Published on Jul 31, 2014 Adafruit Industries
"In this project we're building a diy midi controller that works with ios devices and analog synths.
Say hello to OONTZ, the open source button grid controller based on the adafruit trellis.
The mini OONTZ is a 3d printed case housing one trellis and 4 potentiometers ideal for a 16 button drum pad.
OONTZ works with any MIDI software and hardware. No more virtual midi or serial to MIDI stuff, oontz is legit USB MIDI.
Full Tutorial
https://learn.adafruit.com/mini-oontz...
Download STLs
http://www.thingiverse.com/thing:409733"
Say hello to OONTZ, the open source button grid controller based on the Adafruit Trellis button platform.
The mini OONTZ is a 3d printed case housing one trellis and 4 potentiometers ideal for a 16 button drum pad. In this project we're building a diy midi controller that works with ios devices and analog synths.
OONTZ works with any MIDI software and hardware. No more virtual midi or serial to MIDI stuff, oontz is legit USB MIDI."
Adafruit TrellisThis PCB is specially made to match the Adafruit 4x4 elastomer keypad. Each Trellis PCB has 4x4 pads and 4x4 matching spots for 3mm LEDs. The circuitry on-board handles the background key-presses and LED lighting for the 4x4 tile. However, it does not have any microcontroller or other 'brains' - an Arduino (or similar microcontroller) is required to control the Trellis to read the keypress data and let it know when to light up LEDs as desired."
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