Here is my first Mindstorms NXT project: The Roadster. One servo motor controls the steering (the mechanism is still hacked up, but I have a couple of ideas for making it more solid).
Another motor powers the rear axles through a differential from nxtasy.org. Designing mechanisms is not a strong suit of mine, but I recognize a cool design pattern when I see it. And reuse is an ingredient to successful engineering.
A very simple program receives notifications from the sonar when objects are detected closer than 35 centimeters and commands the front wheels to turn, in order to avoid collision.
I look forward to downloading the NBC/NXC tools (maybe this weekend?) and building a more complex program.
My inner child is so happy.
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