Arduino Projects

Any circuit or module to detect fan speed identification to micro controller??

Dear connection

I have a circuit for monitoring fan regulator speed change using ADC (as shown).
here iam using current sensor module for speed change identification..
but the problem is

-current sensor output ranges between small voltage so measurement take so difficult
-even in case input supply voltage (230v ) varies its effect the output of current sensor ..
so it hard to detect the speed changes .

could you please suggest some circuits or module to detect the fan speed changes , it should be identified by the micro controller


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Syed Zain Nasir

I am Syed Zain Nasir, the founder of <a href=https://www.TheEngineeringProjects.com/>The Engineering Projects</a> (TEP). I am a programmer since 2009 before that I just search things, make small projects and now I am sharing my knowledge through this platform.I also work as a freelancer and did many projects related to programming and electrical circuitry. <a href=https://plus.google.com/+SyedZainNasir/>My Google Profile+</a>

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Syed Zain Nasir
2 days ago