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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 70.4
edited by Xiaoling
on 2023/06/12 17:15
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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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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" %)
195 +[[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.
image-20230612171032-3.png
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1 +XWiki.Xiaoling
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