const int ledPin = 13;      
const int tempPin = A0;     
const int buttonPin = 2;   
int thresholdTemp = 25;     
bool ledState = false;     

void setup() {
  pinMode(ledPin, OUTPUT);
  pinMode(buttonPin, INPUT_PULLUP);
  Serial.begin(9600);
}

void loop() {
  int tempReading = analogRead(tempPin);  
  float voltage = tempReading * (5.0 / 1023.0);  
  float temperature = voltage * 100;  

  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println(" C");

 
  if (temperature < thresholdTemp) {
    digitalWrite(ledPin, HIGH);  
    ledState = true;
  } else {
    digitalWrite(ledPin, LOW);   
    ledState = false;
  }


  if (digitalRead(buttonPin) == LOW) {
    delay(50);  // Дебаунс
    while (digitalRead(buttonPin) == LOW);  
    digitalWrite(ledPin, LOW); 
    ledState = false;
    Serial.println("Resetting LED");
  }

  delay(500);  
}