This propeller clock project is a modified version which uses a PIC16F84A microcontroller to create the POV impression. The original propeller clock was rebuilt using higher intensity LEDs. A rubber ...

We all know that there’s not much to do with an old hard drive. Once you render the platters unreadable and perhaps harvest those powerful magnets, there’s not much left of interest. Unless, of course ...

The human body does plenty of cool tricks, but one of the easiest to take advantage of is persistence of vision (POV). Our eyes continue to see light for a fraction of a second after the light goes ...