[deutronium]

$500 seems rather excessive to me for something that is mainly presumably a peltier, H-Bridge and MCU along with a bluetooth chip.

I currently make beer, but if I was going to make wine, I'd instead look at sourcing good quality grapes, and just fermenting reasonably cool in a fridge rigged up to a PID.

On the topic of artificially aging wine this article is rather fascinating http://people.math.aau.dk/~cornean/index.html/ACwine.pdf where they use HV AC to apparently decrease the harshness of un-aged wine. Additionally if you did want to age wine you can get small oak barrels from ebay relatively cheaply.

[savrajsingh]

It's priced on value to user, not component cost.

[al2o3cr]

Heh, for funs note how the circa 10 mg/L error bars drop off the free amino acid measurements in Table 3. Would've been embarrassing to have the effect barely bigger than the expected deviation...