My turn for help with Pulse multiplier for test rig.

[Clive S]

Clive there's others that may do what he wants from $25 would Servo/Stepper Testing : Get Hubbed, The Art of CNC or this on ebay Reversible Stepper Motor Speed Regulator Pulse Signal Controller stepping 12-24v | eBay Mike

Well you get the prize, good find. ..Clive