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Nuts & Volts Magazine (August 2006)

Multiplexed LED Displays And Relays

By Chuck Hellebuyck    View In Digital Edition  

For this article, I wanted to demonstrate how to control two LED displays from one set of I/O pins in a method called multiplexing. To make this into a project for the reader, I revisited a model rocket launch control box design I did back in high school (long time ago) for an electronics competition...


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