定時擊發快門

#define SHUTTER_PIN 7

void setup()
{
  pinMode(SHUTTER_PIN, OUTPUT);
  digitalWrite(SHUTTER_PIN, LOW);
}

void loop()
{
        digitalWrite(SHUTTER_PIN, HIGH);
        delay(100);
        digitalWrite(SHUTTER_PIN, LOW);
        delay(30000);//延遲30秒          
}