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Design

Automotive LED Driver Circuits – Design Analysis

Last Updated on May 16, 2026 by Swagatam 38 Comments

telltale lights automotive

In cars or automobiles, LEDs have grown to be the preferred choice of lighting. Whether it’s the rear tail-lights or the tell-tale indicators in the cluster as indicated in Figure 1 below, all incorporate LEDs nowadays. Their compact dimensions helps versatility in design and offers the prospective to be as durable as the vehicle’s life […]

Filed Under: Automobile Electronics Tagged With: Analysis, Automotive, Circuits, Design, Driver, LED

How to Design a Flyback Converter – Comprehensive Tutorial

Last Updated on July 5, 2025 by Swagatam 54 Comments

1

A flyback configuration is the preferred topology in SMPS application designs mainly because it guarantees complete isolation of the output DC from the input mains AC. Other features include low manufacturing cost, simpler design and uncomplicated implementation. The low current DCM version of flyback converters which include output specification lower than 50 watt are more […]

Filed Under: SMPS and Converters Tagged With: Comprehensive, Converter, Design, Flyback, Tutorial

Mp3 Player Using DF Player – Full Design Details

Last Updated on May 25, 2026 by Swagatam 30 Comments

3 2

In this post I will show how to construct an Mp3 player using arduino and DFPlayer. The proposed article has two Mp3 player designs, one with push button control and another one with IR remote control. We will also take a look at DFPlayer (Mp3 player module) and its specifications. We all love music, we […]

Filed Under: Arduino Projects, Audio and Amplifier Projects Tagged With: Design, Details, DF, Full, Mp3, Player

8X Overunity from Joule Thief – Proven Design

Last Updated on May 20, 2026 by Swagatam 70 Comments

In this post I have explained about a unique 8x overunity circuit quite resembling a joule thief design which was created by one of the noted researcher Professor Steven E. Jones while experimenting with a simple overunity concept. 8x more Output from a Simple Joule Thief Circuit While developing this overunity circuit he was amazed […]

Filed Under: Energy from Magnets and Earth Tagged With: Design, Joule, Overunity, Proven, Thief

How to Design an Induction Heater Circuit

Last Updated on November 10, 2022 by Swagatam 135 Comments

coilforem

In this article I have explained a step by step tutorial regarding designing your own homemade basic induction heater circuit, which can be also used as an induction cooktop. Basic Induction Heater Concept You might have come across many DIY induction heater circuits online but nobody seem to have addressed the crucial secret behind implementing […]

Filed Under: Temperature Controllers Tagged With: Design, Heater, Induction

How to Design a Solar Inverter Circuit

Last Updated on February 16, 2023 by Swagatam 128 Comments

When a DC to AC inverter is operated through a solar panel, it is called a solar inverter. The solar panel power is either directly used for operating the inverter or it’s used for charging the inverter battery. In both the case the inverter works without depending on mains utility grid power. Designing a solar […]

Filed Under: Inverter Circuits, Solar Controller Circuits Tagged With: Design, Inverter, Solar

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