In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

Vishnu Kannan had just begun learning math as an early elementary school student in Howard County when his older brother came ...

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.

Gaming PCs One Redditor has 3D-printed a big yellow air duct to attach to their GPU, and the results are middling: It 'does nothing but it looks cool' Gaming Keyboards As an ergonomic keyboard skeptic ...

The Big 12 Conference is set to break new ground in college athletics this March, unveiling a full LED video court for its 2026 Phillips 66 men’s and women’s basketball tournaments at the T-Mobile ...

KANSAS CITY, Mo. (KCTV) - For the second year in a row, the Big 12 Conference is generating some buzz with the surface it will play the Big 12 men’s and women’s basketball tournaments on. On Wednesday ...

The court is described as meeting the “standards of modern hardwood courts,” just with “integrated LED technology beneath the playing surface.” Photo courtesy Big 12 / ASB GlassFloor Big 12 ...

LED masks seem to be the “it” skin care device of the moment. In general, they’ve been shown to stimulate skin’s collagen and elastin production using specific wavelengths of light, which correlate to ...

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

If you’ve used Linux for a long time, you know that we are spoiled these days. Getting a new piece of hardware back in the day was often a horrible affair, requiring custom kernels and lots ...

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.