Current sources are less familiar than voltage sources like batteries and AC wall power. Current sources usually are buried, unseen, inside electronic circuitry. Learn what they are and how they are designed.
January 02, 2023 by Harry Trietley
Dive further into switched capacitor circuits by learning about charge pump circuits, what they are, how they work, their pros and cons, and their applications.
May 01, 2022 by Jake Hertz
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
This article discusses features and functionality offered by integrated circuits that simplify the task of controlling a stepper motor.
December 12, 2018 by Robert Keim
This article provides some practical guidance on how to evaluate integrated circuits intended for controlling brushed DC motors.
December 07, 2018 by Robert Keim
Learn about sensorless brushless DC motor controllers, some example ICs, and some disadvantages of using such motors.
October 18, 2017 by Nick Davis
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
MIT-i takes on stepper motors 101!
May 15, 2017 by Ryan Jones
You can improve performance in motor-control applications by using brushless DC motors and handy driver ICs such as the BU69090NUX.
April 28, 2017 by Robert Keim
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
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
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
This project covers integrating servo control and object detection.
May 10, 2016 by Michael Stock
Learn how to communicate between your PC and the SAM4S using the Atmel Software Framework’s USB module and simple ASCII commands.
April 25, 2016 by Robert Keim
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
Adding variable speed control and battery monitoring to a Power Wheels truck!
September 11, 2015 by Travis Fagerness
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