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This is the start here robot. I have added a couple of things. I have an LED tail (green) and a LED (red) in the front. The green light is high when no obstacles ahead, and low when obstacles are present. The red light has the opposite code. I have also added an on/off switch. I got tired of having to take a battery out any time I needed to cut power. I used a type of plastic called "sintra" that you can get from Solarbotics. It is really easy to use and ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/pica-my-start-here-robot