#include <Encoder.h> 
 
int position; 
Encoder myEncoder; 
 
void setup() { 
  // ataches the encoder to pins EI2 and pin 8
  // EI2 is pin 18 on Wiring S
  // EI2 is pin 2 on Wiring v1
  myEncoder.attach(EI2, 8); 
  myEncoder.write(0); // set the encoder position to 0
} 
 
void loop() { 
  if (myEncoder.attached()) {
    // read the encoder position
    position = myEncoder.read();  
    // detach the encoder 
    myEncoder.detach();
  }
}