Liquid filled DS18B20 temperature probe

This is a liquid filled temperature probe for a kegerator, keezer, or any other refrigerator where you want to track the liquid temp, and not just the air temp inside the fridge (which will swing high and low significantly with compressor cycles).

This uses a very common digital temp probe, the DS18B20, in a waterproofed stainless package. If you're an Arduino person, you know where to find these.

For the liquid tube, I am using a cleaned out White Labs yeast vial. All you home brewers h