If you’ve done 3D printing, you’ve probably at least heard of Tinkercad. This popular CAD package runs in your browser and was rescued from oblivion by Autodesk a few years ago. [Chuck] recently did a ...

A Charliplexed LED heart circuit is being controlled by an Arduino system and can be useful in times of Valentine’s Day. A Charliplexed LED heart circuit is being controlled by an Arduino system and ...

Your favorite gadgets are composed of all sorts of circuits, boards, and switches. Figuring out how they all work already seems like a Herculean effort, much more so if you try to put together ...

The first name on the list is Autodesk Eagle, an engineer-friendly tool that boasts a vast library of resources. It offers a full suite of PCB layouts, schematic editing tools, and collaborative ...

Looking for a simple circuit to control the light intensity of Light Emitting Diodes (LEDs) or similar lighting sources? Here is an Arduino based circuit with three independent pulse width modulated ...

Homemade gadgets seem to be all the rage these days, and while programming used to be reserved for nerds, it's also becoming a more mainstream hobby. And honestly, a cheaper hobby to get into. With ...

Before I start talking about this really cool thing called Arduino (Italian for "good friend"), let me say a few things about the fascinating subject of physical computing. Physical computing has been ...