#define LED1 23
#define LED2 22
#define LED3 21
#define LED4 19
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
pinMode(LED1, OUTPUT);
pinMode(LED2, OUTPUT);
pinMode(LED3, OUTPUT);
pinMode(LED4, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
digitalWrite(LED1,HIGH);// acende
delay(1000);
digitalWrite(LED1, LOW); //apaga
delay(1000);
digitalWrite(LED2,HIGH);// acende
delay(1000);
digitalWrite(LED2, LOW); //apaga
delay(1000);
digitalWrite(LED3,HIGH);// acende
delay(1000);
digitalWrite(LED3, LOW); //apaga
delay(1000);
digitalWrite(LED4,HIGH);// acende
delay(1000);
digitalWrite(LED4, LOW); //apaga
digitalWrite(LED2, LOW); //apaga
digitalWrite(LED3, LOW); //apaga
digitalWrite(LED4, LOW); //apaga
delay(1000);
}