* FineTune (1 1/2 octave.)
* Feet Switch 5 octave (2",4",8",16",32")
* Modulation depth
* PW / PWM depth
* saw/sqr-puls switch, Pitch CV in, Modulation source in, PWM source in, audio out
VCF
* Frequency
* Resonunce
* Modulation depth I/II
* Pitch CV in, Modulation source I/II in, audio in, audio out
VCA
* CV in, audio in, audio out
EG
* Attack Time
* Decay Time
* Susteen Level
* Release Time
* Gate in, CV out
LFO /w Delay
* LFO rate
* Decay Time
* Wave form switch (Triangle / SQR)
* Release Time
* Gate in, CV outI/II
OutputAtt
* audio in, audio out"
Schematics, parts list and more info on One Board Farm.