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I made this Arduino-brained linefollower robot for a contest where it did not do very well, ran out from track. But it was the cheapest robot there and I learned so much building it, so I have some thoughts and Arduino code to share regardless of the race failure - it's here: http://www.instructables.com/id/Linefollower-robot-from-Arduino-and-junk-thought/
Here are pictures of the build. See image notes for further details. I first posted this photoseries while I had not written the code yet and tests later brought many changes, now I just inserted some final version images, so don't be suprised that it looks different on random pics.
It's ugly, temporary and all expensive parts are reusable for future projects. My personal goal was not to win a contest but make a robot with minimum shopping possible - that I did good enough.
Here's a video about the testing stages in chronological order and also the final result.
Here are pictures of the build. See image notes for further details. I first posted this photoseries while I had not written the code yet and tests later brought many changes, now I just inserted some final version images, so don't be suprised that it looks different on random pics.
It's ugly, temporary and all expensive parts are reusable for future projects. My personal goal was not to win a contest but make a robot with minimum shopping possible - that I did good enough.
Here's a video about the testing stages in chronological order and also the final result.
Jan Willem
This http://www.instructables.com/id/Build-a-SpurtBot-Line-Follower/step17/Thicken-the-right-motor-shaft/ gave me the idea for the heattube usage though the purpose is different.
I hope I can post a clip of it in its proper action in few weeks, so far it has done some moving tests and just run off the line. Some programming to do yet.