how to obtain rpm of a motor using IR LED ?

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binojkumar

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RPM with IRLED

Hi friends how we can obtain rpm of a motor using IR LED
Any particular ckt?

thnks in advance
VC
 

Re: RPM with IRLED

Hi

Put a small mirror on the rotating plate(placed on motor) and use a QRD1313 IR detector from fairchiled for transmit and receive IR pulse

All the best

Bobi

The microcontroller specialist
 

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