Check out this POV (persistance of vision) business card. This guy makes these from scratch in his basement, with his very own circuit board lab.
and video of it in action:
March 21, 2011
featured blogs
Jan 29, 2026
Most of the materials you read and see about gyroscopic precession explain WHAT happens, not WHY it happens....
featured chalk talk
Drone Applications & Technologies
Sponsored by Mouser Electronics and onsemi
In this episode of Chalk Talk, Bob Card from onsemi and Amelia Dalton explore the wide breadth of robotic and drone solutions offered by onsemi. They also investigate the role that current sense amplifiers, image sensors and inductive encoders play in these types of designs and how you can utilize onsemi solutions for your next innovative drone application.