int LED[4] = {11,10,6}; int buttonPin = 2; int buttonState = 1; void setup() { pinMode(11, OUTPUT); pinMode(10, OUTPUT); pinMode(6, OUTPUT); pinMode(buttonPin, INPUT); } void loop() { buttonState = digitalRead(buttonPin); if (buttonState == LOW) { for(int i = 0; i < 4; i++) { analogWrite(LED[i], 255); delay(50); } for(int i = 0; i < 4; i++) { analogWrite(LED[i], 0); delay(30); } for(int i = 0; i < 4; i++) { analogWrite(LED[i], 255); delay(50); } for(int i = 0; i < 4; i++) { analogWrite(LED[i], 0); delay(100); } } }