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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 70.5
edited by Xiaoling
on 2023/06/12 17:17
Change comment: There is no comment for this version
To version 67.22
edited by Xiaoling
on 2023/05/30 16:24
Change comment: There is no comment for this version

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Title
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1 -DDS75-LB -- LoRaWAN Distance Detection Sensor User Manual
1 +SW3L-LB -- LoRaWAN Flow Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20230612170349-1.png||height="656" width="656"]]
2 +[[image:image-20230530140053-1.jpeg||height="645" width="645"]]
3 3  
4 4  
5 5  
6 6  
7 +
7 7  **Table of Contents：**
8 8  
9 9  {{toc/}}
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15 15  
16 16  = 1. Introduction =
17 17  
18 -== 1.1 What is LoRaWAN Distance Detection Sensor ==
19 +== 1.1 What is SW3L-LB LoRaWAN Flow Sensor ==
19 19  
20 20  
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 +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.**
22 22  
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 +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.
24 24  
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 +
25 25  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.
26 26  
27 27  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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30 30  
31 31  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.
32 32  
33 -[[image:image-20230612170943-2.png||height="525" width="912"]]
34 34  
37 +[[image:image-20230530135919-1.png||height="404" width="806"]]
35 35  
39 +
36 36  == 1.2 ​Features ==
37 37  
38 38  
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39 39  * LoRaWAN 1.0.3 Class A
40 40  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
41 41  * Ultra-low power consumption
42 -* Distance Detection by Ultrasonic technology
43 -* Flat object range 280mm - 7500mm
44 -* Accuracy: ±(1cm+S*0.3%) (S: Distance)
45 -* Cable Length : 25cm
46 +* Upload water flow volume
47 +* Monitor water waste
48 +* AT Commands to change parameters
49 +* supports Datalog feature
46 46  * Support Bluetooth v5.1 and LoRaWAN remote configure
47 47  * Support wireless OTA update firmware
48 -* AT Commands to change parameters
52 +* Uplink on periodically and open/close event
49 49  * Downlink to change configure
50 -* IP66 Waterproof Enclosure
51 51  * 8500mAh Battery for long term use
52 52  
53 53  == 1.3 Specification ==
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145 145  )))
146 146  
147 147  
148 -
149 149  == 2.10 Mechanical ==
150 150  
151 151  
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189 189  
190 190  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.
191 191  
192 -[[image:image-20230612171032-3.png||height="492" width="855"]](% style="display:none" %)
194 +[[image:image-20230530135929-2.png||height="404" width="806"]](% style="display:none" %)
193 193  
194 194  
195 195  (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from SW3L-LB.
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484 484  )))
485 485  
486 486  (((
487 -(% style="color:blue" %)**a) DR0:**(%%) max is 11 bytes so one entry of data
489 +(% style="color:blue" %)**a) DR0:(%%)** max is 11 bytes so one entry of data
488 488  )))
489 489  
490 490  (((
491 -(% style="color:blue" %)**b) DR1:**(%%) max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
493 +(% style="color:blue" %)**b) DR1:(%%)** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
492 492  )))
493 493  
494 494  (((
495 -(% style="color:blue" %)**c) DR2:**(%%) total payload includes 11 entries of data
497 +(% style="color:blue" %)**c) DR2:(%%)** total payload includes 11 entries of data
496 496  )))
497 497  
498 498  (((
499 -(% style="color:blue" %)**d) DR3:**(%%) total payload includes 22 entries of data.
501 +(% style="color:blue" %)**d) DR3:(%%)** total payload includes 22 entries of data.
500 500  )))
501 501  
502 502  (((
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664 664  
665 665  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
666 666  
669 +
667 667  == 3.2 General Commands ==
668 668  
669 669  
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726 726  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
727 727  )))
728 728  
732 +
733 +
734 +
729 729  === 3.3.2 Quit AT Command ===
730 730  
731 731  
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865 865  
866 866  * **Example**: 0XA501  ~/~/  Same as AT+CALCFLAG =1
867 867  
874 +
868 868  === 3.3.7 Set count number ===
869 869  
870 870  
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883 883  
884 884  * **Example**: 0xA6000064  ~/~/  Same as AT+ SETCNT =100
885 885  
893 +
894 +
895 +
896 +
897 +
886 886  === 3.3.8 Set Interrupt Mode ===
887 887  
888 888  
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917 917  
918 918  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
919 919  
932 +
933 +
934 +
920 920  === 3.3.9 Set work mode ===
921 921  
922 922  
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1021 1021  
1022 1022  * (((
1023 1023  calculate flag=2: for SW3L-010 Flow Sensor: 64  pulse = 1 L
1024 -
1025 -
1026 -
1027 1027  )))
1028 1028  
1041 +
1029 1029  = 8. ​Packing Info =
1030 1030  
1031 1031  
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1043 1043  
1044 1044  * Weight / pcs : g
1045 1045  
1059 +
1060 +
1046 1046  = 9. Support =
1047 1047  
1048 1048  
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