tachus42:
I made some minor changes (went to lm317 to give a little more headroom for the FETS, slight change in probe logic) and uploaded your 3 channel board:
http://webpages.charter.net/pminmo/cncelectronics.htm

Got it down to 9 jumpers, changed the logic probe for three states open, low and high. Started a information document. Please review.

Phil