FAQ =
982 982  
983 983  == 6.1  AT Commands input doesn't work ==
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1057 1057  
1058 1058  * Weight / pcs : g
1059 1059  
1060 -
1061 1061  = 9. Support =
1062 1062  
1063 1063  
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