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7400 Contest Entry - Discrete Logic Drum Machine

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Uploaded by on Oct 20, 2011

A 4-channel, 16-step percussion synthesizer/sequencer built with discrete logic: no microcontrollers, no software.

More info and schematics: http://github.com/74hc595/7400-Drum-Machine

Photos: http://www.flickr.com/photos/74hc595/sets/72157627942539702/

Follow me on Twitter: http://twitter.com/autorelease

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Science & Technology

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Standard YouTube License

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All Comments (30)

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  • Cool project! I'm defenitely going to have a look at those schematics!

  • man if i had the time and money i would build something like that. nice work.

  • this is greeeeat.Well done it's awesome!!!!!A handy mod would be to have a line out for each channel so you can mix them in a daw and a volume pot for each channel if you want mix on the fly without an external mixer.

  • My god! This is amazing even with just two channels! Imagine the complete product... :) Good luck.

  • this is awsome in so many ways! good luck sir

  • I would give all my free time for this!

  • I would like to see a product made cheaply and affordibly (means probably using digital components, that has all the functionality of this device, cause i'd buy it :)

  • Nintendo is sooooooo cheap, I always wondered how they made that jumping noise in Mario

  • Reminds me of Atari 2600 sound effects

  • so simple, so tactile, so awesome!

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