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
Learn more about the design considerations that go into developing adaptive automotive lighting solutions.
November 06, 2019 by Dr. Steve Arar
This article, part of AAC’s Analog Circuit Collection, shows you how linear voltage regulators can also be handy in constant-current applications.
February 12, 2018 by Robert Keim
ICs such as the BCR401U provide high-quality control of LEDs for applications that require something better than the typical series-resistor arrangement.
May 25, 2017 by Robert Keim
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
When you have multiple LEDs with a common anode or common cathode, can you use just one current-limiting resistor? Let’s take a look.
November 15, 2016 by Robert Keim
In part 2 of the LED saber project, we'll assemble the power and audio systems.
October 19, 2016 by Jeremy Lee
This technical brief discusses the reasoning behind and implementation of constant-current drive circuitry for illuminating LEDs.
August 23, 2016 by Robert Keim
All you need to know about LED arrays. If you want to learn about them, drive one using an Arduino, or build them, this is the place to start.
July 11, 2016 by Cezar Chirila
Build a generator-powered LED headlight for a longboard for very cheap.
April 20, 2016 by Jacob Smith
This analog design allows your LEDs to respond to your music. Just plug your music source into this which sends a channel to your sound system and some LEDs.
October 28, 2015 by Fadi Kasem
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