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almost ready to use. features:
+ play / edit mode (bt 1)
+ note load / save (bt 2 on edit mode)
+ note edit (potentiometer ranging from 21 to 108)
+ midi program change (bt 2 on play mode)
+ steps navigation left / right (bt 3/4)
there are some glitches caused by the breadboard, mainly push button debounces. i've started using two libraries: bounce and arduino midi lib for better event handling.
todo: finish case layout, add more tracks and start coding the pc midi editor in processing.
i've found very useful information about midi programming here and here.
the sequencer has been rebuilt from scratch and now it features a led
indicating playing/stopped modes and a push button to change current midi program (0-127).
i'm designing a case and a few panel layouts to make this easy to connect to other midi devices. more on this later...
a few pics of the third build are available on my flickr page.
added a software-generated arpeggio and editing capabilities. push button #1 enters edit mode. push button #2 changes current note frequency from B0 to D#8.
todo: add push button #3 to decrease current note frequency.
playing and editing some random sequences.
lcd + piezo tone generator working.
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