ob setImages(PImage, PImage, PImage, PImage) 
controlP5.Controller : Knob setLabel(String) 
controlP5.Controller : Knob setLabelVisible(boolean) 
controlP5.Controller : Knob setLock(boolean) 
controlP5.Controller : Knob setMax(float) 
controlP5.Controller : Knob setMin(float) 
controlP5.Controller : Knob setMouseOver(boolean) 
controlP5.Controller : Knob setMoveable(boolean) 
controlP5.Controller : Knob setPosition(float, float) 
controlP5.Controller : Knob setPosition(float[]) 
controlP5.Controller : Knob 