On Sun, 5 Feb 2006, Peter Todd wrote: > On Sun, Feb 05, 2006 at 08:26:36PM +0200, Peter wrote: >>> My looney scheme was to put a small heater at the very bottom controlled >>> by a PIC with some temperature sensors. I'd have the heater add heat to >>> the fridge portion based on the temp sensor reading to keep it above >>> freezing so that the overall temperature differential would be greater. >>> Power would be supplied by thin insulated copper strips sneaking past >>> the door seal. I suspect that the manufacture assumed in the design >>> that the door would be opened more often than it is, I'm practically >>> never home. >> >> Get hold of some 1/3 inch expanded polystyrene board, cut two >> rectangular pieces as wide as the fridge, and slip them under the >> freezer compartment. Set the gap between them (more or less overlap) to >> regulate the cooling of the lower compartment. > > That's an excellent idea, I'll give it a try. The insulation could slide > in right where the drip tray for the freezer is, just have to remember > to replace it when defronsting. > > Now why didn't I think of that before... Oh, of course, your idea > doesn't run on electricity... You could use static proof foam and stick a couple of pics in it. Come to think of it, a self adjusting tray overlap using a servo and a thermistor could be worth investigating ... Peter -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist