Take a look at ON Semiconductor's new LED constant-current dimmer, which is designed for middle- to high-power LED lighting applications.
November 21, 2017 by Nick Davis
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
Smart LEDs are becoming increasingly popular and very inexpensive. It's a great time to pick some up and experiment!
January 01, 2016 by Alex Udanis
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
The first automotive camera with infrared and visible capabilities enables advancements in driver safety and accident avoidance.
June 03, 2015 by Jennifer A. Diffley
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