int inPinA = 4;
int inPinB = 3;
int outPin = 7;
int buzzPin = 8;
void setup()
{
//Serial.begin(9600);
pinMode(inPinA, INPUT);
pinMode(inPinB, INPUT);
pinMode(outPin, OUTPUT);
pinMode(buzzPin, OUTPUT);
digitalWrite(outPin, LOW);
digitalWrite(buzzPin, LOW);
}
void loop()
{
bool val1 = digitalRead(inPinA)==HIGH;
bool val2 = digitalRead(inPinB)==HIGH;
if((val1 || val2) && !(val1 && val2) ){
digitalWrite(outPin,HIGH);
digitalWrite(buzzPin, LOW);
}else if(val1 && val2){
digitalWrite(outPin,HIGH);
digitalWrite(buzzPin, HIGH);
}else{
digitalWrite(outPin, LOW);
digitalWrite(buzzPin, LOW);
}
}