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 ...

There’s hardly a day that passes without an Arduino project that spurs the usual salvo of comments. Half the commenters will complain that the project didn’t need an Arduino. The other half will ...

There are always a few high-tech toys on display at the Consumer Electronics Show in Las Vegas, and this year is no exception. Perhaps the most charming is Ozobot, a tiny robot that follow lines drawn ...