Clarification: Each team will produced both robots.
I was able to complete both robots this weekend:
Robot 1: Each barrel is placed exactly 6 inches perpendicular to the track on the right side. This is important because the robot does not have the IR sensor and because the front of the robot has the grabber which can knock down objects as it turns around.
In my example, the red color indicates the start of the obstacle course. The first time on the course, the robot counts the number of green dots to get the total number of obstacles on the course. As it loops, it will keep track of how many objects have been collected and will stop when all objects have been collected.
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Lego Mindstorm robot1 - YouTube
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Robot 2: The barrels must be tall enough for the IR sensor to see it. I have made my barrels 15cm tall and placed the IR sensor on top of the medium motor of the grabber. The touch sensor is connected on the back of the robot.
The robot is activated when it senses a beacon. Once activated, it will go in a straight line until an object is close to the grabber. It will then keep backing up until the touch sensor is pressed. It will turn to the right and unload the object. It will then turn around and keep backing up until the touch sensor is pressed. It will stay in one spot until it senses a beacon.
VIDEO:
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Lego Mindstorm robot2 - YouTube
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