On Mon, Aug 18, 2014, at 05:00 PM, John Gardner wrote: >=20 > There's no canned solution that I'm aware of - You pick your poison. You must mean a Theremin, right? :) Bob --=20 http://www.fastmail.fm - Choose from over 50 domains or use your own --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .