After reading about two projects based on the Arduino microcontroller board, I’m really tempted to pick up my long-postponed stop light controller project.

The first project I saw was an elaborate modification of a Rancilio Silvia espresso machine, just like ours. This modification added a microcontroller, LCD display, and a software-based PID temperature controller. To top it all off, the magic is controlled with a Wii nunchuck.

The second project was a Tweeting Kegerator. What more description do you need to know that this is a truly inspired project? Each time the tap is pulled, a tweet is posted that tells the internal temperature, beer remaining, and number of pulls on that keg. Too fun!

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