Friday, February 06, 2009
8 step sequencer
YouTube via nathanielscott
"This is my second sequencer. It is an eight step sequencer built around a 4017 decade chip. It has a toggle switch that can switch between a full gated step or a pulsed trigger. Each step can be switched on or off and each step also has a voltage control that can be sent to a VCO. The step repeat can be varied between 2, 3, 4, 5, 6, 7, and 8 steps.
I shot this video before I had the knobs for the voltage control pots, which is why they are missing. Also, I am only demonstrating the trigger control on the Casio-SK1's sequencer. I sequenced a little tune and then let the sequencer trigger the sequence via the one note playback hack I did on the SK1.
The sequencer does not have its own clock. Instead it is gets its clock signal from an external source, in this case from my for step sequencer on the left.
I economically purchased the parts from the Reuseum in Boise. Here is their site: http://www.reuseum.com
The edges are a bit rough as I cut all the openings into the project box with a cheap switch blade."
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© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH
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