Sparkfun Electronics Thermoelectric Cooler Modules

The Thermoelectric Cooler Modules create a temperature differential on each side. One side gets hot and the other side gets cool. Therefore, they can be used to either warm something up or cool something down, depending on which side you use. Thermoelectric Cooler Modules; Create a temperature differential on each side; Features one side to get hot and the other side to get cool; Can be used to either warm something up or cool something down