int led1 = 12; int led2 = 13; void setup() { pinMode(led1, OUTPUT); pinMode(led2, OUTPUT); } void loop() { blinkSequence(led1, 3, 100, 50); blinkSequence(led2, 3, 100, 50); } void blinkSequence(int led, int count, int timeON, int timeOFF) { for(int counter = 0; counter < count; counter++) { digitalWrite(led, HIGH); delay(timeON); digitalWrite(led, LOW); delay(timeOFF); } }