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By: lyassa , created: 2013-03-29 | updated: 2013-04-26
Digitize audio signal and display the audio level on 24 LEDs. Uses mcp3208 ADC to read the audio input and ULN2803 to drive the LEDs.
Contents of zip file:
Display audio level in dot mode, bar mode and multiple Leds mode. It can be fun to try to come up with more patterns.