John, I use SAA1042's in my Platform drive circuit (two motors) and have a simple schematic I can send you. Tell me the best formats to send it in. The chip will drive both bipolar and unipolar motors. Chuck Chuck Shaw cshaw@ghgcorp.com (Home e-mail) cshaw@gp801.jsc.nasa.gov (Work e-mail) http://www.ghgcorp.com/cshaw (feeble 1st attempt at a homepage)