The Arduino is a type of open source hardware that we covered in The Atlantic in January. "Using an Arduino is fairly straightforward: buy a board (ranging from about $19 to $65) and attach it to a personal computer via a cable. Then load instructions into the Arduino's processor via the personal computer," William Gurstelle explained. "Once programmed, the Arduino makes decisions based on the information transmitted by whatever sensors you've hooked up, and does something corporeal, such as turn on or off the motors, displays, valves, and lights attached to it."
Now, there's a movie coming out about its development and impact. You can check out the trailer above.
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