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Here's my partial build of my six-wheeled GardenerBot. Ideally it will at least drive around the yard successfully! :D Based on the Wild Thumper design idea. Using a Sabertooth 2x5 motor controller and a 12V 5Ah battery. Using an Arduino to provide PWM signals to the Sabertooth. There is not much clearance between the tires. I ended up adding nylon washers to push the front and rear wheels to the outside. The washers rotate on screws, and help maintain spacing between the wheels. It is one way ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/gardenerbot-mark-ii