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Simple Electronic Dog Whistle Circuit Explained

Last Updated on August 17, 2022 by Swagatam 2 Comments

An electronic dog whistle is a device that generates ultrasonic sound waves and is used for training dogs and for controlling excessive barking habit. Because dogs and domestic cats can […]

Filed Under: Mini Projects, Ultrasonic Projects

Ultrasonic Burglar Alarm Circuit

Last Updated on January 29, 2023 by Swagatam 18 Comments

An ultrasonic burglar alarm circuit is an electronic device which transmits ultrasonic waves to detect the movement of an intruding person. The ultrasonic waves hit the intruder and the reflected […]



Filed Under: Sensors and Detectors, Ultrasonic Projects

Ultrasonic Motion Detector Circuit

Last Updated on June 12, 2022 by Swagatam 20 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 4 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 Swagatam 55 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

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