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Update April 1st Well the dust has cleared and I have finished and submitted my Google Science Fair project and I very happy with it. I have added the site under the additional information and have also added the video. I think the the robot works great but I think I might try adding wheels and swapping over to some rechargeable batteries. The only problem I really had was shedding the tracks when stuff got stuck in them. Other than that I might play with the code ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/rover-2-0