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Topic: RPM Counter / Tachometer (Read 1 time) previous topic - next topic

Jak24

I recently tried to use this:
http://arduinoprojects101.com/arduino-rpm-counter-tachometer/
But it doesn't seem to be working.
I used the Infrared Emitter and Detector from Radioshack:
http://www.radioshack.com/product/index.jsp?productId=2049723
would that be an issue?
Any suggestions?

Krodal

The radioshack components are a normal IR led and a normal IR transistor. So that should work.

Are you sure everything is connected as in the picture ?


Lavan

Are you sure its emitting light?  You can test this easily with a camera. 

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