> digging up the grass for cables etc - No No If you do decide to use a wired solution, not really necessary to make a mess (although presumably vehicles are going to do that anyway - is that why you don't want to lay a wire that will get trashed ?). You need only make a slit in the turf with a spade and lay the wire down in that -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist