Thanks to the people that responded to this. My friend wanted it, to quote him, "To get ideas for circuits". Eg. flick through see there is an IC for XYZ purpose and think of ways to use it. For hobby purposes. I'll forward the suggestions made onto him. Thanks! -- Michael Davidson Fortune: "I'd love to go out with you, but I never go out on days that end in `Y.'" -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu