// set the variable
 boolean pushButton1;
 boolean pushButton2;
 int ledPin = 9; //LED pin
 int brightness = 128; //LED brightness


void setup() {
  // put your setup code here, to run once:
pinMode(2,INPUT_PULLUP);  // 
pinMode(8, INPUT_PULLUP);
pinMode(ledPin,OUTPUT);
Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
pushButton1 = digitalRead(2);
pushButton2 = digitalRead(8);

if (!pushButton1 && brightness > 0){
brightness--;

}else if(!pushButton2 && brightness <255){
brightness++;

}
analogWrite(ledPin,brightness);
Serial.println(brightness);
delay(10); 
}