Tag Archives: organ

VU Meter – First Audio Test

Posted on December 10, 2011 by Daniel O'Malley

The VU Meter works and has more or less been validated. I need to make a few more measurements but I’m fairly confident in the circuit at this point. Next step is to add a peak detector to the input … Continue reading →

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VU Meter Prototyped and Working

Posted on September 6, 2011 by Daniel O'Malley

Last night we built a fully functional prototype of the circuit and it worked without any hitches. We limited the number of LEDs for testing; only 30 LEDs were used for output display versus the planned 50. We still need … Continue reading →

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VU Meter Revision (v1.1)

Posted on August 31, 2011 by Daniel O'Malley

  I made a few minor tweaks to the board. The most notable change is reducing the number of capacitors and using two different types (ceramic and tantalum) with different capacitances. I also rerouted traces to make the printing and … Continue reading →

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VU Meter – The January update to the Color Organ

Posted on January 2, 2011 by Daniel O'Malley

I promised on the Color Organ page that I would have some January updates in store. This project is definitely going to happen this month. The work that I have in mind isn’t particularly cutting edge or new and the … Continue reading →

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