//define pins
int triggerButton = 6;
int relayPin = 8;
#define inputCLK 2
#define inputDT 3

//define variables
int triggerVal = 1;
int delayValue = 200;

int counter = 0;
int currentStateCLK;
int previousStateCLK;

 String encdir ="";

void setup() {
  //define pins
pinMode (triggerButton, INPUT_PULLUP);
pinMode (relayPin, OUTPUT);

pinMode (inputCLK,INPUT_PULLUP);
pinMode (inputDT,INPUT_PULLUP);
Serial.begin(9600);
previousStateCLK = digitalRead(inputCLK);
}

void weld(){
    triggerVal = digitalRead(triggerButton);
  //Serial.println(triggerVal);
if (triggerVal == 0) {
  digitalWrite(relayPin, HIGH);
  delay(delayValue);
  digitalWrite(relayPin, LOW);
  triggerVal = 1;
  delay(2000);
}
  }

void loop() {
// Read the current state of inputCLK
//Serial.print(digitalRead(inputDT));
//Serial.print("  ");
//Serial.print(digitalRead(inputCLK));
//Serial.print("  ");
   currentStateCLK = digitalRead(inputCLK);

   // If the previous and the current state of the inputCLK are different then a pulse has occured
   if (currentStateCLK != previousStateCLK){

     // If the inputDT state is different than the inputCLK state then
     // the encoder is rotating counterclockwise
     if (digitalRead(inputDT) != currentStateCLK) {
       counter --;
       encdir ="CCW";

     } else {
       // Encoder is rotating clockwise
       counter ++;
       encdir ="CW";

     }
     Serial.print("Direction: ");
     Serial.print(encdir);
     Serial.print(" -- Value: ");
     Serial.println(counter);
   }
   // Update previousStateCLK with the current state
   previousStateCLK = currentStateCLK;
weld();
}