// Input
int barCode = 7; // Digitized Bar Pattern, connected to digital pin 7

int duration1 = 0;
int duration2 = 0;

void setup()
{
pinMode(barCode, INPUT);
Serial.begin(9600); // ...set up the serial ouput on 0004 style
}

// Main program
void loop()
{
duration1 = pulseIn(barCode, HIGH);
duration2 = pulseIn(barCode, LOW);

Serial.print(duration1);
Serial.print(" ");
Serial.println(duration2);
}