If you have ever done any beer brewing, you may have looked for easier ways to do it. It can be a lot of work and there is a lot of precision needed. On top of that, if you have ever built any electronic gadgets and brewed beer, you may have considered making an electronic gadget to make your brewing process easier. Take a look at BrewPi, they have just release open source code that works on the Raspberry Pi, which has been a wonder for us gadget creators out there. Take a look, it might give you a good idea to gadget up!