[solissydney (Ken)]

I spent a few hours making a cardboard cooler box for my Canon 5D. The Peltier, Max 5 Amp, I got out of a Travel Cooler model M4501 (a free give away from Dick Smith before Christmas) I just installed a small fan inside the box to circulate the air.
Today I tested the setup, See image. Ambient temp was 25 C. After 5 min it showed 20 C, after 10 min 18 C, after 15 minutes 16 degrees. Overall a drop of 9 degrees. I got some 20 - 25 mm thick Styro Foam from broken boxes at the Green Grocer I will insulate the box externally later. Cost of the project? $5.00 for the switch box.