#define LED1 2
#define LED2 4
#define LED3 5
void setup() {
// put your setup code here, to run once:
pinMode(LED1, OUTPUT);
pinMode(LED2, OUTPUT);
pinMode(LED3, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
digitalWrite(LED1, HIGH);
digitalWrite(LED1, LOW);
delay(500);
digitalWrite(LED2, HIGH);
digitalWrite(LED2, LOW);
delay(500);
digitalWrite(LED3, HIGH);
digitalWrite(LED3, LOW);
delay(500);
digitalWrite(LED1, LOW);
digitalWrite(LED2, LOW);
digitalWrite(LED3, LOW);
delay(500);
digitalWrite(LED1, HIGH);
digitalWrite(LED2, HIGH);
digitalWrite(LED3, HIGH);
delay(500);
digitalWrite(LED1, LOW);
digitalWrite(LED2, LOW);
digitalWrite(LED3, LOW);
delay(500);
}