Use the volume knob on your USB keyboard with Quartz Composer compositions via the HID Input patch included with QC.
Continue reading “USB keyboard volume knob with Quartz Composer”
Tag: keyboard
“Dumb Kit” MIDI Controller
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.
“Idle Hands” 555 Keyboard
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.