C:\Users\<strong>USERNAME</strong>\Documents\Arduino\libraries

#define SENSOR_PIN              1 /* NTC_ADC */
#define REFERENCE_RESISTANCE    20000 /* R_UP */
#define NOMINAL_RESISTANCE      10000 /* R_NTC */
#define NOMINAL_TEMPERATURE     25
#define B_VALUE                 3380
#define ESP32_ANALOG_RESOLUTION 4095
#define ESP32_ADC_VREF_MV       3300

/*
  NTC Thermistor for ESP32 higher accuracy results
 
  Reads a temperature from the NTC 3950 thermistor and displays
  it in the default Serial.
 
  ESP32 devices are 12-bit ADC devices so the defuault is 4095 here.
 
  https://github.com/bobwolff68/NTC_Thermistor
 
  Created by Bob Wolff from Yuri's original - 2024
  Released into the public domain.
*/
#include <Thermistor.h>
#include <NTC_Thermistor.h>
 
#define SENSOR_PIN              1 /* NTC_ADC */
#define REFERENCE_RESISTANCE    20000 /* R_UP */
#define NOMINAL_RESISTANCE      10000 /*R_NTC */
#define NOMINAL_TEMPERATURE     25
#define B_VALUE                 3380
#define ESP32_ANALOG_RESOLUTION 4095
#define ESP32_ADC_VREF_MV       3300
 
Thermistor* thermistor;
 
// the setup function runs once when you press reset or power the board
void setup() {
  Serial.begin(115200);
 
  thermistor = new NTC_Thermistor_ESP32(
    SENSOR_PIN,
    REFERENCE_RESISTANCE,
    NOMINAL_RESISTANCE,
    NOMINAL_TEMPERATURE,
    B_VALUE,
    ESP32_ADC_VREF_MV,
    ESP32_ANALOG_RESOLUTION
  );
 
}
 
// the loop function runs over and over again forever
void loop() {
  // Reads temperature
  const double celsius = thermistor->readCelsius();
  const double kelvin = thermistor->readKelvin();
  const double fahrenheit = thermistor->readFahrenheit();
 
  // Output of information
  Serial.print("Temperature: ");
  Serial.print(celsius);
  Serial.print(" &deg;C, ");
  Serial.print(kelvin);
  Serial.print(" K, ");
  Serial.print(fahrenheit);
  Serial.println(" F");
 
  delay(500); // optionally, only to delay the output of information in the example.
}