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Developing Robust Motion Detectors Does Not Have to Be a Moving Target

This article discusses some concepts for ensuring motion detector designs will be robust to external disturbances by presenting an infrared detector assembly that can significantly reduce the parts count and improve product performance and reliability. 

3 days ago by Ryan Sheahen, Littelfuse

Design Solution for Automotive LCD Displays Utilizing LED Driver ICs

See how multi-channel automotive LED driver ICs implement backlight local dimming, bringing ‘true black’ to automotive LCD displays.

February 04, 2020 by Szukang Hsien, Maxim Integrated

Introduction to Adaptive Front Lighting Systems (AFS)

Learn more about the design considerations that go into developing adaptive automotive lighting solutions.

November 06, 2019 by Steve Arar

Time-of-Flight Sensors for In-Cabin Vehicle Safety

This article looks at how time-of-flight sensing in a vehicle's cabin can improve safety and convenience.

August 21, 2019 by Gualtiero Bagnuoli, Melexis

Need a Current Regulator? Use a Voltage Regulator!

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

Simplify Your Lighting Design: A New Constant-Current Regulator from Diodes Incorporated

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

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

LED Arrays: One Resistor or Many?

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

Build Your Own LED Saber—Audio and Power Systems

In part 2 of the LED saber project, we'll assemble the power and audio systems.

October 19, 2016 by Jeremy Lee

The Basics Behind Constant-Current LED Drive Circuitry

This technical brief discusses the reasoning behind and implementation of constant-current drive circuitry for illuminating LEDs.

August 23, 2016 by Robert Keim

Driving LED Arrays with an Arduino

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

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

Make an Analog Sound Reactive LED Strip

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