#define LED 4 int blinkN; int serialMessage; // for incoming serial data void setup() { Serial.begin(9600); pinMode(LED, OUTPUT); blink(5); } void loop() { if (Serial.available() > 0) { // read the incoming byte: serialMessage = Serial.parseInt(); // say what you got: Serial.print("I received:"); Serial.println(serialMessage); if (serialMessage != 0){ blink(serialMessage); } } } void blink(int x){ for(int i = 0;i