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PID line following

The line following using pid is better. but m unable to understand the procedure to do it on Pic 16 microcontroller...

will someone help with this? first i took values from sensor,subtracted it from correct value,hence i got error value,what to do after that?

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The following post may be useful to you. Check out the comments as well as the link in the original post.

Also try searching LMR for other posts on PID control and line following.

which following post are you refering to?