Quote:
Originally Posted by luka
Do not use a single stage TEC, you won't get very high temperature differential. Quite a few of us used TEC2-19003 from ebay and it is possible to get 40 degrees C temperature difference.
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Hi Luka,
I will practice to use a optoisolator and a separate power for peltier. And I have a issue of peltier placement, does the peltier reside inside the case or outside the case? If the peltier is outside the case, then the cooling if much better, as it has larger heat dissipation area, but the cold finger copper is more long, which brings bad for colding.
Thanks!