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 ...

When Amazon introduced its home robot Astro earlier this year, it first showcased the robot following behind a person. It's a simple idea that has captured people’s imaginations with depictions in ...