Gallery: Linux Does Beer: Raspberry Pi Moonlights as Dutch Brewmeister
01raspberry-pi-three
*Elco Jacobs uses an electronics board called the Arduino (above) and a tiny Raspberry Pi Linux computer to power his personal fermentation machine.*
02raspberry-pi-two
*The fermentor inside Elco Jacobs's BrewPi fridge. Those wires are connected to sensors that measures the temperature of the brew. The sensors are watertight, and so are the holes in the fermentor.*
03raspbery-pi-four
*The view on top of the BeerPi, where Jacobs can tap into the refrigerator's compressor and light bulb. "It’s a great fridge to hack, because all circuits are accessible from the top," says Jacobs.*
04raspberry-pi-five
*Jacobs rerouted the connections to the fridge compressor and light bulb through a pair of "relays" controlled by the Beer Pi Arduino. The compressor is used for cooling, and the light bulb can be used for heating.*
05raspberry-pi-six
*The two relays, just in front of the Arduino.*
06raspberry-pi-nine
*Jacobs uses a USB hub (left) to power the Raspberry Pi (right) and the Arduino. The Pi controls the Arduino, but also serves up a web interfaces for his contraption.*
07raspberry-pi-one
*The BeerPi's 4- by 20-character OLED display.*
08raspberry-pi-seven
*One of the 3-pin DIN connectors inside the fridge that connect the Arduino to the beer sensors.*
09raspberry-pi-eight
*And here's the BeerPi's web interface. You can slowly increase or decrease the temperature inside the fridge. You can keep the temperature of the fridge constant. Or you can keep the temperature of the beer constant.*
