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Pets and Pests

Making a Parasite Zapper Circuit

Last Updated on January 12, 2026 by Swagatam 6 Comments

frenquencygeneratorparasitezapperschematic

An interesting electronic parasite zapper circuit shown below was successfully built and tested by my friend Mr. Steven. I have explained more about the proposed circuit. What is a Parasite Zapper The purpose of this device is simple, it is meant to act like a parasite zapper, a DIY electronic device that people say can […]

Filed Under: Pets and Pests Tagged With: Making, Parasite, Zapper

How to Make Dog Barking Preventer Circuit using High Frequency Deterrence

Last Updated on June 30, 2025 by Swagatam 383 Comments

dogbarkcircuit

The discussed circuits are 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 dog. The circuits explained below when correctly optimized will produce a high pitched ultra sonic sound each time it senses a dog […]

Filed Under: Pets and Pests Tagged With: Barking, Deterrence, Frequency, High, Preventer

2 Mosquito Swatter Bat Circuits Explained

Last Updated on January 19, 2025 by Swagatam 150 Comments

mosquito swatter bat trafo details

Mosquitoes are a big menace to humankind and these are present in every corner of the world. A cool way of avenging yourself could by eliminating these “devils” through electrocution. A mosquito swatter bat is designed just for this. I have explained how to build its electronic circuitry. The idea was requested by Mr. kathiravan d. […]

Filed Under: Pets and Pests Tagged With: Circuits, Explained, Mosquito, Swatter

Mosquito Killer Circuit with Window Trap

Last Updated on July 28, 2024 by Swagatam 84 Comments

mosquitokillercircuit

In this post I have explained a simple mosquito electrocution net, or mesh circuit which can be easily built and installed on a home window for blocking and killing an in-surge of mosquitoes. The idea was requested by Mr. Ram. Technical Specifications Please help with any working circuit diagram for Mosquito, Insect Killer using Walton […]

Filed Under: Pets and Pests Tagged With: Killer, Mosquito, Trap, Window

Day/Night Triggered Automatic Door Lock Circuit

Last Updated on January 31, 2024 by Swagatam 12 Comments

darkness activated door lock circuit

In this post I have explained a simple day, night triggered automatic door lock circuit, which can be used for autonomously unlocking a kennel door during day break, and locking it when night sets in. The idea was requested by an avid reader of this blog, Mr. Norman, as given below. Design Request and Specifications […]

Filed Under: Automation Projects, Pets and Pests Tagged With: Automatic, Door, Lock, Night, Triggered

How to Repair Mosquito Swatter Bats

Last Updated on January 23, 2024 by Swagatam 87 Comments

repair mosquito bat

Repairing a mosquito bat is a process in which a malfunctioning mosquito bat is checked for faults using meters and restored to its earlier working condition. This post provides some general tips regarding how to repair a mosquito swatter bat or racket, through quick steps. Mosquito rackets today have become an indispensable tool in every […]

Filed Under: Pets and Pests Tagged With: Bats, Mosquito, Repair, Swatter

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