Off my part off current

 //////led---->D4-G

/////ir---->G,3V,d1

source: https://www.youtube.com/watch?v=FhuJwRSw9xM

int LED = 2;       

     

int SENSOR_OUTPUT_PIN = 5;

void setup() {

  pinMode(SENSOR_OUTPUT_PIN, INPUT);  

  pinMode(LED, OUTPUT);           

  Serial.begin(9600);

}

void loop() {

  int sensorvalue = digitalRead(SENSOR_OUTPUT_PIN);

  Serial.println(sensorvalue);

  

  if (sensorvalue== HIGH) {

 

   digitalWrite(LED, HIGH);

    delay(1000);

  }

  else {

    digitalWrite(LED, LOW);

   

  }

}