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Newly Updated Circuit Projects:

PWM Inverter Using IC TL494 Circuit

Last Updated on May 20, 2026 by Swagatam 238 Comments

PWM2BInverter2Bcircuit

A very simple yet highly sophisticated modified sine wave inverter circuit is presented in the following post. The use of the PWM IC TL494 not only makes the design extremely economical with its parts count but also highly efficient and accurate. Audio/Video Representation Using TL494 for the Design The IC TL494 is a specialized PWM […]

Filed Under: Inverter Circuits Tagged With: Inverter, PWM, TL494

How to Understand IC 4017 Pinouts

Last Updated on May 20, 2026 by Swagatam 246 Comments

The IC 4017 can be considered as one of the most useful and versatile chip having numerous electronic circuit applications. About IC 4017 Technically it is called the Johnsons 10 stage decade counter divider. The name suggest two things, it’s something to do with number 10 and counting/dividing. The number 10 is connected with the […]

Filed Under: Electronics Theory Tagged With: 4017, Pinouts, Understand

Making a Time Machine – Concept Explored

Last Updated on May 20, 2026 by Swagatam 3 Comments

Wondering how to travel in time? Learn it with great Sir Stephen Hawking, according to whom time warp may be an option but seems pretty impractical, the reason being the feed back loop which will just oppose the feasibility of making a time machine and the concept using this theory. Are you intrigued by the […]

Filed Under: Electronics Theory Tagged With: Concept, Explored, Machine, Making, Time

How To Calculate and Connect LEDs in Series and Parallel

Last Updated on May 20, 2026 by Swagatam 63 Comments

LED series

In this article I have explained how to calculate LEDs in series and parallel using a simple formula and configure your own personalized LED displays, now you don’t just have to wonder how to wire led lights? but actually can do it, know the details here. These lights are known not only for their dazzling […]

Filed Under: Electronics Theory Tagged With: Calculate, Connect, LEDs, Parallel, Series

How to Connect Two or More Transistors in Parallel

Last Updated on May 20, 2026 by Swagatam 63 Comments

parallel

Connecting transistors in parallel is a process in which the identical pinouts of two or more transistors are connected together in a circuit in order to multiply the power handling capacity of the combined parallel transistor set. In this post I have explained how to safely connect multiple transistors in parallel, these can be BJTs […]

Filed Under: Electronics Theory Tagged With: Connect, More, Parallel, Transistors

How to Use Transistors

Last Updated on May 20, 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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