simple air flow sensor using scrap parts.

Step 1: Components

simple air flow sensor using scrap parts.

1, mouse center wheel
2, heat shrink tube 
3, used ball pen refill
4, lm358 comparator circuit
5, acrylic sheet
6, IR slot sensor
<p>Loved the awsm idea man. keep it up!</p>
<p>how can you identify which side is the sensor and which side is the transmitting diode on the slot sensor ? I have many of them of different sized, but no data sheet ? do u have any link ?</p>
<p><a href="http://pdf.datasheetarchive.com/datasheetsmain/Databooks-5/Document249186.pdf" rel="nofollow">http://pdf.datasheetarchive.com/datasheetsmain/Dat...</a><br></p>
I like the idea! You have my vote.
thank you <br>
What a great idea, good work. Voted.
thank you

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Bio: embedded system enthusiast ...
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