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 […]
Pets and Pests
Insect Light Trap Circuit for Protecting Crops
This solar LED light trap circuit for insects can be used to attract insects at night and keep them engaged with the light source. This distraction created by the LED light will keep the insects from flying towards the crops and save the crops from these harmful pests. The circuit design was requested by Mr. […]
Rat Repellent Circuit Diagram
Rats are a dreaded pest that may ruin houses, gardens, and other places. They harm furniture, electrical lines, and other objects in addition to being carriers of a number of illnesses. It makes sense that people would constantly seek for strategies to keep rats out of their gardens and houses. Using a circuit that repels […]
Simple Electronic Dog Whistle Circuit Explained
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 hear ultrasonic frequencies, humans cannot, this dog whistle device is employed to train these animals. It is also sometimes known as a silent whistle or […]
Ultrasonic Pest Repellent Circuit
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 stray dogs, cats, mice bats, etc. This becomes possible since these animals are able to easily detect the frequencies at this […]
How to Repair Mosquito Swatter Bats
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 […]