LDDS75 - LoRaWAN Distance Detection Sensor - 8500mAh

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The Dragino LDDS75 is a 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 ultrasonic sensing technology for distance measurement, and temperature compensation is performed internally to improve the reliability of data.

The LDDS75 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.

It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.

The LoRa wireless technology used in LDDS75 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.

LDDS75 is powered by 4000mA or 8500 mA Li-SOCI2 battery; It is designed for long term use up to 10 years*.

Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.

*Actually lifetime depends on network coverage and uplink interval and other factors.

Documents:

Features:

LoRaWAN 1.0.4 Class A
Ultro low power consumption
Distance Detection by Ultrasonic technology
Flat object range 280mm - 7500mm
Cable Length : 25cm
Temperature Compensation
Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
AT Commands to change parameters
Uplink on periodically
Downlink to change configure
IP66 Waterproof Enclosure
4000mAh or 8500mAh Battery for long term use

Applications:

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

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5
Dry / Non-Humid Apps / So far so good

Posted by PecanIoT on Nov 14th 2022

Using this to monitor salt in a watersoftener. Very fascinating use case to monitor. Good application as the sonar does not get humidity like it would in a water tank. You cannot use the ultrasonic down a pipe - at least that has been my experience.