int Sw1 = 2;
int Sw2 = 3;
int Sw3 = 4;
int Sw4 = 5;
int Led1 = 9;
int Led2 = 10;
int Led3 = 11;
int Led4 = 12;
void setup() {
pinMode(Sw1, INPUT);
pinMode(Sw2, INPUT);
pinMode(Sw3, INPUT);
pinMode(Sw4, INPUT);
pinMode(Led1, OUTPUT);
pinMode(Led2, OUTPUT);
pinMode(Led3, OUTPUT);
pinMode(Led4, OUTPUT);
}
void loop() {
if(digitalRead(Sw1) == LOW)
digitalWrite(Led1, HIGH); else
digitalWrite(Led1, LOW);
if(digitalRead(Sw2) == LOW)
digitalWrite(Led2, HIGH); else
digitalWrite(Led2, LOW);
if(digitalRead(Sw3) == LOW)
digitalWrite(Led3, HIGH);
else
digitalWrite(Led3, LOW);
if(digitalRead(Sw4) == LOW)
digitalWrite(Led4, HIGH); else
digitalWrite(Led4, LOW);
}