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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 70.4
edited by Xiaoling
on 2023/06/12 17:15
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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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49 49  * Downlink to change configure
50 50  * 8500mAh Battery for long term use
51 51  
52 -
53 53  == 1.3 Specification ==
54 54  
55 55  
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78 78  * Sleep Mode: 5uA @ 3.3v
79 79  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
80 80  
81 -
82 82  == 1.4 Applications ==
83 83  
84 84  
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87 87  * Toilet Flow Sensor
88 88  * Monitor Waste water
89 89  
90 -
91 91  == 1.5 Sleep mode and working mode ==
92 92  
93 93  
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115 115  )))
116 116  |(% 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.
117 117  
118 -
119 119  == 1.7 BLE connection ==
120 120  
121 121  
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148 148  )))
149 149  
150 150  
151 -
152 152  == 2.10 Mechanical ==
153 153  
154 154  
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192 192  
193 193  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.
194 194  
195 -[[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" %)
196 196  
197 197  
198 198  (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from SW3L-LB.
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487 487  )))
488 488  
489 489  (((
490 -(% 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
491 491  )))
492 492  
493 493  (((
494 -(% 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)
495 495  )))
496 496  
497 497  (((
498 -(% 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
499 499  )))
500 500  
501 501  (((
502 -(% 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.
503 503  )))
504 504  
505 505  (((
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731 731  )))
732 732  
733 733  
733 +
734 +
734 734  === 3.3.2 Quit AT Command ===
735 735  
736 736  
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890 890  * **Example**: 0xA6000064  ~/~/  Same as AT+ SETCNT =100
891 891  
892 892  
894 +
895 +
896 +
897 +
893 893  === 3.3.8 Set Interrupt Mode ===
894 894  
895 895  
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925 925  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
926 926  
927 927  
933 +
934 +
928 928  === 3.3.9 Set work mode ===
929 929  
930 930  
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944 944  
945 945  * **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
946 946  
947 -
948 948  = 4. Battery & Power Consumption =
949 949  
950 950  
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973 973  
974 974  * 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]]**.
975 975  
976 -
977 977  = 6. FAQ =
978 978  
979 979  == 6.1  AT Commands input doesn't work ==
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1031 1031  
1032 1032  * (((
1033 1033  calculate flag=2: for SW3L-010 Flow Sensor: 64  pulse = 1 L
1034 -
1035 -
1036 -
1037 1037  )))
1038 1038  
1041 +
1039 1039  = 8. ​Packing Info =
1040 1040  
1041 1041  
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1054 1054  * Weight / pcs : g
1055 1055  
1056 1056  
1060 +
1057 1057  = 9. Support =
1058 1058  
1059 1059  
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