#2560, "RE: Running MSnS v3 Board as FULL Standalone (No Spikes)!" In response to In response to 5
I would try doing just what you said. I believe it will eliminate the spikes. It's almost just how corbin did his, only it goes through the opto circuit to possibly make the signal more stable.
Joel Baldridge, ASE Certified Master Technician, Audi Certified Expert Technician