[sdiy] one switch per key

[tomg@efm]

Sorry...I know I missed you....yes 3819 is correct and yes it will
scale...I've got mine hooked to 5 octaves.

Tom



> >  > Hi Dave the NFS has a one switch per key controller.
> >  >  
> >  >  http://www.geocities.com/efm_gc/nfs_b.pdf
> 
> Thanks Tom,
> 
> This should work fine.  What would a good FET for Q1 be?  I think I have 
> 2N3819's here... will those work alright?
> 
> Also, I see it's designed for a 32 note keyboard.  2.99V/32keys = .0934 
> V/key.  I have a 37 key setup should I use .0934x37 or 3.457v across my 
> resistor ladder?  Will Trimmer T1 allow enough range for this?
> 
> Thanks in advance
> 
> Dave Magnuson