#include <LiquidCrystal.h>
LiquidCrystal lcd(7,8,9,10,11,12);
int led =5;
int state = 0;

void setup() {
  lcd.begin(16,2);
  pinMode(led, OUTPUT);
  pinMode(2, INPUT_PULLUP);
  pinMode(3, INPUT_PULLUP);
  attachInterrupt(digitalPinToInterrupt(2),buttonpress1,LOW);
  attachInterrupt(digitalPinToInterrupt(3),buttonpress2,LOW);
}

void loop() {
  state = digitalRead(led);
  lcd.setCursor(0,0);
  lcd.print("Eghrari");
  delay(1000);
  lcd.clear();
}
void buttonpress1(){
  if (state == 0 ){
    for (int a=0;a<=255;a++) {
      analogWrite(led,a);
      int percent = map(a,0,255,0,100);
      lcd.setCursor(10,0);
      lcd.print("    ");
      lcd.setCursor(10,0);
      lcd.print(percent);
      lcd.print("%");
      lcd.setCursor(0,1);
      lcd.print("Rising...");
      delay(2000);
    }
  }
}
void buttonpress2(){
  if (state == 1){
    for (int a=255;a>=0;a--) {
      analogWrite(led,a);
      int percent = map(a,0,255,0,100);
      lcd.setCursor(10,0);
      lcd.print("    ");
      lcd.setCursor(10,0);
      lcd.print(percent);
      lcd.print("%");
      lcd.setCursor(0,1);
      lcd.print("Falling...");
      delay(2000);
    }
  }
  }