I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

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 ...

Sphero has announced another rolling ball robot called the Sphero Bolt. The Sphero Bolt follows in the company’s ethos of having a commitment to education-based products, but it comes with some ...