int LDR = A0;
int LDRread;
int LED1=3;



void setup() {
  Serial.begin(9600);
  pinMode(LDR, INPUT);
  pinMode(LED1, OUTPUT);

}

void loop() {
  LDRread = analogRead(LDR);
  Serial.println(LDRread);
  if(LDRread < 350)
  { 
    digitalWrite(LED1, HIGH);
  }
  else
  {
    digitalWrite(LED1, LOW);
  }
  // put your main code here, to run repeatedly:

}