Even if I don't push the button, it reads HIGH value

Projects General Guidance
3

Sorry, all code is below:

#include "DHT.h"
#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_PCD8544.h>
#include "RTClib.h"

// Define the connections pins:
#define CLK 2
#define DIO 3

const int buttonPin1=9;
const int buttonPin2=10;
const int buttonPin3=11;

// Create rtc and display object:
RTC_DS3231 rtc;

// Declare LCD object for software SPI
Adafruit_PCD8544 display = Adafruit_PCD8544(7, 6, 5, 4, 3);

#define DHTPIN 2
#define DHTTYPE DHT11

DHT dht(DHTPIN, DHTTYPE);

String extractLastTwoChars(const String &str) {//sağdan trimleme için fonksiyon yazılıyor
  // Check if the string has at least two characters
  if (str.length() >= 2) {
    // Extract the last two characters
    return str.substring(str.length() - 2);
  } else {
    // Handle the case where the string has less than two characters
    return str;
  }
}


void setup() {
  Serial.begin(9600);
  pinMode(buttonPin1, INPUT);
  pinMode(buttonPin2, INPUT);
  pinMode(buttonPin3, INPUT);
  Serial.println("DHRxx test!");
  delay(3000);

  // Check if RTC is connected correctly:
  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC");
    while (1);
  }

  // Check if the RTC lost power and if so, set the time:
  if (rtc.lostPower()) {
    Serial.println("RTC lost power, lets set the time!");
    rtc.adjust(DateTime(2024, 1, 10, 15, 28, 05));
  }

  dht.begin();

  // Initialize Display
  display.begin();
  display.setContrast(57);
}

void loop() {
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  float f = dht.readTemperature(true);

  if (isnan(h) || isnan(t) || isnan(f)) {
    Serial.println("DHT sensöründen veriler okunamadı");
    return;
  }

  float hic = dht.computeHeatIndex(t, h, false);

  display.clearDisplay();
  display.setTextColor(BLACK);
  display.setCursor(0, 0);
  display.setTextSize(0.5);
  display.println(String(t) + "*C "+ String(h) + "%");
  display.println("HeatIn:" + String(hic) + "*C");

  DateTime now = rtc.now();

  String originalString = String(now.year(), DEC);
  String lastTwoChars = extractLastTwoChars(originalString);
  if (now.hour() < 10) {
    if (now.minute()<10){
      display.println("0" + String(now.hour()) + ((now.second() % 2 == 0) ? " " : ":") + "0"+String(now.minute())+" "+String(now.day(), DEC) + "." + String(now.month(), DEC) + "." + lastTwoChars);
    } else {
      display.println("0" + String(now.hour()) + ((now.second() % 2 == 0) ? " " : ":") + String(now.minute())+" "+String(now.day(), DEC) + "." + String(now.month(), DEC) + "." + lastTwoChars);
    }
    
  } else {
    if (now.minute()<10){
    display.println(String(now.hour()) + ((now.second() % 2 == 0) ? " " : ":") + "0" + String(now.minute())+" "+String(now.day(), DEC) + "." + String(now.month(), DEC) + "." + lastTwoChars);
    } else{
      display.println(String(now.hour()) + ((now.second() % 2 == 0) ? " " : ":") + String(now.minute())+" "+String(now.day(), DEC) + "." + String(now.month(), DEC) + "." + lastTwoChars);
    }
  }

   int durum1= digitalRead(buttonPin1);
   int durum2=digitalRead(buttonPin2);
   int durum3=digitalRead(buttonPin3);

if (durum1 == HIGH) {
    display.println("1. buton");
  }

  if (durum2 == HIGH) {
    Serial.println("2. buton");
  }

  if (durum3 == HIGH) {
    Serial.println("3. buton");
  }

  display.display();
  delay(1000);

}