#include <Arduino_APDS9960.h>

int relayPin = D2;
int s = 0;

void setup() {
  Serial.begin(9600);
  pinMode(relayPin, OUTPUT);
  while (!Serial);

  if (!APDS.begin()) {
    Serial.println("Error initializing APDS-9960 sensor!");
  }
}

void loop() {
  int proximity = APDS.readProximity();
  while (s <= 1500) {
    //Serial.println("true"); // Switch Relay On (NO)
    digitalWrite( relayPin, LOW );
    if (APDS.proximityAvailable()) {
      proximity = APDS.readProximity();
      //Serial.println(proximity);   // print value to the Serial Monitor
    }
    while (proximity >= 240) {
      //Serial.println("false");// Switch Relay Off (NC)
      
      Serial.println(proximity);
      digitalWrite( relayPin, HIGH );
      delay (250);
      //Serial.println("true"); // Switch Relay On (NO)
      digitalWrite( relayPin, LOW );
      delay (250);
      if (APDS.proximityAvailable()) {
        proximity = APDS.readProximity();
      }
    }
    delay(1000);
    s = s+1;
  }
  Serial.println("false");   // Switch Relay Off (NC)
  digitalWrite( relayPin, HIGH );
  delay (300000);

}