=== MIDI Vampire-I === ==== About the MIDI Vampire-I ==== MIDI Vampire-I (Vamp1) is just about the smallest digital synth we could make (i'd hate to think how big the smallest analog would be!). It boils down a MIDI synth to its basics - MIDI in, processing, audio out. And, in doing so, it reduces the power consumption to the point that it can be phantomly (or vampirically) powered from the MIDI data line itself! Just plug in and play, no batteries or powersupplies. Vamp1 is a 4 voice, polyphonic wavetable synthesizer, with a mono, PWM output at 14b, 31.25ksps. It gives control over attack, decay, wavetable selection, and has FM, AM, reverb, and bitcrusher effects. It also has a variable pulse width, square wave synth, which is not wavetable based, and can generate filter sweep type sounds. ==== Documentation ==== Files: Version 1.0 * [[attachment:vamp1_brd.png|board image]] [[attachment:vamp1_4.brd|board eagle file]] * [[attachment:vamp1_sch.png|schematic image]] [[attachment:vamp1_4.sch|schematic eagle file]] * [[attachment:vamp1_4.lbr|library eagle file]] * [[attachment:vamp1.zip|pcb gerber files]] * [[attachment:vamp1_bom.pdf|pdf parts listing]][[attachment:vamp1_bom.ods|.ods parts listing]]