From your very first blinking LED to dazzling multi-color sequences, Arduino makes it easy to bring light to life. With just a board, a few LEDs, and some code, you can experiment with patterns, ...

LED candles are neat, but they’re very suboptimal for wish-making: you can’t blow them out. Unless you take the circuit from ...

Daniel Ansorregui has developed LightInk, an open-source solar-powered E-ink watch inspired by 90s solar digital watches. It ...

When building a project to operate on battery power for long periods of time, having a microcontroller with a reliable and ...

If you never answer your phone anymore, I don't blame you. Thanks to robocalls, scammers, and unknown callers, who would want to pick up? You don't have to put up with it, though. I have tips to stem ...

Blake has over a decade of experience writing for the web, with a focus on mobile phones, where he covered the smartphone boom of the 2010s and the broader tech scene. When he's not in front of a ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› by Kathryn Rath Water-leak sensors, which keep you in the loop if your plumbing ...