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Because I have not tested all electronic circuits mentioned on this pages, I cannot attest to their accuracy; therefore, I do not provide a warranty of any kind and cannot be held responsible in any manner.
AVR-MIDI - an USB MIDI-class compliant device
5. July 2008 - 20:04 — admin
This is an inexpensive DIY MIDI controller device for USB. It consists of a simple AVR ATMega16 with driver software from Objective Development (see).
This USB MIDI is build upon an AVR ATMega16, powered from USB through 2 diodes (3.5 volts). Up to eight potentiometers (AVCC/AGND) are connected to the analog inputs (PORTA) which are converted to a range from 0x00..0x7F to create midi controls (CC).