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 ...

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.

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; ...

More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

Are you thinking about investing for the first time? Our guide takes you through the 10 things you need to know about investing, including what and where to buy, and ...

Minecraft remains one of the best games of all time over a decade on from its release, but spending such a long time in one game could lead to you running out of ideas. We've been there: you've ...

LED face masks have quickly shifted from clinic-only treatments to at-home skincare staples. Designed to tackle everything from fine lines and dullness to breakouts and redness, the best LED face ...

Whether you should buy new irons to start your golfing journey, or start in the time-honoured tradition with a set of hand-me-downs, will always be a matter of debate among golfers. In one camp, ...