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 […]
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Gel Cell Battery Charger Circuit [Constant Current, Constant Voltage]
In this post we will learn what are gel cell batteries and also learn how to build a specialized charger for charging a gel cell battery, with full calculations. The […]
Simple E-Bike Circuit [Electric Bike]
This E-bike or electric bike circuit explained below can be used as the control circuit for constructing a homemade E-bike, with the help of a permanent magnet motor DC (PMDC […]
Simple Temperature Indicator Circuits using Thermistors
A thermometer may be required for the precise measurement of temperatures. However, in many cases, an absolute value isn’t required and a relative estimate is sufficient. For example, the consumer […]
Simple Voltage Multiplier Circuits Explored
In this post we will discuss how an input AC source could be increased to any desired levels using simple voltage multiplier circuits, built with capacitors and diodes. Thus the […]
Types of Power Amplifier Classes Explained in Simple Words
In this post we are going to explore power amplifiers and their classification according to their output electrical characters and application. We will be exploring amplifier classes: A, B, AB, […]