We’ve all been there. Your current project has hit a wall, or the next step will take days to complete, and you need something to do in the meantime. So you start a project that you envision will fit ...

Some readers may recall building a line-following robot during their school days. Involving some IR LEDs, perhaps a bit of LEGO, and plenty of trial-and-error, it was fun on a tiny scale. Now imagine ...

Raspberry Pi has received the lion’s share of attention devoted to cheap, single-board computers in the past year. But long before the Pi was a gleam in its creators’ eyes, there was the Arduino.