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Archives for June 2019

How to Calculate Ferrite Core Transformers

Last Updated on July 5, 2025 by Swagatam 273 Comments

center tapped transformer

Calculating ferrite transformer is a process in which engineers evaluate the various winding specifications, and core dimension of the transformer, using ferrite as the core material. This helps them to create a perfectly optimized transformer for a given application. The post presents a detailed explanation regarding how to calculate and design customized ferrite core transformers. […]

Filed Under: SMPS and Converters Tagged With: Calculate, Core, Ferrite, Transformers

Ultrasonic Fuel Level Indicator Circuit

Last Updated on December 5, 2024 by Swagatam 53 Comments

fuel installation

An electronic device or circuit which detects and indicates the various fuel levels in a fuel tank without a physical contact, through ultrasonic waves, is called an ultrasonic fuel level sensor In this post I have explained how to build a simple fuel tank level indicator circuit using Arduino and ultrasonic sensors. In every vehicle […]

Filed Under: Arduino Projects, Automobile Electronics Tagged With: Fuel, Indicator, Level, Ultrasonic

Types of Arduino Boards with Specifications

Last Updated on December 5, 2024 by Swagatam 22 Comments

Arduino Uno WiFi rev 2

In this post we present a list of around 20 popular Arduino boards that are used by engineering students and professionals for their specific application needs. The types of Arduino boards discussed here are designed with a range of unique features and specifications to suit a desired application in the most effective way. The range […]

Filed Under: Arduino Projects Tagged With: Arduino, Boards, Specifications, Types

How Transformers Work

Last Updated on January 2, 2024 by Swagatam 25 Comments

transformer working

According to the definition given in Wikipedia an electrical transformer is a stationary equipment that exchanges electrical power across a couple of closely wound coils, through magnetic induction. A constantly altering current in one winding of the transformer generates a varying magnetic flux, which, consequently, induces a varying electromotive force over a second coil built […]

Filed Under: Electronics Theory Tagged With: Transformers, Work

Digital-to-Analog (DAC), Analog-to-Digital (ADC) Converter Circuits Explained

Last Updated on June 10, 2022 by Swagatam 4 Comments

ladder formula

A digital-to-analog converter (DAC, D/A, D2A, or D-to-A) is a circuit designed to convert a digital input signal into an analog output signal. The analog-to-digital converter (ADC) works in the opposite way and transforms an analog input signal into a digital output. In this article I will comprehensively discuss how digital to analog, and analog to digital converter circuits work, using diagrams and formulas. In […]

Filed Under: Electronics Theory Tagged With: ADC, Analog, Circuits, Converter, DAC, Digital

Comparator Circuits using IC 741, IC 311, IC 339

Last Updated on January 31, 2020 by Swagatam 17 Comments

comparator 1

The basic function of a comparator circuit to compare two voltage levels at its input pins and produce an output to show which input voltage has higher potential than the other. In this article we will elaborately learn how to correctly design comparator circuits using popular ICs like IC 741, IC 311 and IC LM339 […]

Filed Under: Mini Projects Tagged With: 311, 339, 741, Circuits, Comparator

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