@epierre You can use a Peltier element to power this board. Like this one: http://www.ebay.com/itm/TEC1-12706-12V-60W-Heatsink-Thermoelectric-Cooler-Cooling-Peltier-Plate-Module-/121349774916?hash=item1c41029e44:g:mukAAOSwDNdVrg-U TEC1-12706 12V 60W Heatsink Thermoelectric Cooler Cooling Peltier Plate Module $2.09 Sold out