//#define = int //
const int ldr_pin = A0;
const int pir_pin = 4;
const int relay_pin =6;
const int trig_pin = 12;
const int epicho_pin = 11;


int ldr_value;
int pir_value;
int distance;
long duration;
int relay_state = LOW;

int ldrThreshold = 512;
int distanceThreshold = 200;

void setup() {
  pinMode( pir_pin ,INPUT);
  pinMode(trig_pin, OUTPUT);
  pinMode(epicho_pin, INPUT);
 pinMode(relay_pin,);
 
 
  
  

}

void loop() {
  // put your main code here, to run repeatedly:

}