#define LED_PIN D6

#define PIR_PIN D7

void setup() {

pinMode(LED_PIN , OUTPUT);

pinMode(PIR_PIN , INPUT);

Serial.begin(9600);

}

void loop() {

int x = digitalRead(digitalPin);

Serial.print("X= ");

Serial.println(x);

if ( x == 0) {

digitalWrite(LED_PIN , HIGH);
delay(1000);

}

else {

digitalWrite(LED_PIN , LOW);

}

delay(100);

}