Electronics is an expensive hobby. You often need to buy expensive hardware to complete a small hobby project. Fortunately, searching will give you a long list of cheap “retired” parts. If you’re sure ...

Making a weather display is great because it’s a simple project that shows off some skills and has an obvious daily use. So [ACROBOTIC Industries] decided to make an easy kit for the Hackaday Prize to ...

An Arduino is a microcontroller — a single board designed to control something and perform a specific task. Unlike a ...

An Arduino can be used to test the life of any battery with less than 5 volts, Boxall says. So, for a quick way to see how much juice your AAA, AA, C, or D batteries have left, build this ...

The build relies on addressable WS2812B LEDs as the core of the design. While they’re not necessarily the fanciest LEDs for balanced light output, they are RGB LEDs, so they can put out a ton of ...