#define analogPin 32
int val = 0;
int APWM =0;
const int led1 = 25;
const int led2 = 26;
const int led3 = 27;
const int pwmPin = 33;
void setup() {
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  Serial.begin(9600);
  
}

void loop() {
  val = analogRead(analogPin);
  APWM=map(val,0,4095,0,255);
  int sensor = map(val, 0, 4095, 0, 255);
  digitalWrite(led1, LOW);
  digitalWrite(led2, LOW);
  digitalWrite(led3, LOW);

  if (sensor<50){
    
  }
    else if (sensor<100){
      digitalWrite(led1, HIGH);
    }else if (sensor<200) {
      digitalWrite(led1, HIGH);
      digitalWrite(led2, HIGH);
    }else{
      digitalWrite(led1, HIGH);
      digitalWrite(led2, HIGH);
      digitalWrite(led3, HIGH);
    }
  analogWrite(pwmPin,APWM);
  Serial.print("VAL =");
  Serial.print(val);
  Serial.print(" , AWPM =");
  Serial.print(APWM);
  delay(500); 
}