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, ...

How indirect prompt injection attacks on AI work - and 6 ways to shut them down ...

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

Have two NFC tags, two Samsung phones, and a spare hour or two? Here's how you can use two phones with Android Auto and ...

If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The ...

Leveraging a prior fixture design with different lab equipment once again enables highly reliable results. High resolution ...

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

April 24, 2026 Just getting starting? Get 50 Ichor with a new Dandy's World code. Well, it's only new if you haven't used it in the last four months. What are the new Dandy's World codes? Horror games ...

Tim Urban Red Button or Blue Button Question or Red vs. Blue Button Moral Dilemma Poll refers to a thought experiment and ...