#include <Servo.h>
Servo sr;

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);

byte pot = map(analogRead(3),0,1023,0,180);

byte stupen[] = {
  B11110,
  B10010,
  B10010,
  B11110,
  B00000,
  B00000,
  B00000,
  B00000
};

void setup() {
sr.attach(3);
pinMode(6, INPUT_PULLUP);
pinMode(7, INPUT_PULLUP);
pinMode(8, INPUT_PULLUP);
pinMode(3, OUTPUT);
lcd.init();
lcd.backlight();
lcd.createChar(0, stupen);
}


void loop() {
sr.write(pot);

if(!digitalRead(6)){
  if(pot == 180) return; // return dělá to že jestli to splní podminku tak se neudělá to po else
  else {
    pot++;
  }
}

if(!digitalRead(8)){
  if(pot == 0) return;
  else {
    pot--; 
  }
}

if(!digitalRead(7)){
  pot=90;
  delay(15);
}

lcd.setCursor(0,0);
lcd.print("Servo ma: "); 
lcd.print(pot);
lcd.write(0);
lcd.print(" ");
lcd.setCursor(0,2);

}