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LED VU Meter

LED VU Meter

RGB LED Tri-band Audio Meter

Please note that this project is not yet complete.

I set out to build a tri-band (low-mid-high) audio meter out of RGB LEDs, that could also be attached to a computer to upload light patterns, so the audio meter could also be a decoration when not being used along with music. The audio data would come from an electret microphone, go first into an amplifier and then into the MCU's ADC, have a fft performed for a few different frequencies, those frequencies would each be assigned a color, and finally displayed on the RGB LEDs. The LEDs would be driven by the TLC5940 grayscale LED drivers.

Project Description Document (pdf)

Platform: TI
Designer: Donald Zeims
Awards: 3rd Place 2010 MCU Challenge
Code: Source Code (zip)

Design submittals are the intellectual property of the applicants and are not to be used for commercial purposes without written approval of the designer. To communicate with the designers or leave comments, see our MCU Challenge 2010 section in the SchmartBoard forum.


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