#include <math.h>  // For the log() function 
 
const float BETA = 3950; // Beta coefficient of the thermistor (from datasheet) 
const int analogPin = 34; //ESP32 ADC pin (use GPIO 34 or other ADC-capable pins)
 
void setup() { 
  Serial.begin(115200);  // Start serial monitor at 115200 baud 

} 
 
void loop() { 
  // Read the analog value (0-4095 range for ESP32) 
  int analogValue = analogRead(analogPin); 
 
  // Temperature calculation (adjusted for ESP32 ADC range) 
  float celsius = 1 / (log(1 / (4095.0 / analogValue - 1)) / BETA 
+ 1.0 / 298.15) - 273.15; 
 
  // Output temperature to the serial monitor 
  Serial.print("Temperature: "); 
  Serial.print(celsius); 
  Serial.println(" ℃"); 
 
  delay(1000);  // Wait 1 second before reading again 
}