Working with Light Dependent Resistor (LDR)

1const int LDR = A0;
2int input_val = 0;
3
4void setup()
5{
6  Serial.begin(9600);
7}
8
9void loop()
10{
11  input_val = analogRead(LDR);
12  Serial.print("LDR Value is: ");
13  Serial.println(input_val);
14  delay(1000);
15}