>> people get tired of re-inventing the wheel and just buy a >> suitable >> bench supply. > Indeed. I wish it were so. If you look at my 12 point list you'll find that most of the features don't appear on most bench supplies. If you are willing to pay enough you'll get some of them. Probably not all. Maybe I should market a proper power supply :-) Russell -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist