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 ...

Today we are going to create a strobe light for the tips of the wings of an rc airplane using a 555 timer (NE 555 or lm 555 IC) this circuit is very easy to make with few components and most ...

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 ...

They claim to fix fine lines, blemishes and redness – but which stand up to scrutiny? We asked dermatologists and put them to the test to find out The best anti-ageing creams, serums and treatments ...

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 ...

At first glance, it may look like [Rybitski]’s 7-segment RGB LED clock is something that’s been done before, but look past the beautiful mounting. It’s not just stylishly framed; ...

Lasers, LEDs and light sources are devices that create light. LEDs (light emitting diodes) convert an electrical current into light using spontaneous emission in optically active semiconductors.

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 ...

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 ...