const int LDR = 4; //
const int LED = 5; //
int input_val = 0;
void setup() {
Serial.begin(9600);
pinMode(LED, OUTPUT);
}
void loop () {
input_val = analogRead(LDR);
Serial.print("LDR Value is : ");
Serial.print(input_val);
delay(1000);
if (input_val>800)
{
digitalWrite(LED,HIGH);
delay(5000);
}
else{
digitalWrite(LED,LOW);
delay(5000);
}
}