#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <DHT.h>

#define DHTPIN 4     // DHT22 data pin connected to GPIO4
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2); // Change the address based on your setup

const int potPin = 34; // Potentiometer connected to GPIO34

void setup() {
  Serial.begin(115200);
  dht.begin();
  LiquidCrystal_I2C begin();
  lcd.backlight();

  pinMode(potPin, INPUT);
}

void loop() {
  float temp = dht.readTemperature();
  float hum = dht.readHumidity();
  int potValue = analogRead(potPin);

  // Convert potentiometer value to a range (example: threshold setting)
  int threshold = map(potValue, 0, 4095, 0, 100);

  if (isnan(temp) || isnan(hum)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Display values on LCD
  lcd.setCursor(0, 0);
  lcd.print("Temp: ");
  lcd.print(temp);
  lcd.print(" C");

  lcd.setCursor(0, 1);
  lcd.print("Hum: ");
  lcd.print(hum);
  lcd.print(" %");

  // Additional logic based on threshold and sensor values
  if (temp > threshold) {
    // Take some action
  }

  delay(2000); // Wait a few seconds between readings
}