Yesterday was a long day, but a good one! We spent a good bit of the time working on the system of motors, gears, and chain that will make our robot move—getting the chain to be just the right length can be really tricky, but we worked it out by running the chain over small pieces of plastic to change the tautness.  We also worked out a couple previously-unnoticed issues with the tube that will shoot out the balls, finished building and attached the mechanisms that will pick them up, and continued working on the software and the “brain” of our robot (shown below).

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