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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 69.1
edited by Xiaoling
on 2023/06/12 17:09
Change comment: Uploaded new attachment "image-20230612170943-2.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

Summary

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15 15  
16 16  = 1. Introduction =
17 17  
18 -== 1.1 What is SW3L-LB LoRaWAN Flow Sensor ==
18 +== 1.1 What is LoRaWAN Distance Detection Sensor ==
19 19  
20 20  
21 -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.
22 22  
23 -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.
24 24  
25 -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.
26 -
27 27  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.
28 28  
29 29  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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32 32  
33 33  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.
34 34  
33 +[[image:image-20230612170943-2.png||height="525" width="912"]]
35 35  
36 -[[image:image-20230530135919-1.png||height="404" width="806"]]
37 37  
38 -
39 39  == 1.2 ​Features ==
40 40  
41 41  
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42 42  * LoRaWAN 1.0.3 Class A
43 43  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
44 44  * Ultra-low power consumption
45 -* Upload water flow volume
46 -* Monitor water waste
47 -* AT Commands to change parameters
48 -* 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
49 49  * Support Bluetooth v5.1 and LoRaWAN remote configure
50 50  * Support wireless OTA update firmware
51 -* Uplink on periodically and open/close event
48 +* AT Commands to change parameters
52 52  * Downlink to change configure
50 +* IP66 Waterproof Enclosure
53 53  * 8500mAh Battery for long term use
54 54  
55 -
56 56  == 1.3 Specification ==
57 57  
58 58  
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81 81  * Sleep Mode: 5uA @ 3.3v
82 82  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
83 83  
84 -
85 85  == 1.4 Applications ==
86 86  
87 87  
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90 90  * Toilet Flow Sensor
91 91  * Monitor Waste water
92 92  
93 -
94 94  == 1.5 Sleep mode and working mode ==
95 95  
96 96  
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118 118  )))
119 119  |(% 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.
120 120  
121 -
122 122  == 1.7 BLE connection ==
123 123  
124 124  
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195 195  
196 196  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.
197 197  
198 -[[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" %)
199 199  
200 200  
201 201  (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from SW3L-LB.
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670 670  
671 671  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
672 672  
673 -
674 674  == 3.2 General Commands ==
675 675  
676 676  
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733 733  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
734 734  )))
735 735  
736 -
737 737  === 3.3.2 Quit AT Command ===
738 738  
739 739  
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873 873  
874 874  * **Example**: 0XA501  ~/~/  Same as AT+CALCFLAG =1
875 875  
876 -
877 877  === 3.3.7 Set count number ===
878 878  
879 879  
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892 892  
893 893  * **Example**: 0xA6000064  ~/~/  Same as AT+ SETCNT =100
894 894  
895 -
896 896  === 3.3.8 Set Interrupt Mode ===
897 897  
898 898  
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927 927  
928 928  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
929 929  
930 -
931 931  === 3.3.9 Set work mode ===
932 932  
933 933  
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947 947  
948 948  * **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
949 949  
950 -
951 951  = 4. Battery & Power Consumption =
952 952  
953 953  
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976 976  
977 977  * 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]]**.
978 978  
979 -
980 980  = 6. FAQ =
981 981  
982 982  == 6.1  AT Commands input doesn't work ==
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1056 1056  
1057 1057  * Weight / pcs : g
1058 1058  
1059 -
1060 1060  = 9. Support =
1061 1061  
1062 1062  
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Author
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1 +XWiki.Xiaoling
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