#arch497

[ngrcosta]

laser cut - box

[arch497-08]

Flash Detector with Analog Interrupt Code

int flashes = 0;

int wait = 1000;

void setup()

{

  pinMode(7,INPUT);

  pinMode(13, OUTPUT);

  Serial.begin(9600);

  ACSR = B01011010; // comparator interrupt enabled and tripped on falling edge.

  digitalWrite(13, HIGH);

}

void loop()

{

  for(int i=0; i<flashes; i++)

  {

    digitalWrite(13, LOW);

    delay(100);

    digitalWrite(13, HIGH);

    delay(100);

  }

  delay(1000);

}

ISR(ANALOG_COMP_vect)

{

  flashes++;

  Serial.print("Number of Flashes: ");

  Serial.println(flashes);

  delay(wait);

}

[ngrcosta]

blinking led experiments

[ngrcosta]

Crown Hall

[arch497-08]

Camera Flash around Crown Hall

[vbrune-blog]

light and shadow on glass

reflection image on floor