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COLIN KWOK ENGINEERING PORTFOLIO
Assignment 4
SP4 SolidProfessor
Pinion Mount

Strainer

CP4 Custom Parts
ELEGOO UNO R3



I4 Invention
A. The problem is that a sensor device is needed to detect when someone gets close to a desk
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
C. Constraints: Low Power DC motors, Small LED Lights, Small Piezo, Ultrasonic sensor, Access to 3D printers, cardboard.
D. Sketches of Models:










S4 Sketching
A.


B.

C.
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