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Shining a Light on Solid-state Green LEDs: Could C-GaN Be the Answer?

High-efficiency, solid-state green LEDs remain an elusive goal for semiconductor manufacturers. Research funded by ARPA-E targets these LEDs using standard complementary metal-oxide-semiconductor (CMOS) processing tools.

March 07, 2022 by Dale Wilson

All About Seeing Your Projects: Optical and Digital Magnification

Smaller electronics call for more powerful inspection equipment. If you're building a collection of at-home lab equipment, these visual tools may help you see where you're going on minuscule boards.

February 14, 2021 by Mark Hughes

New Proximity Sensor from Vishay Targets Consumer and Industrial Applications

This article takes a deeper look at the technical concepts at play in a specific proximity sensor, the VCNL36821S from Vishay.

February 02, 2020 by Robert Keim

New Current-Mode Controller from STMicro Brings High Power Factor to LED Lighting

STMicroelectronics claims this new power controller improves efficiency and performance in LED applications.

February 22, 2019 by Robert Keim

Adjustable Linear Constant-Current Control: An LED Controller from Diodes Incorporated

Diodes Incorporated announces two new adjustable constant-current LED controllers that accept input voltages ranging from 4.5V to 60V.

January 22, 2018 by Nick Davis

Teardown Tuesday: Sound-Activated LED Party Lighting

See what's inside a sound-activated LED for use in DJ environments.

March 07, 2017 by Robin Mitchell

Teardown Tuesday: Lutron Caseta Wireless Home Automation Remote

Lutron Caseta Wireless offers home automation that includes lights and shades.

October 25, 2016 by Mark Hughes

Measuring and Calculating Lux Values

Learn how to translate the output of a photosensor into an illuminance measurement.

January 13, 2016 by Robert Keim

Make Lighting Easy with Smart LEDs

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

Ambient Light Monitor: Using a Triac to Adjust Lamp Brightness

Part 5 in the “How to Make an Ambient Light Monitor” series.

September 01, 2015 by Robert Keim

Ambient Light Monitor: Zero-Cross Detection

Part 4 in the “How to Make an Ambient Light Monitor” series

August 16, 2015 by Robert Keim

Harnessing Ambient Light: Qualcomm’s Newest Display Technology

Qualcomm MEMS's new technology harnesses the power of ambient light.

June 27, 2015 by Tim Youngblood