#include <LiquidCrystal.h>

//(rs, enable, d4, d5, d6, d7)
LiquidCrystal lcd(12, 11, 10, 9, 8, 7);


int adcValues[] = { 200, 400, 500, 880, 710}; 
float Vref = 1.1;
int maxADC = 1023; 


float slope = (1.20525 - 0.174) / (125 - (-40)); // الميل
float offset = 0.174; // الإزاحة 

void setup() {
  lcd.begin(16, 2);  
}

void loop() {
  for (int i = 0; i < 5; i++) {
    int adc = adcValues[i]; 
    
    float voltage = (adc * Vref / maxADC) * 1000;//mv  
    
    float temperature = (voltage / 1000 - offset) / slope;  
    
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("ADC=");
    lcd.print(adc);
    lcd.print(" ");
    lcd.print(round(voltage)); 
    lcd.print("mV");

    lcd.setCursor(0, 1);
    lcd.print("Temp=");
    lcd.print(round(temperature)); 
    lcd.print((char)223);
    lcd.print("C");
    
    delay(2000); 
  }
}