‘Lab in a Backpack’ Revitalizes Electronics Class
Northwestern-created nScope turns any laptop into an electronics workbench
A new tool is changing the way electronics is taught in the classroom at Northwestern — and its creators are offering it to the public through a wildly successful Kickstarter campaign.
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Michael Peshkin, a professor of mechanical engineering in the McCormick School of Engineering, calls the nScope a “game changer.” He previously sent his students to the lab, only to watch them follow cookbook-like instructions and hurry to leave.
“Students go into the lab with the attitude ‘this better work’ because they want to finish in the allotted three hours,” Peshkin said. “That’s the wrong spirit. They’re supposed to experiment, design, and learn by trying.”
Believing that electronics design and experimentation should be fun, Peshkin longed to make the lab experience more exciting and dynamic. In 2008, he began cobbling together off-the-shelf parts to make the instrumentation portable and usable in the classroom, rather than the lab. The course that resulted, called Electronics Design, was immediately popular with students and soon part of the standard mechanical engineering curriculum. But the portable lab equipment was rather finicky and too expensive for students to buy and keep. Recognizing they could create a better alternative, lecturer Nicholas Marchuk and graduate student David Meyer began work to develop an all-in-one portable electronics lab, which later became the nScope.
With the help of the nScope, Peshkin’s class has become the lively, enthusiastic place he desired. “I lecture for about five minutes at a time, and then the students use the nScope to immediately try out what they learned,” he said. “The classroom has become an active place, where students talk, work together, and build things.”
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The nScope quickly gained popularity and is now used in several mechanical engineering and biomedical engineering courses at Northwestern. Acknowledging the increasing demand for the nScope, Marchuk and Meyer started a campaign on the crowd-funding site Kickstarter. Within days they passed their $25,000 goal to qualify for funding, and the campaign has since gone beyond $130,000.
“We think it’s popular because it’s affordable easy to use,” Meyer said. “A comparable workbench would cost $1,000. If I’m interested in learning a new hobby, I’m not going to spend that much. But I would spend $100.”
The team hopes nScope will eventually become a household name. Easy enough for a beginner but powerful enough for an expert, the nScope could be used in classes at other universities, by hobbyists, professionals, and more. “I like seeing people use the nScope,” Marchuk said. “We want everyone to have the tools to create new things with electronics.”