Hi guys...hoping someone out there can help me out. I'm trying to help a high school science class. The task is to put autopilot on a small RC car, which we've managed to do. The second, more challenging task is to return (at the end of the route) as close as possible to the starting point. The autopilot gets us close, but we need to hit it right on. I'm thinking once we get close to use some kind of sensor(s) to get exactly on. Any ideas? Some ideas that have been tossed around are: 1) using…See More