Use the volume knob on your USB keyboard with Quartz Composer compositions via the HID Input patch included with QC.
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Teach your baby to be a hip hop producer early. This is a MIDI drum kit that I made using a microcontroller and another $2 find at Savers.
Continue reading ““Dumb Kit” MIDI Controller”
I made this keyboard from a $1 toy that I bought at Savers. I made some changes to the electronics including pitch control, a 555 timer circuit that adds extra resistance in secret places, a speed control for the timer, 1/4″ output jack, and a touch-contact for good measure. I fabricated the case from cold-rolled steel and acrylic.
Continue reading ““Idle Hands” 555 Keyboard”