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Pets and Pests

Build this Mosquito Bat without Battery

Last Updated on January 2, 2024 by Swagatam 57 Comments

bat

This simple homemade mosquito swatter bat neither requires a circuit nor a battery for the operation. The entire design works using a single high voltage capacitor and through quick charging from mains AC socket. (Designed by me) Introduction In a few of my earlier posts I have discussed how to make mosquito zappers using the […]

Filed Under: Pets and Pests

Natural Mosquito Repellent Using High Watt Resistor

Last Updated on January 2, 2024 by Swagatam 4 Comments

As the name suggests, to build this simple natural mosquito repellent circuit you will just require a high watt resistor, a few drops of lemon eucalyptus oil and  mains supply input. Chemical Based Mosquito Repellent are Harmful for Health You might be already familiar with these popular ready made mosquito repellent units which come in […]

Filed Under: Pets and Pests

Solar Insect Killer Circuit for Protecting Crops in Farms

Last Updated on January 2, 2024 by Swagatam 4 Comments

ldrcircuit

The insect killer circuit presented here is designed to attract insects during night, and electrocute them through a high voltage mesh trap. The unit can be installed in farms for protecting crops from potentially harmful insects. The unit being solar powered does not depend on human intervention and works independently. In one of our previous […]

Filed Under: Pets and Pests

Solar Insect Repellent Circuit for Protecting Crops in fields

Last Updated on January 2, 2024 by Swagatam 19 Comments

insect2Brepeller2Bcircuit

In this post I have explained a simple to build ultrasonic insect repellent circuit which can be installed in farms and used by the farmers for driving away all sorts of insects, bugs, grasshoppers etc in order to protect the crops from these potentially harmful pests. The idea was requested by Mr. Cia Brisat. Technical […]

Filed Under: Pets and Pests

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

How to Make Dog Barking Preventer Circuit using High Frequency Deterrence

Last Updated on March 16, 2025 by Swagatam 340 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

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