#include <math.h>
#include <LiquidCrystal.h>
#include <string.h>
#define TERMIST_B 4300
#define VIN 5.0
#define TIME 50
int currentTime = 0;
int pastTime1 = 0;
int pastTime2 = 0;
int cursorPlace1 = 13;
LiquidCrystal lcd(13, 12, 11, 10, 9, 8);
void setup()
{
lcd.begin(16, 2);
lcd.setCursor(0, 0);
Serial.begin(9600);
}
void loop()
{
float voltage = analogRead(A0) * VIN / 1023.0;
float r1 = voltage / (VIN - voltage);
float temperature;
temperature = 1./( 1./(TERMIST_B)*log(r1)+1./(25. + 273.) ) - 273;
lcd.setCursor(1, 1);
lcd.print(temperature, 3);
lcd.print("C");
char string[50] = "Temperature: ";
int razmer = strlen(string);
currentTime = millis();
if ((currentTime - pastTime1) >= TIME)
{
cursorPlace1 = razmer - (razmer - cursorPlace1 + 1) % razmer;
pastTime1 = currentTime;
lcd.setCursor(0, 0);
lcd.print(" ");
}
lcd.setCursor(cursorPlace1, 0);
lcd.print(string);
}
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