Servo Magazine (February 2018)
Avoiding Obstacles while Following a Line with the Scribbler 3
Many people know that Parallax’s Scribbler 3 robot can draw pictures with precise movements because of its wheel encoders. However, the Scribbler’s IR and line sensors along with access to a hacker port provide capabilities that make it a contender for more mainstream robotic projects. That algorithm will be explained in detail, so you can make other robots perform these tasks even if you don’t own a Scribbler.
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