TR-808 CLONE MIDI INTERFACE last update : 2005-06-19 15:14:01
_TR-808_CLONE
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The Midi Interface is based on the Midibox Hardware Platform of Thorsten Klose. A DOUT and a AOUT module are connected to a PIC18f452 µC CORE. The DOUT module generates a ~1ms pulse when a note is received. This pulse triggers the Instrument. The velocity will be converted to a voltage for the accent by the AOUT module. There are 8 individual accents so the Toms, the Rim/Clave and the Cowbell are sharing one.
The Midi Interface has got a little bug - sometimes the notes are skipped or delayed. Due to this problem the schematic and pcb will not be released until the problem is fixed .

 
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