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 ...

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; ...

There’s a well-known movie trope in which a hacker takes control of the traffic lights in a city, causing general mayhem or ...

I've used my Flipper Zero to replace lost remotes, open security doors, and more. Here's how to get started with your new favorite hacking tool.

ETFs allow investment in diverse stocks or bonds through a single transaction. Investors can buy ETF shares on exchanges, where prices fluctuate throughout the day. ETFs offer benefits like lower ...

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 ...

We may earn commission from links on this page, but we only recommend products we love. Promise. Listen, I’ll be the first person to tell you that homemade face masks can be a little questionable.

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 ...

Want more tried and tested recommendations from the RW editors? Sign up to our monthly newsletter Kit Bag. Click here to subscribe. You can take your first steps in your everyday trainers but ...

Want to try your hand at flying a quadcopter, but aren’t ready for a pro model? These are the best affordable and easy-to-fly drones we've tested. Our team tests, rates, and reviews more than 1,500 ...

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 ...

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 ...