help building an led voltmeter

[caress]

i'm building a 4ms fuzz jade with a couple of modifications...i'm some switchable diode clipping stages, a modified tone control and a battery sag with voltmeter...  my question is this:  does anyone know of a simple build for an led voltmeter so that i can use that instead of an analog or digital voltmeter?  i would need it to register up to 9v on up to 9 led's...they don't need to fade into each other, although that would be pretty amazing.  i've done quite a bit of searching and found digital voltmeters, led voltmeters that register numerically and other random metering...  ALSO, does anyone know of a simple way to add an LFO in place of any knob on a pedal?  i'm sort of new so any schematics, layouts, pictures, whatever would be amazing.  thanks so much

[The Tone God]

You can use a LM3914 for a voltage meter.

Andrew