#define encoder0PinA 5
#define encoder0PinB 18
#define encoder0Btn 19
int encoder0Pos = 0;
void setup()  {
  Serial.begin(9600);
  pinMode(encoder0PinA, INPUT_PULLUP);
  pinMode(encoder0PinB, INPUT_PULLUP);
  pinMode(encoder0Btn, INPUT_PULLUP);
  attachInterrupt(encoder0PinA, doEncoder, CHANGE);
}
int valRotary,lastValRotary;
void loop() {
  int btn = digitalRead(encoder0Btn);
  Serial.print(btn);
  Serial.print(" ");
  Serial.print(valRotary);
  if(valRotary>lastValRotary)
  {
	Serial.print("  CW");
  }
  if(valRotary <lastValRotary) {

	Serial.print("  CCW");
  }
  lastValRotary = valRotary;
  Serial.println(" ");
  delay(250);
}
void doEncoder()
{
  if (digitalRead(encoder0PinA) == digitalRead(encoder0PinB))
  {
	encoder0Pos++;
  }
  else
  {
	encoder0Pos--;
  }
  valRotary = encoder0Pos/2.5;
}