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Electronics Theory

How to Configure Resistors, Capacitors and Transistors in Electronic Circuits

Last Updated on May 20, 2026 by Swagatam 32 Comments

In this post we try to evaluate how to configure or connect electronic components such as resistors, capacitors withing electronic circuits through correct calculation Kindly read my previous post regarding what is voltage and current, in order to grasp the below explained basic electronic facts more effectively. What is a Resistor – It is an […]

Filed Under: Electronics Theory Tagged With: Capacitors, Circuits, Configure, Electronic, Resistors, Transistors

Difference Between Current and Voltage – What is Voltage, What is Current

Last Updated on May 20, 2026 by Swagatam 2 Comments

The following data explains the important aspects connected with the electrical parameters like voltage and current, the content also explains in simple words how to differentiate the two parameters. What is Current It is the number of electrons flowing at any instant through a conductor or across the positive and the negative of a conductor […]

Filed Under: Electronics Theory Tagged With: Between, Current, Difference, Voltage

How to Understand and Use white LEDs – Datasheet

Last Updated on June 30, 2026 by Swagatam 10 Comments

whiteled

If you are wondering how to correctly use white LEDs in circuits so that they can be illuminated safely without damaging, then this post might help you to evaluate the same. Introduction White LEDs are the future lighting solutions for our cities and homes. They will be easily replacing the traditional CFL and other flurescent […]

Filed Under: Datasheets and Components, Electronics Theory Tagged With: Datasheet, LEDs, Understand, white

Transistor Relay Driver Circuit with Formula and Calculations

Last Updated on May 20, 2026 by Swagatam 131 Comments

Relaydriver

In this article we will comprehensively study a transistor relay driver circuit and learn how to design its configuration by calculating the parameters through formulas. Importance of Relay Relays are one of the most important components in electronic circuits. Especially in circuits where high power transfer or mains AC load switching is involved, relays play […]

Filed Under: Electronics Theory Tagged With: Calculations, Driver, Formula, Relay, Transistor

3 Basic Capacitor Functioning and Working Explored

Last Updated on June 7, 2026 by Swagatam 21 Comments

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In this article I have explained 3 popular functions of capacitors and how to use capacitors in electronic circuit by analyzing their appropriate working modes depending on the application need of a given circuit stage Introduction Seen those colorful, cylindrical and chocolate shaped parts on a PCB? These may be actually the capacitors of different […]

Filed Under: Electronics Theory Tagged With: Basic, Capacitor, Explored, Functioning, Working

How to Use Transistors

Last Updated on June 7, 2026 by Swagatam 50 Comments

TO 92 1

If you have understood correctly, how to use transistors in circuits, you might have already conquered half of  electronics and its principles. In this post we make an effort in this direction. Introduction Transistors are 3 terminal semiconductor devices which is able to conduct relatively high power across their two terminals, in response to a […]

Filed Under: Electronics Theory Tagged With: Transistors

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