Gee. A complete circuit... sweet! I'll experiment with this when I get back next week. Thanks much, -Neil. Peter L. Peres wrote: > > Q1 needs to have a good beta at your working current. To get some real > values for R1 and the pots you must measure the LDR in light and darkness. > > Peter > --- [This E-mail scanned for viruses] -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.