Desktop Fist Bumper using arudino

This simple device sits on your desk at work, ready to give you fist bumps throughout the day as you need them. A 3D printed "fist" is moved by a servo attached to a rack and pinion mechanism. An ultrasonic range finder detects when you place your hand near it, and an Arduino Uno controls it all. Materials: Arduino Uno - RadioShack 276 128 Standard servo - RadioShack 273 766 Ultrasonic range sensor - RadioS ...

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