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You are here: Home / Archives for Ultrasonic Projects

Ultrasonic Motion Detector Circuit

Last Updated on June 12, 2022 by Swagatam 8 Comments

This ultrasonic motion detector circuit project picks up movement of any object including human beings from a distance of 4 to 7 meters away. As soon as the motion is […]

Filed Under: Sensors and Detectors, Ultrasonic Projects

Ultrasonic Detector Circuit [Extend your Ear’s Sensitivity]

Last Updated on May 3, 2021 by Swagatam 2 Comments

The ultrasonic detector or receiver circuit will be able to detect all those high frequency sounds that are beyond the hearing capacity of humans. The units will be able to […]



Filed Under: Ultrasonic Projects

Ultrasonic Fire Alarm Circuit using Air Turbulence Detection

Last Updated on October 3, 2020 by Swagatam 4 Comments

The simple ultrasonic fire alarm circuit explained below detects a fire hazard situation by picking up the variations in the surrounding air waves, or the air turbulence. The high sensitivity […]

Filed Under: Security and Alarm, Ultrasonic Projects

6 Best Ultrasonic Circuit Projects for Hobbyists and Engineers

Last Updated on October 26, 2021 by Matrix 18 Comments

The post discusses a 6 very useful yet simple ultrasonic transmitter and receiver circuit projects which can used for many crucial applications, such as ultrasonic remote control, burglar alarms, electronic […]

Filed Under: Ultrasonic Projects

Ultrasonic Pest Repellent Circuit

Last Updated on March 26, 2022 by Swagatam 39 Comments

The explained Ultrasonic Pest repeller is a device that generates ultrasound or a very high frequency noise in the range of over 20 kHz which becomes useful for repelling or […]

Filed Under: Home Electrical Circuits, Ultrasonic Projects

Ultrasonic Fuel Level Indicator Circuit

Last Updated on June 15, 2021 by Swagatam 17 Comments

An electronic device or circuit which detects and indicates the various fuel levels in a fuel tank without a physical contact, through ultrasonic waves, is called an ultrasonic fuel level […]

Filed Under: Arduino Engineering Projects, Car and Motorcycle, Ultrasonic Projects

Ultrasonic Wireless Water Level Indicator – Solar Powered

Last Updated on July 18, 2021 by Swagatam 50 Comments

An ultrasonic water level controller is a device which can detect water levels in a tank without a physical contact and send the data to a distant LED indicator in […]

Filed Under: Ultrasonic Projects, Water Level Controller

Car Reverse Parking Sensor Circuit with Alarm

Last Updated on November 7, 2019 by Swagatam

In this post we are going to construct a car reverse parking sensor alarm circuit using arduino, ultrasonic sensor and 2.4 GHz transceiver module. This project can be add-on feature […]

Filed Under: Arduino Engineering Projects, Car and Motorcycle, Ultrasonic Projects

Ultrasonic Smart Automatic ON/OFF Switch Circuit

Last Updated on November 7, 2019 by Swagatam 13 Comments

In this article we are going to build a smart automatic ON/OFF switch using Arduino, which can turn on or off gadgets automatically by sensing the presence of human nearby […]

Filed Under: Home Electrical Circuits, Ultrasonic Projects

How to Make Dog Barking Preventer Circuit using High Frequency Deterance

Last Updated on April 26, 2022 by Swagatam 184 Comments

The discussed circuit is designed to discourage dogs from barking in the selected zone by the generation of a synchronized ultrasonic sound waves in response to a few initial barking […]

Filed Under: 555 IC Circuits, Audio Projects, Sensors and Detectors, Ultrasonic Projects



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