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How Brushless DC (BLDC) Motors Work

Last Updated on June 30, 2026 by Swagatam 7 Comments

BLDCmotorworkingexplained

The post comprehensively details the basic operating concept of brushless DC motors also called BLDC motor. Difference Between Brushed and Brushless DC Motors In our traditional brushed motors brushes are employed in order to switch the central moving rotor with respect to the surrounding stationery permanent magnet stator. Brushes become imperative because the rotor is […]

Filed Under: Motor Controller Tagged With: BLDC, Brushless, DC, Motors, Work

Inductors in AC/DC Circuits Explained

Last Updated on May 20, 2026 by Swagatam 12 Comments

inductor capacitor in parallel

In this post I have explained the response of inductors to DC and AC voltages as well as when applied with capacitors which is often used as a complementing part with an inductor. Properties of Inductor Inductors are known for their property of storing electrical energy in them in the form of magnetic energy. This […]

Filed Under: Electronics Theory Tagged With: AC, Circuits, DC, Explained, Inductors

1.5V to 12V DC Converter Circuit Diagram for LEDs

Last Updated on January 17, 2025 by Swagatam 31 Comments

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The post provides interesting information regarding the making of a 1.5V to 12V converter circuit using a couple of transistors and an inexpensive coil. The idea was requested by Mr. Keith. The Circuit Request I found your blog and have searched for an answer to my question but I’m just not finding it…. What I want to do […]

Filed Under: Power Supply Circuits Tagged With: 12V, Converter, DC, LEDs

3 Simple DC UPS Circuits for Modem/Router

Last Updated on January 2, 2024 by Swagatam 272 Comments

dc modem ups circuit

In the following article I have explained 3 useful DC to DC uninterruptible power supply circuits or DC UPS circuits for low DC to DC uninterruptible power applications The first idea below presents a DC UPS circuit can be used for providing back up power to modems or routers during mains failures, so that the  broadband/WiFi […]

Filed Under: Inverter Circuits Tagged With: Circuits, DC, Modem, Router, Simple, UPS

12V DC to 220V DC Boost Converter Circuit

Last Updated on March 17, 2026 by Swagatam 128 Comments

In this article I have explained a very simple method of acquiring 220V DC from a 12V DC source. The idea utilizes inductor/oscillator based boost topology with the help of the IC 555. Circuit Operation Now let us learn more about this simple 12V to 220V DC boost converter circuit, which is built around IC […]

Filed Under: Power Supply Circuits Tagged With: 12V, 220V, Boost, Converter, DC

Operating a DC Motor Clockwise/Anticlockwise with a Single Switch

Last Updated on June 30, 2026 by Swagatam 24 Comments

motorclockwiseanticlockwisecircuitwithoneswitch

The following post discusses the wiring connections for driving a DC motor in clockwise and anticlockwise directions with the help of a single toggle switch and a relay circuit. The idea was requested by one the interested followers of this blog. I have explained more: Technical Specifications We have our project in school. Our professor […]

Filed Under: Motor Controller Tagged With: Anticlockwise, Clockwise, DC, Motor, Operating, Single

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