int LDRPin = 35;
int redPin = 15;
int yellowPin = 19;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(redPin, OUTPUT);
  pinMode(yellowPin, OUTPUT);
}

void loop() {
  int rawLDR = analogRead(LDRPin);
  int newLDR = map(rawLDR, 4063, 32, 0, 100);
  Serial.print("rawLDR = ");
  Serial.println(rawLDR);
  Serial.print("newLDR = ");
  Serial.print(newLDR);
  Serial.println("%");
  delay(1000);

  if(newLDR < 30){
    digitalWrite(redPin, HIGH);
    digitalWrite(yellowPin, LOW);
  } else if(newLDR > 30 && newLDR < 50) {
    digitalWrite(redPin, LOW);
    digitalWrite(yellowPin, HIGH);
  } else {
    digitalWrite(redPin, LOW);
    digitalWrite(yellowPin, LOW);
  }
}