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 ...

If you ever wondered what an eight-core Propeller processor can do for you, [Tom] found one answer. He’s using the multiple cores to individually address serial displays. He has six display modules, ...

Hannah Herbst won the Discovery Education 3M Young Scientist Challenge in October 2015, at the age of 15, with a propeller generator that turned the movement of water in the Boca Raton Intracoastal ...