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**Update 9/27/2012** Finally got around to adding a whisker to the robot that I'm happy with, it helps the robot get stuck far less then before, also it adds a third behavior with only 2 more components \o/. I added a different battery pack as well now it has 6 1.2volt 2500mAh NIMH cells. I changed from li-ion to NIMH for the more forgiving attributes, as now I'm attempting to build a solar panel for the robot. I picked up ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/analog-1-wall-following