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Make Every Week: Robot Tapping

Solenoids turn code into action.

Download Video_Feb_12__9_54_35_PM.mov

They’re little pistons triggered by an electrical charge. I’ve seen them play drums and unlock drawers, and I’ve wanted to tinker with them for some time.

Turns out using solenoids means using electrical parts I hadn’t used before.

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John Keefe

Data Weather Editor at the New York Times • Previously at CNN, Quartz & WNYC • Founder, Really Good Smarts LLC

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