Mindless Philosopher

this square wave oscillator cycles through four different steps kind of like a sequencer.   the four knobs in the back row control the pitch of each step.  the two knobs on the left in the front row control the speed and pattern that the oscillator goes through the steps.  it does not play the notes from left to right, the pattern changes with different settings of the speed potentiometers.   the knob on the right of the front row controls the volume of the oscillator.

output is through a 1/4 inch jack on the right side of the enclosure.

the switch on the side turns the oscillator on and off.

this box is powered by either a 9v dc adapter (center negative) or a 9v battery.  neither are included.

here is a sample video of poor quality:


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