Propeller Clock Mechanically Scanned LED Clock  

Category:
Clock Circuits
Added on
Mar 6, 2013
A motor spins the `propeller`, and a small microprocessor keeps track of time and changes the pattern on seven LEDs with exact timing to simulate a 7 by 30 array of LEDs. It is an illusion, but it works nicely.
Propeller Clock Mechanically Scanned LED Clock - schematic




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