A. The problem is that a sensor device is needed to detect when someone gets close to a desk

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B. This design would include an 1 foot tall, 8 by 10 inch device that has an oscillating sensor LED lights, and sirens. This device should be able to plug into a computer and send a notification when it senses someone

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C. Constraints: Low Power DC motors, Small LED Lights, Small Piezo, Ultrasonic sensor, Access to 3D printers, cardboard.

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D. Sketches of Models: