int PB01 = 3;
int PB02 = 4;
int led = 2;
byte Tombol1;
byte Tombol2; 

void setup() {
  // put your setup code here, to run once:
pinMode(PB01, INPUT_PULLUP);
pinMode(PB02, INPUT_PULLUP);
pinMode(led, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
Tombol1 = digitalRead(PB01);
Tombol2 = digitalRead(PB02);

if(Tombol1==LOW){
  digitalWrite(led, HIGH);
}
else if(Tombol2==LOW){
  digitalWrite(led, LOW);
}

}