The robot uses a whopping 32 IR sensors to follow a black line across a concrete workshop floor, adjusting its path using a steering motor salvaged from a power wheelchair. An Arduino Mega Pro ...

Though it actually comes with a football spin... Thanks to the Arduino team for highlighting this one, a football-themed version of air hockey, which sees an IR line tracking sensor keeping score of ...

hacked it in with an Arduino. The video does a wonderful job going into the details, but essentially by using an oxygen sensor with finer resolution (wide-band) and then outputting the appropriate ...