Archive

Archive for the ‘PathBot’ Category

Follow Lines – Fork in the Road

March 14, 2010 Leave a comment

**Repost from an article I posted on Mindsensors forums last year.

People have asked me to provide more information about my video on the Mindsensors site about testing the Line Leader sensor. How can the robot make a choice at a fork in the road (line)?
My Video: http://www.youtube.com/watch?v=isf2Kz_jdrA
First, let’s expand on the problem. I found an interesting video a while back on YouTube.com for a Robocup Jr – Rescue competition that outlined some fairly complex rules for following a line to a destination. In short, there are 10+ line configurations that a robot must be able to navigate in order to complete the mission. There is much more to this mission, but the focus here is on following the lines…
Robocup Jr Video: http://www.youtube.com/watch?v=LUvBfAmUm48

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Follow a Line – Line Following Basics

August 31, 2009 1 comment

Summary

There are many ways (and sensors) available that can allow a robot to follow a line. I have experimented a few that are of interest.

  • Single Light Sensor
  • Two Light Sensors
  • Mindsensors LineLeader Sensor (Intelligent array of 8 light sensors in one I2C package)

In this article I review a couple of standard ways of staying on track, and then review the new Mindsensors – Line Leader sensor.  I was part of a beta-testing group for this great sensor.

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