int Redled = 3;
int Yellowled = 5;
int Greenled = 6;
int Potentiometer = A0;
int value;

void setup() {
  pinMode(Redled, OUTPUT);
  pinMode(Yellowled, OUTPUT);
  pinMode(Greenled, OUTPUT);
  pinMode(Potentiometer, INPUT);
  Serial.begin(9600);
}
void Kelapkelip(){
  digitalWrite(Redled, HIGH);
  delay(500);
  digitalWrite(Redled, LOW);
  delay(100);
}

void loop() {
  value = analogRead (Potentiometer);
  value = map (value,0,1024,0,255);
  Serial.println(value);
  delay (1000);
  if (value >= 200 && value < 256){
    digitalWrite(Yellowled, LOW);
    digitalWrite(Greenled, LOW);
    Kelapkelip();
  }
  else if (value >= 100 && value < 200 ){
    digitalWrite(Redled, LOW);
    digitalWrite(Yellowled, HIGH);
    digitalWrite(Greenled, LOW);
    
  }
  else if (value < 100){
    digitalWrite(Redled, LOW);
    digitalWrite(Yellowled, LOW);
    digitalWrite(Greenled, HIGH);
  }
}