On 8/27/06, David VanHorn wrote: > > > > > > > There's an idea for you Peter, take a traditional clock and replace the > > motor with a stepper. Have it work normally keeping time but > > periodically "go nuts" backwards, fast forward etc, then correct itself > > and behave for a random period.That might sell.. > > :) D > > > A PIR detector could be used to detect when you were really in front of it > "watching" so as to prevent the behaviour during those times, but allow it > to go nuts when nobody's all that close to it. > A couple of pics wired up to piezo's to make it sound like the attic floor is creaking as it would if someone would walk from one side to the other, then ask some unsuspecting friends to house sit for a weekend... Hehe. I like that idea! Sean. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist