const int ldr_pin =A0;
int ldr_value;
const int pird_pin =13;
bool prdl_value;
void setup() {
  pinMode(pird_pin, INPUT);
  Serial.begin(9600);
  // put your setup code here, to run once:

}

void loop() {
  ldr_value = analogRead(ldr_pin);
  prdl_value = digitalRead(pird_pin);
  Serial.println(pird_pin);
  Serial.println(ldr_value);
  // put your main code here, to run repeatedly:

}