#define PIR 34

int LDRPin = 35;
int pirState = 0;
int LDRValue = 0;

void setup() {
  Serial.begin(9600);
  pinMode(PIR, INPUT);
  pinMode(18, OUTPUT);
  pinMode(19, OUTPUT);
}

void loop() {
  LDRValue = analogRead(LDRPin);
  pirState = digitalRead(PIR);

  if (pirState == HIGH) {
    digitalWrite(18, HIGH);
    delay(100);
  }
  else if (pirState == LOW) {
    digitalWrite(18, LOW);
    delay(100);
  }

  if (LDRValue < 1750) {
    digitalWrite(19, LOW);
    delay(100);
  }
  else if (LDRValue > 2045) {
    digitalWrite(19, HIGH);
    delay(100);
  }
  else {
    digitalWrite(19, HIGH);
  }
}
NOCOMNCVCCGNDINLED1PWRRelay Module
NOCOMNCVCCGNDINLED1PWRRelay Module