// Morse code SOS // sends the famous SOS morse code // Programmed by Arman5592 // Attach Light Emiiting Diode // + to pin 7 // - to any of the GNDs int led = 7; void setup() { // tell the board to START LISTENING : pinMode(led,OUTPUT); } // loop = keep up the work void loop () { digitalWrite (led,HIGH); delay(1000); digitalWrite (led,LOW); delay(150); digitalWrite (led,HIGH); delay(1000); digitalWrite (led,LOW); delay(150); digitalWrite (led,HIGH); delay(1000); digitalWrite (led,LOW); delay(1000); // now we've sent the first S through morse ! digitalWrite (led,HIGH); delay(300); digitalWrite (led,LOW); delay(150); digitalWrite (led,HIGH); delay(300); digitalWrite (led,LOW); delay(150); digitalWrite (led,HIGH); delay(300); digitalWrite (led,LOW); delay(1000); //THE o ! OMG digitalWrite (led,HIGH); delay(1000); digitalWrite (led,LOW); delay(150); digitalWrite (led,HIGH); delay(1000); digitalWrite (led,LOW); delay(150); digitalWrite (led,HIGH); delay(1000); digitalWrite (led,LOW); delay(5000); //the last S } //Distress signal received .