Today in class we worked on the Lego ball finding robot. For throwing the ball, we are using something like a baseball pitcher with a wheel spinning really fast that shoots the ball and a piece that pushes the ball into the wheel. We were having trouble because it kept falling apart, or it was at too little or too much of an angle, or the ball would get stuck. We solved that by mounting the wheels directly to the shooter. We also were working on the robot design and where the wheels should go during the later part of class. A problem we were having with that was that the there was almost nowhere to attach the NXT to. To solve that we attached the NXT directly in between the wheels with the sonar sensor in the front.
During mentor session we worked on the ball shooter and the robot some more. We also worked on the program for finding the ball. We are actually putting the work into it and using the sonar sensor and programming method to detect and find the ball, rather than going the cheap easy route via Bluetooth like most of the other groups are. The hardest part about this is getting the program to work and getting the sonar sensor to detect the ball.
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