int a = 1;
int b = 1;
void setup() {
pinMode(13, INPUT_PULLUP);
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
// put your setup code here, to run once:
Serial.begin(9600);
}
void loop() {
if (digitalRead(13)==0){
a++;
digitalWrite(a, HIGH);
delay(250);
}
if(a>=5&&digitalRead(13)==0){
b++;
digitalWrite(b, LOW);
delay(250);
}if(digitalRead(13)==0){
Serial.println(a);
Serial.println(b);}
if(b==5){
a=1;
b=1;}
}