PLUS+1 Hardware > Controllers

sensor input signal unstable

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macbahi:
Hi!

I have an unstable signal come from laser sensor. 
Please How can I make this signal stable?
I had using exp_filter but without effect.

Please how can I choose T1?

Welcome for other idea

Please could you help

Thanks in advance

cordially

G30RG3:
Depends on what your unstable signal looks like.
Is your signal oscillating, and oscillating predictably? Then you could average the values out.
Is the signal mostly stable, with spike over- and undershoots?  Then I would start with setting limits.
Is there a cause for noise in the signal? Maybe you can subtract the noise from your input signal?
This looks more a maths question than a Guide programming question.
BR
G

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