Help with TMP36 (Temperature sensor)

when temperature is higher than 40 degrees, red led n buzzer should work, and the lcd should say ThermoCheck: Hot otherwise, lower than 40 degrees, green led is on and the lcd should say ThermoCheck: Normal problem: the lcd is not working #include <Wire.h> #include <LiquidCrystal_I2C.h> // LCD setup (address 0x27, 16 columns, 2 rows) LiquidCrystal_I2C lcd(0x27, 16, 2); // Pin definitions const int sensorPin = A0; const int greenLED = 2; const int redLED = 3; const int buzzer = 6; // Temperature variables float celsius = 0.0; const float baselineTemp = 40.0; // Threshold void setup() { // Initialize LCD lcd.init(); lcd.backlight(); // Initialize pins pinMode(greenLED, OUTPUT); pinMode(redLED, OUTPUT); pinMode(buzzer, OUTPUT); // Initialize Serial Monitor Serial.begin(9600); // Initial display lcd.setCursor(0, 0); lcd.print("ThermoCheck"); delay(1500); lcd.clear(); } void loop() { // Read TMP36 sensor int sensorValue = analogRead(sensorPin); float voltage = sensorValue * (5.0 / 1023.0); celsius = (voltage - 0.5) * 100.0; // Debugging output Serial.print("Temp: "); Serial.print(celsius, 1); Serial.println(" C"); // Display temperature lcd.setCursor(0, 0); lcd.print("Temp: "); lcd.print(celsius, 1); lcd.print((char)223); // Degree symbol lcd.print("C "); // Status check lcd.setCursor(0, 1); if (celsius < baselineTemp) { digitalWrite(greenLED, HIGH); digitalWrite(redLED, LOW); digitalWrite(buzzer, LOW); lcd.print("ThermoCheck: Normal"); } else { digitalWrite(greenLED, LOW); digitalWrite(redLED, HIGH); digitalWrite(buzzer, HIGH); lcd.print("ThermoCheck: HOT "); } delay(1000); // Update every second }