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Build Like A Pyro!
Find many of the parts used on this site at our favorite online electronics shop
Take Me To The Gadgetory!
A Journey Through Microcontroller Audio

Posted July 4, 2015 by Chris

"There are 4 distinct modules, all connected by a 4-wire bus that provides power, ground, and two com lines. I separated the tasks into input-output pairs: audio i/o, user i/o (button and light), and radio i/o. The center module coordinates communication between the others and memory."

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