Olin Lathrop wrote: > If you use a 3 Ohm current sense resistor, I meant to say have the current sense resistor drop 3V, which at 2A would b= e 1.5 Ohms, not 3 Ohms. Sorry for the confusion. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .