Plumbing Cap Stylophone Demo
via cecreohm:
Just finished this. It’s a stylophone based on a 555 oscillator circuit packing very nicely into a 4″ plumbing cap. Powered by a 9 volt battery and complete with a snazzy indicator LED, this unit is ready to rock. Also note the collapsable stylus wire.
Tags: 555, circuit design, Circuits, electronics, homemade instrument, nick maggio, oscillator, plumbing cap, Stylophone, svhs


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