// =======================================================
// NTC MODULE - MAP CHUẨN 2 ĐIỂM
// =======================================================

#define NTC_PIN A0

#define ADC_20C 700
#define ADC_40C 400

void setup() {
  Serial.begin(9600);
}

void loop() {

  int adc = analogRead(NTC_PIN);
  Serial.println(adc);

  // map tuyến tính
  float tempC = map(adc, 953, 115, -24, 80);

  float tempF = tempC * 9.0 / 5.0 + 32.0;

  Serial.print("ADC: ");
  Serial.print(adc);

  Serial.print(" | Nhiet do: ");
  Serial.print(tempC);
  Serial.print(" C | ");
  Serial.print(tempF);
  Serial.println(" F");

  delay(500);
}