Fans of the awesome and iconic Portal and Portal 2 games created by Valve, who enjoy building Arduino powered devices, might fancy building their very own tracking and talking model Portal turret.

[Andrew] and his brother had some time (and a lot of ping pong balls) on their hands, so they decided to have some fun and built a remote-controlled ping pong ball turret. Arduino aside, the turret is ...

A student in the University of South Florida Makecourse has created their own version of the Turret from Portal, based on an Arduino and complete with lasers activated by motion. The core of the ...

[Andrew] and his brother had some time (and a lot of ping pong balls) on their hands, so they decided to have some fun and built a remote-controlled ping pong ball turret. Arduino aside, the turret is ...