Spring Break
Engineers build 'Guitar Hero' robot
By: Kenny Ryan
Issue date: 4/29/08 Section: News
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Vinny Lapenna, a computer engineering major, is a member of the four-man team that built Slashbot. He said the inspiration for the project came from an episode of "South Park" that focuses on the game "Guitar Hero."
"We all saw that episode and we all thought it was really funny," Lapenna said. "For some reason it just became an inspiration for us to make a robot to play 'Guitar Hero.'?"
The robot is built with five mechanical fingers to play the notes along the neck of the guitar and another that strums the notes at the correct time. Slashbot knows when to play by taking the video signal from the group's PlayStation 2 and reading the grayscale pixels of the fret board as they move down the screen. Each time it detects the white dot at the center of each note approaching, it waits the appropriate delay to strum the note on time.
Slashbot reliably plays many songs on "Expert Mode" with approximately 96 percent accuracy.
"There's a YouTube video where I duel it, and I got 96 percent to its 97 percent," Lapenna said. "In my defense, I could have scored higher if we tried again."
Groupmate Michael Voth, a computer engineering major, sacrificed his PlayStation 2 and copy of "Guitar Hero," and left it in the lab for the semester so the robot could be built. Lapenna testified that it was a group effort in which everyone did their share.
Other group members were electrical engineering major David Buckner, who plays drums for a local band, and computer engineering major Mitchell Jefferis. The group was united by its sense of humor and love of rock 'n' roll.
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