In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

If you happen to be in the market for a small artificial sun, you may be interested to know that for about $1300, you can get a tennis-ball-sized LED array that outputs 120,000 lumens.

Tyler has worked on, lived with and tested all types of smart home and security technology for over a dozen years, explaining the latest features, privacy tricks, and top recommendations. With degrees ...

LED lights are famous for their efficiency and long lives, but how does that turn into cash? We did the math and found out. Tyler Lacoma Editor / Home Security and Smart Home Tyler has worked on, ...

There’s a new type of LED in town. These light-emitting diodes (LEDs) are made from a material called perovskite, a calcium ...

If your car came from the factory with halogen or HID bulbs, you’re going to need to replace them or upgrade them down the line. Both of these bulb types lose light output over time; thus, even if ...

Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

Red light therapy has long been used to reduce inflammation and improve skin texture, which is why LED devices are having a moment—you can reap the benefits without booking a professional treatment.

Red light therapy uses specific wavelengths of light to enhance cell function and promote rejuvenation, with potential benefits for skin, inflammation, and pain. While generally considered safe, red ...

I was very hyped for High on Life 2. After all, its predecessor remains one of the funniest and most memorable FPS experiences I’ve had. The early promotional material already had me sold, and I ...

A representation of ultrawideband PVDF/co-polymer-based ultrasound (US) transducer technology for high-frequency hemispherical optoacoustic tomography and its potential use in hand vascular, dental, ...