int LDR_value = 0;

int LDRvalue = 0;
#define LDRValue A0

void setup()
{
  pinMode(LDRValue, INPUT);
  Serial.begin(9600);

}

void loop()
{
  // read the value from the LDR sensor
  LDRvalue = analogRead(LDRValue);
  // Print the sensor reading to the serial monitor
  Serial.print("The LDR value is");
  Serial.println(LDRvalue);
  delay(1000); // Wait for 1000 millisecocnd(s)
 
}