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, ...

A new set of ESP32-based projects showcases the microcontroller’s adaptability, featuring builds from retro gaming devices and virtual pets to interactive LED art and AI-enhanced gadgets. The ...

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

SendspinZero is an open-source, DIY Sendspin audio receiver for your amplifier that relies on off-the-shelf parts costing ...

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

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Megan Wollerton Following a new round of testing, we have added a number of ...

Advances in LED technology are more than brighter bulbs — they’re opening new windows into human biology. By combining ...