int potpin= A4; // Potentiometer Connrcted To A4
int potvalue = 0;
int led = 7;
int led2 = 6;
int led3 = 5;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);  // Start Serial MOniter
  pinMode(led, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  potvalue = analogRead(potpin); // Read Potentiometer 0-1023
  potvalue = 1023 - potvalue; // Invert Value

  Serial.println(potvalue);  // Print Serial Moniter
  if (potvalue <100){
    digitalWrite(led , LOW);
    digitalWrite(led2 , LOW);
    digitalWrite(led3 , LOW);
  }
  else if (potvalue >100 && potvalue <300){
    digitalWrite(led , HIGH);
    delay(800);
    digitalWrite(led , LOW);
    delay(800);
    digitalWrite(led2 , LOW);
    digitalWrite(led3 , LOW);
  }
  else if (potvalue >300 && potvalue <600){
    digitalWrite(led , HIGH);
    digitalWrite(led2 , HIGH);
    delay(500);
    digitalWrite(led , LOW);
   digitalWrite(led2 , LOW);
    delay(500);
    digitalWrite(led3 , LOW);
  }
  else if (potvalue >600 && potvalue <900){
    digitalWrite(led , HIGH);
    digitalWrite(led2 , HIGH);
    digitalWrite(led3 , HIGH);
    delay(500);
    digitalWrite(led , LOW);
   digitalWrite(led2 , LOW);
   digitalWrite(led3 , LOW);
    delay(500);
  }
  else{
    digitalWrite(led, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
  }
//  delay(200);                // Small Delay For Readability
}