More about UltiProp Clock - Article Series (3)

1-01-2014 | The first installment didn’t tell you everything—far from it. Lots of readers intrigued by this project have been wondering about its princi...

1-12-2013 | Electronics is never so fine as when it skillfully combines magic with physics, mechanics with software, imagination with thoroughness and p...

29-10-2012 | Buy it here!A propeller clock, also known as a Persistance Of Vision (POV) display is based on a mechanically moving led row. This led row i...