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Introduction to Multiphase DC-DC Converters

This article explores step-down switching power supplies that divide output current among multiple regulation subcircuits operating in parallel.

February 07, 2023 by Robert Keim

Pulse-width Modulation (PWM) Timers in Microcontrollers

This article is the second of a series on microcontroller timers. This article describes a more complex timer called the PWM or pulse-width modulation timer.

February 07, 2020 by Stephen Colley

Choosing the Right Motor-Driver IC

This article provides some practical guidance on how to evaluate integrated circuits intended for controlling brushed DC motors.

December 07, 2018 by Robert Keim

How To Control a DC Motor with an Arduino

By connecting an L298 bridge IC to an Arduino, you can control a DC motor.

July 07, 2018 by Tim Youngblood

All About BLDC Motor Control: Sensorless Brushless DC Motor Controllers

Learn about sensorless brushless DC motor controllers, some example ICs, and some disadvantages of using such motors.

October 18, 2017 by Nick Davis

The Difference Between Slow Decay Mode and Fast Decay Mode in H-Bridge DC Motor Applications

Learn the difference between slow decay mode and fast decay mode, why these names are used, and how they influence motor deceleration.

August 10, 2017 by Nick Davis

Controlling a Stepper Motor with an SIRC Transmitter and Receiver

Detecting, decoding, and displaying IR (Infrared) signal data is interesting, but using those signals to control stuff is more interesting . . . and sometimes useful. Read on to learn how.

February 22, 2017 by Charles R. Hampton

Controlling a Stepper Motor with an SIRC TV Remote and a PICAXE: Infrared Capabilities

Remote controls for electronics often use IR (infrared) radiation in a very precisely coded sequence for channel surfing, volume adjustments, and more. One of the most popular codes is the SIRC (Sony Infrared Remote Code) which may be used with a PICAXE microcontroller to manage a stepper motor, or most any other electronic or electro-mechanical device.

February 09, 2017 by Charles R. Hampton

Building an Infrared Tracker with a PICAXE 14M2 and a Stepper Motor

Tracking an infrared light source is not as difficult as you might think; a 14-pin PICAXE, a stepper motor with a driver IC, three phototransistors, and a few other components will do the trick.

January 17, 2017 by Charles R. Hampton

Controlling a Servo with a PICAXE and an IR Sensor

A PICAXE 08M2 can be used to read the amount of IR (infrared) light falling on a phototransistor and respond by moving a servo to a predetermined position.

December 29, 2016 by Charles R. Hampton

C-BISCUIT: Schematic Design for the RCB—Power, Stepper

We’ll continue our discussion of the C-BISCUIT demo bot by looking at portions of the RCB schematic that weren’t covered in the previous article.

October 07, 2016 by Robert Keim

C-BISCUIT: Schematic Design for the RCB—Microcontroller, Motor Controller

In this article we’ll take a close look at two sections of the custom-designed control board for the C-BISCUIT demo bot.

September 21, 2016 by Robert Keim

C-BISCUIT: Robot System Architecture

The C-BISCUIT saga continues as we combine the various system components into a demo bot.

September 08, 2016 by Robert Keim

Use a DC Motor to Power LED Headlights on a Longboard

Build a generator-powered LED headlight for a longboard for very cheap.

April 20, 2016 by Jacob Smith

Build an Object Detection DC Motor Controller

In this continuing series of Building Raspberry Pi Controllers, you'll learn how to build a object detection control circuit for operating a small DC motor using a photocell.

December 27, 2015 by Don Wilcher

Upgrade Your Power Wheels with Motor Control Basics

Adding variable speed control and battery monitoring to a Power Wheels truck!

September 11, 2015 by Travis Fagerness

Servo Control with Arduino Through MATLAB

Use MATLAB to write a program to control a servo motor connected to an Arduino.

June 16, 2015 by Tim Youngblood

Use an Arduino to Control a Motor

Controlling a motor with an Arduino is relatively easy. In addition to simply spinning the motor, you can control the position of the motor shaft if the motor has a rotary encoder.

June 03, 2015 by Tim Youngblood

Mad with Power: An Introduction to Power Processing

The core concept of power processing can be explained together with several significant applications of power electronics. Power electronics is the technology of processing and controlling the flow of electric power by modifying and supplying the voltage and current in a form that is best suitable to the customer at the load end.

June 01, 2015 by Editorial Team