hi,
im building my first ever robot and its to be a line follower.
i have absolutely no idea where to start.
i think i know it should have a sensor(ive ear-marked photodiodes) fro edge detection and im using a microcontroller for the brains but apart from that i know nothing.
where do i begin??

 

You are going to like this..... http://www.robotroom.com/Sandwich.html

Ivancho

 

try this link:

http://www.kmitl.ac.th/~kswichit/LFrobot/LFrobot.htm

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am currently building one myself but am concentrating on doing it in pure analog. :shock:

i would suggest that you use phototransistors than photodiodes, the photodiodes are overly sensitive to light.

oh yeah, what are you gonna use for your steering?