// Reference https://docs.wokwi.com/parts/wokwi-ntc-temperature-sensor

#define sensorPin A0
#define BETA 3950

int ledArray[] = {4,5,6,7,8,9,10,11,12,13};

void setup() {
    // initialize LEDs and sensor pin
    pinMode(sensorPin, INPUT_PULLUP);
    for (int i = 0;i<10;i++){
      pinMode(ledArray[i], OUTPUT);
    }
    Serial.begin(9600);
}

void loop() {
  // Read the sensor value , calculate the temperature, light up the leds
  int analogValue = analogRead(sensorPin);
  
  float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  //Serial.println(celsius);
  int temp_level1_10 = map(celsius,-24,80,0,10);
  
  for (int i = 0;i < 10;i++){
    if (i < temp_level1_10){
      digitalWrite(ledArray[i], HIGH);
    }
    else{
      digitalWrite(ledArray[i], LOW);
    }
  }

  delay(10); // this speeds up the simulation
}