Quote:
Originally Posted by Camelopardalis
So...quick question...it's been a long long time since I did any circuitry...for a crude test, is there any reason I couldn't just use a potentiometer to control the current to the TEC? Obviously I don't want to burn through power that may be limited at a dark site.
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Dunk, I would suggest this is a better choice, and it gives you the control you seek for $3.79:
http://www.ebay.com.au/itm/HOT-New-P...sAAOxy3NBSfIUR
I use this exact device in my control box. You don't need to run it through a temperature controller, simply dialup the power you want with the pot. It's rated to 10A and you only need 6A for the TEC. Just 12V input and output goes to TEC + & -.
There are others available already mounted in boxes.