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here is a little jam to test the possibilities of my recently finished step sequencer…this little gadget is so much fun, and opens up my head of possibilities…i have to write a proper post with circuit and instructions on how to build it i will just say for now that is made with a single 4017 that can trigger 4 different channels on each of the 10 possible steps.

here comes the sound…

…on the video I’m playing the sequencer and the SP-404 sampler trying to match tempo…and the sp404 is also filtering the sequenced sounds at times…and the drum pattern at others….the step sequencer is triggering the sounds of a toy circuit which i modified adding also pitch and distortion controls….plus the jacks connect the 4 channels of the sequencer to the desired sound bank on the toy…

UPDATE:

this are some images of the process of building the 4017 step sequencer and a little circuit diagram…the construction was not difficult but  tedious….

9volts 2009

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