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16 years ago
What next?
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16 years ago
It's just one of these with a USB plug.
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16 years ago
I got a cup warmer for Xmas. Same thing in reverse. You just put the cup on the hot side of the peltier instead of the cold.
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16 years ago
Unless its a warmer/chiller, then it will probably just have a resistive element - much cheaper to make, if not quite as efficient.