pic16f877a

Schematic rotary switch

How to interpret the direction of rotation from a digital rotary switch with a PIC using PIC16F877A

How to interpret the direction of rotation from a digital rotary switch with a PIC The objective for this Instructable is to illustrate how to interface a digital (quadrature coded) rotary switch with a microcontroller. Don’t worry, I’ll explain what quadrature coded means for us. This interface and the accompanying software will allow the microcontroller

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