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 scaring away animals like … [Read more...] about Ultrasonic Pest Repellent Circuit
Ultrasonic Fuel Level Indicator Circuit
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 sensor In … [Read more...] about Ultrasonic Fuel Level Indicator Circuit
Ultrasonic Wireless Water Level Indicator – Solar Powered
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 a wireless GSM mode. In this … [Read more...] about Ultrasonic Wireless Water Level Indicator – Solar Powered
Car Reverse Parking Sensor Circuit with Alarm
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 for your car if it … [Read more...] about Car Reverse Parking Sensor Circuit with Alarm
Ultrasonic Smart Automatic ON/OFF Switch Circuit
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 through the concept of … [Read more...] about Ultrasonic Smart Automatic ON/OFF Switch Circuit
How to Make Dog Barking Preventer Circuit using High Frequency Deterance
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 of a particular … [Read more...] about How to Make Dog Barking Preventer Circuit using High Frequency Deterance