Mobile, Autonomous, Robotic, Harold-Mobile

This is the Harold-Mobile, the ultrasonic sensor is Harold. He has a car which has 4 AFMotors and is able to not hit stuff when he's driving despite being a robot. He's still not that good at driving.

1 Arduino Uno, 4 AFMotors, 2 Lithium batteries, 1 servo, 1 motor shield, some acrylic, an ultrasonic sensor, a bunch of wires, a lithium ion battery pack

Make a chassis in Adobe Illustrator

Laser cut the chassis out of cardboard, wood, or acrylic.

Code the motors and the ultrasonic sensor

Apply the components any way you like. Hot glue is easiest

Add a sick lookin' spoiler