半加器电路练习

void setup()
{
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  Serial.begin(9600);
}

void loop()
{
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  Serial.println("A=0, B=0");
  delay(2000);
  
  digitalWrite(2, LOW);
  digitalWrite(3, HIGH);
  Serial.println("A=0, B=1");
  delay(2000);
  
  digitalWrite(2, HIGH);
  digitalWrite(3, LOW);
  Serial.println("A=1, B=0");
  delay(2000);
  
  digitalWrite(2, HIGH);
  digitalWrite(3, HIGH);
  Serial.println("A=1, B=1");
  delay(2000);
  
}