EDN

Building Propeller Clock from LED Display

This mechanically scanned propeller LED clock was made from 7 LEDs that gives the illusion of number in the air as it spins. During operation, a PIC16F84 microcontroller keeps track of time and ...
Hackaday

Persistence Of Vision Clock On A Propeller

If you have a spare DC motor, a PIC16F84A microcontroller, and a lot of patience, then [Jon] has a great guide for building a persistence of vision clock that is sure to brighten up any room. For ...
EDN

Propeller Clock with POV Effects

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 ...
Hackaday

Amazing RGB POV Clock

We’re no strangers to POV time pieces around here, but something about them never gets old. Whether they use a ring of LEDs to draw clock hands, or an intricately cut HDD platter to replicate LCD ...