/*
   PIR sensor tester
*/

int ledpin = 12;
int ledPin = 13;                // choose the pin for the LED
int inputPin = 2;               // choose the input pin (for PIR sensor)
int pirState = LOW;             // we start, assuming no motion detected
int val = 0;                    // variable for reading the pin status
int ldrpin = A0;

void setup() {
  pinMode(ledPin, OUTPUT);      // declare LED as output
  pinMode(inputPin, INPUT);     // declare sensor as input
  pinMode(ldrpin, INPUT);//pin ldr sebagai masukkan 
  Serial.begin(9600);
}

void loop() {
  int statusldr = analogRead(ldrpin);
  int val = digitalRead(inputPin);  // read input value
  if (val == HIGH) 
  {            // check if the input is HIGH
    digitalWrite(ledPin, HIGH);  // turn LED ON
    if (pirState == LOW) {
      // we have just turned on
      Serial.println("Motion detected!");
      // We only want to print on the output change, not state
      pirState = HIGH;
    }
  } 
  else 
  {
    digitalWrite(ledPin, LOW); // turn LED OFF
    if (pirState == HIGH) {
      // we have just turned of
      Serial.println("Motion ended!");
      // We only want to print on the output change, not state
      pirState = LOW;
    }

  if (statusldr >500 )
  {
    digitalWrite(ledpin, HIGH);
    Serial.println("kondisi gelap lampu dinyalakan");
    Serial.println(statusldr);
    delay(1000);
  }
  else
  {
    digitalWrite(ledpin, LOW);
    Serial.println("kodisi terang lampu dimatikan");
    Serial.print("nilai ldr ");
    Serial.println(statusldr);
    delay(1000);
  }
  }
}