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 ...

Building Arduino projects with multiple sensors can unlock powerful environmental monitoring, automation, and IoT applications. From DHT11 temperature sensors to motion, gas, and light detectors, ...

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 ...