const int sensorPin = D2;
const int ledPin1 = D0;
const int ledPin2 = D6;
const int threshold = 500;

void setup() {
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  pinMode(ledPin3, OUTPUT);
  pinMode(sensorPin, INPUT);
  Serial.begin(9600);
}

void loop() {
  int sensorValue = analogRead(sensorPin);
  Serial.println(sensorValue);

  if (sensorValue < threshold) {
    digitalWrite(ledPin1, HIGH);
    digitalWrite(ledPin2, HIGH);
  } else {
    digitalWrite(ledPin1, LOW);
    digitalWrite(ledPin2, LOW);
  }

  delay(100);
}