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Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!
JorgeWanderley

Mini Ar Condicionado USB

by JorgeWanderley Aug 12, 2016
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Such a precious design!!! I hope soon I will make mine

I have done a similar design, incorporating a control unit, two heat sinks, and two fans. this is a start, but realistically does much better with heat sinks on both sides of the peltier component, and more air over the hot side than the cold. In essence the peltier Thero-electric cooling component(TEC) simply uses energy to transfer heat energy from one side to the other. This is arguably not a great method, try using a water cooled heat sink for the hot side, and a simple aluminum heat sink for the cold side, you will have a much more satisfying Air cooling unit.

Congratulations.
I made the thing but cannot get cold air. May be something wrong in the orientation of components. Is Peltier cell cold face up or down? What about the cooler orientation? Thank you

Cool, peltier tablet should be placed with the side it cools down. You may need to put another fan or a heat sink on top of the box to prevent burning the peltier.