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 imagi… ...

Inside the BeatBot an Arduino reads 9 infrared sensors for line detection at 100 samples a second. A digital servo controls the Ackerman steering mechanism to follow the line on the track or floor.

While child-sized humanoid robots like the Unitree R1 have come down in price, not everybody has a spare $6,000 to throw ...

News This Arduino-Equipped Lego Robot Will Rip Your DVD Collection for You By Kevin Lee Nov 2, 2011 1:30 pm PDT [Photo: Paul Rea] ...