How to detect direction with encoder ? LPC2148 from NXP

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deksod

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I am doing dc servo motor controller.I want control position.But i don't know used some registry?Now I can read encoder by timer counter registry.Plsease help me.
Hardware: LPC2148 form Nxp
 

Hi

You will need to add a sensor who will tell you where is start point - like the QRD1313

And the then you can use encoder data to measure direction

All the best

BObi

The microcontroller specialist
 

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