void setup() {
// put your setup code here, to run once:
pinMode(4, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
digitalWrite(4, HIGH);
delay(1000);
digitalWrite(4, LOW);
delay(1000);
}
void setup() {
// put your setup code here, to run once:
pinMode(4, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
digitalWrite(4, HIGH);
delay(1000);
digitalWrite(4, LOW);
delay(1000);
}