#define LDR_PIN 35
#define LED_RED 33
#define LED_GREEN 25

int threshold = 500;

void setup() {
  pinMode(LED_RED, OUTPUT);
  pinMode(LED_GREEN, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  int lightValue = analogRead(LDR_PIN);
  Serial.println(lightValue);

  if (lightValue < threshold) {
    digitalWrite(LED_RED, HIGH);
    digitalWrite(LED_GREEN, LOW);
  } else {
    digitalWrite(LED_RED, LOW);
    digitalWrite(LED_GREEN, HIGH);
  }

  delay(200);
}