Arduino boards power everything from robots to RGB lights, but they're a little on the small side. YouTuber UncleStem has his own solution: build a gigantic, yet fully functional one.… In a video ...

Here are instructions for making a LED strip that can be controlled via an Web API. The strip can show any color combination with red, green and blue LEDs: The LED API can receive a number of commands ...

Roger is a long-time tech journalist with many site credits including AppleInsider and Android Authority. His specialties include everything from Apple, Android, and Windows devices through to ...

Once upon a time, the cathode ray tube was pretty much the only type of display you’d find in a consumer television. As the ...

There are actually two light sources here: first you have the down-facing panel itself, and then you have a ring on top (flush against the ceiling). You can turn each of these on/off individually, but ...

If you’ve been to a wedding or a downtown coffee shop in the last 10 years, you’ve probably seen those little lightboxes that are so popular these days. They consist of letters placed ...

Sometimes there’s such a leap in performance between one year and the next, that it becomes hard to recommend buying a previous year’s model. That's exactly the case with the QM9K.

Abstract: In this paper, a backlight module driver driving high-power red, green, and blue light-emitting diodes (RGB LEDs) for a 19-in liquid crystal display is proposed. The DC-DC series resonant ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...

Display your favourite NFL team score on an raspberry pi powered LED matrix. Currently supports 64x32 boards only. Hey, neat-o! You can rotate through multiple games now if you want to! Will still ...