Without a fridge or cooler, the ice will eventually melt. Luckily, there are a few ways to prolong the dilemma. Exposure to sunlight will expedite melting, so it's helpful to store the beer ...

[Michael] got his hands on a refrigerator that he intended to store beer in but found that it ran ... to build an Arduino-based controller for the fridge. The finished project will switch 240v ...

This is all worth it because a well-controlled fermentation chamber results in a superior batch of beer. They put their laser cut case on top of the fridge, holding an LCD, Raspberry Pi ...