The Arduino is a great way for hobbyists and pros alike to experiment with programmable objects, but it can be confusing for ...

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 ...

Deep canyons in the Andes are the perfect location to catch the most energetic particles in the universe. Carlos ...

If you’re looking for a paint technique that adds depth and a touch of drama without demanding too much attention, color capping might be the answer. It’s a simple approach that requires only two ...

Both image photodetector arrays and retinas are pixelated sensors that dynamically extract various features from the visual scene—e.g., color, brightness, and contrast—before transmitting electrical ...

There have been many questions about what direction Arduino would take after being bought by Qualcomm. Now it would seem that we’re getting a clearer picture. Perhaps unsurprisingly the ...

Last year, we brought you a story about the BhangmeterV2, an internet-of-things nuclear war monitor. With a cold-war-era ...

The bright colors of the sponges have a meaning tied to their intended use. Here's a guide to sponge colors and when to use each type. David lives in Brooklyn where he's spent more than a decade ...

Former spendaholic Megan Smith Evans shares her top saving tips and we reveal how to cut the cost of your debt TYPING her credit card details into the computer, Megan Smith Evans ignored the voice in ...

Roku TV vs Fire Stick Galaxy Buds 3 Pro vs Apple AirPods Pro 3 M5 MacBook Pro vs M4 MacBook Air Linux Mint vs Zorin OS 4 quick steps to make your Android phone run like new again How much RAM does ...