/**
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
*/
const float BETA = 3950; // should match the Beta Coefficient of the thermistor
float UIN = 5; // HLIVA factory
void setup() {
Serial.begin(9600);
}
void loop() {
int analogValue = analogRead(A0);
Serial.print("ADC reading: ");
Serial.println(analogValue);
//HLIVA factory
float a0 = analogRead(A0); //HLIVA factory
float rNTC= 10000 / (1023/a0 - 1);
Serial.print("NTC resistor (HLIVA) : ");
Serial.println(rNTC);
//IMRICH factory
//LENKA factory
float RNTC= (a0*10000)/(1023-a0);
Serial.print("NTC resistor (IMRICH & LENKA) : ");
Serial.println(rNTC);
float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
Serial.print("Temperature: ");
Serial.print(celsius);
Serial.println(" ℃");
delay(1000);
}