7400 Contest Entry - Discrete Logic Drum Machine

Uploaded on Oct 20, 2011 Matt Sarnoff·31 videos

"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-M...

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

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

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LPC1114 Synthesizer

Published on Nov 24, 2013 Matt Sarnoff·31 videos

"A synthesizer with 4 oscillators, a 2-pole multi-mode filter, and MIDI input. Built using an LPC1114 32-bit ARM microcontroller and an MCP4921 12-bit DAC.

Source code and schematics: http://github.com/74hc595/LPC1114-Syn...
Twitter: http://twitter.com/autorelease"

LPC1114 Synthesizer Part 2 - Demonstration