#define led 21
#define b1 14
#define b2 13



void setup() {

  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(led, OUTPUT);
  pinMode(b1, INPUT_PULLUP);
  pinMode(b2, INPUT_PULLUP);
  
}


// LED active high 
// two button (both are pull up ) --> pin + GND




void loop() {
  if(digitalRead(b1)==LOW){
    digitalWrite(led, HIGH);
  }else if (digitalRead(b2)==LOW){
    digitalWrite(led, LOW);

  }
  // put your main code here, to run repeatedly:
  // this speeds up the simulation
}