#8
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As far as the temp probes go I'm planning on using the DS18B20 based units as the 1 wire serial bus is simple and the accuracy for the price is hard to beat ( 5 pieces with a 2m cable run for about $10 ). Also because of the single wire bus you can have as many sensors as you want for redundancy and it all boils down to how much room are you going to spare in the case.
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