/**
  Basic NTC Thermistor demo
  https://wokwi.com/arduino/projects/299330254810382858

  Assumes a 10K@25℃ NTC thermistor connected in series with a 10K resistor.

  Copyright (C) 2021, Uri Shaked
*/

#define NTC 0

const float BETA = 3950; // should match the Beta Coefficient of the thermistor

void setup() {
  Serial.begin(9600);
  Serial.println("Hello, ESP32-C6!");

  pinMode(NTC, INPUT);
}

void loop() {
  int analogValue = analogRead(NTC);
  Serial.println(analogValue);

  float celsius = 1 / (log(1 / (4096. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  Serial.print("Temperature: ");
  Serial.print(celsius);
  Serial.println(" ℃");

  delay(1000);
}


// // Constants for the NTC thermistor
// const int thermistorPin = 0; // Pin connected to the NTC thermistor
// const int seriesResistor = 10000; // Series resistor value in ohms (10kΩ)
// const float nominalResistance = 10000; // Resistance of the thermistor at 25 degrees Celsius
// const float nominalTemperature = 25; // Nominal temperature in Celsius
// const float bCoefficient = 3950; // Beta coefficient of the thermistor

// void setup() {
//     Serial.begin(115200);
//     pinMode(thermistorPin, INPUT);
// }

// void loop() {
//     // Read the analog value (0-1023 for 10-bit ADC)
//     int analogValue = analogRead(thermistorPin);

//     Serial.println(analogValue);
    
//     // Convert the analog value to resistance
//     float resistance = seriesResistor / ((1023.0 / analogValue) - 1);
    
//     // Calculate temperature in Celsius using the Steinhart-Hart equation
//     float temperature = 1 / (log(1 / (4096. / analogValue - 1)) / bCoefficient + 1.0 / 298.15) - 273.15;

//     // Print the temperature to the Serial Monitor
//     Serial.print("Temperature: ");
//     Serial.print(temperature);
//     Serial.println(" °C");
    
//     delay(1000); // Read every second
// }