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:: Home » Ultrasonic Electronic Repellers

Ultrasonic Electronic Repellers

Mosquito repellent circuit project

Last Updated on: September 7, 2023 by Apichet Garaipoom
Mosquito repellent circuit project

The mosquito repellent circuit to generates small sound frequency using transistors as bistable multivibrator. It is economical, safer than using chemicals. Read more

Categories Oscillator circuits Tags Tone Generator, Astable multivibrator, Ultrasonic Electronic Repellers 22 Comments

Mouse and Rat repellent circuit using astable multivibrator

Last Updated on: July 15, 2022 by Apichet Garaipoom
Rat and cockroach repeller circuit diagram

The Mouse and Rat repellent circuit using astable multivibrator which use sound waves or ultrasonic so it escaped away. Use transistor and piezoelectric. Read more

Categories Oscillator circuits Tags Astable multivibrator, Ultrasonic Electronic Repellers 10 Comments

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