// C++ code
int IR = 13;
void setup() {
// initialize serial communication at 9600 bits per second:
Serial.begin(9600);
pinMode(IR, OUTPUT);
digitalWrite(IR, HIGH);
}
// the loop routine runs over and over again forever:
void loop()
{
// read the input on analog pin 0:
int sensorValue = analogRead(A0);
// print out the value you read:
Serial.println(sensorValue);
delay(1); // delay in between reads for stability
if(sensorValue > 100 )
{
Serial.print("yes now on ");
}
}