int l0=2;
int l1=3;
int b0=4;

int b1=5;

void setup() {
  Serial.begin(9600);
  pinMode(l0, OUTPUT);
  pinMode(l1, OUTPUT);
  pinMode(A0, INPUT);
  pinMode(A1, INPUT);
}

void loop() {
  int val0 = analogRead(A0);
  if(val0>=500)
  { tone(b0,500,100);
    digitalWrite(l0, HIGH);
  }
  else{
     digitalWrite(l0, LOW);
  
  }

  Serial.print("val0=");
  Serial.println(val0);

  int val1;
  val1=analogRead(A1);
  if(val1>=500)
  { tone(b1,1500,100);
    digitalWrite(l1, HIGH);
  }
  else{
     digitalWrite(l1, LOW);
     
  }

  Serial.print("val1=");
  Serial.println(val1);


  delay(1000);
}