void setup() {
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
}
void loop() {
digitalWrite(6, HIGH);
digitalWrite(7, LOW);
delay(500);
digitalWrite(6, LOW);
digitalWrite(7, HIGH);
delay(500);
}
void setup() {
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
}
void loop() {
digitalWrite(6, HIGH);
digitalWrite(7, LOW);
delay(500);
digitalWrite(6, LOW);
digitalWrite(7, HIGH);
delay(500);
}