On Fri, 01 Aug 2008 03:42:12 +1200 Apptech wrote: > Sounds like fun. For an acre, I suggest a couple of sheep. Low maintenance, no computer needed, no cameras, IR, remote. Proven efficiency, much less noise. Added advantage is the wool... Of course, this would not be an [EE] solution. John -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist