MATRIXSYNTH: Prototype shift register sequencer


Tuesday, January 31, 2012

Prototype shift register sequencer


"Breadboard prototype of a 16-step random sequencer, something between the Wiard Noise Ring web.archive.org/web/20090410072322/http://www.wiard.com/1200/NR/Noise_Ring.html the CGS Gated Comparator cgs.synth.net/modules/cgs13_gated_comparator.html and Nav's BITSY navsmodularlab.blogspot.com/2011/10/bitsy-stepped-cv-generator-recorder.html

Looping starts about 30 seconds in - until then it is just taking random data and turning it into voltages.

It takes random noise (haven't tuned that part very well yet, as you can see), to fill up 4 x 4 step 4015 shift registers, shifted by a clock input. The shift registers are looped - either after 8 or 16 steps.
8 of the steps are fed into a DAC0800 analog/digital converter, which produces a 0-8 volt output.
Plenty left to do..."

Shift Register sequencer v2

"The two buttons at the bottom add 0s and 1s to the binary sequence while it plays."

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