This is a small prototype car that uses an ultrasonic sensor so a car will turn to avoid hitting a wall with a remote on off capability.
From store bought to home builds, race your "Hot Wheels" and let the track determine who the winner is!
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This project uses the Particle board to sense the distance from the rear of the vehicle to another object nearby when parking.
Don't spend hundreds of dollars on aftermarket temperature sensors or rely on a fake gauge ever again!