16*2_lcd.txt

#include <LiquidCrystal.h>
const int sensorPin = 0;
const int rs=11, en=10;          		  
const int d4=6 , d5=5, d6=4, d7=3;
int val=0;
LiquidCrystal lcd(rs,en, d4, d5, d6,d7);
float volt,tempC,tempF;
void setup()
{
 lcd.begin(16,2);
 lcd.setCursor(0,0);
  lcd.print("Temp & Voltage");
  lcd.setCursor(0,1);
  lcd.print("Meter");
  delay(2500);
  lcd.clear();
  lcd.setCursor(0,0);
  Serial.begin(9600);
}
 
void loop()
{
   val = analogRead(sensorPin);
   volt = (val) *( 5.0/1024);
   tempC = (volt - 0.5) * 100 ;
   tempF = (tempC * 9.0 / 5.0) + 32.0;

  lcd.setCursor(0,0);
  lcd.print("Temp in C : ");
  lcd.setCursor(0,1);
  lcd.print(tempC);
  delay(2500);
  lcd.clear();
 
  lcd.setCursor(0,0);
  lcd.print("Temp in F : ");
  lcd.setCursor(0,1);
  lcd.print(tempF);
  delay(2500);
  lcd.clear();
 
  lcd.setCursor(0,0);
  lcd.print("Voltage : ");
  lcd.setCursor(0,1);
  lcd.print(volt);
  delay(2500);
  lcd.clear();
  
  delay(100);   
 
  Serial.print(tempC);
  Serial.println(" degrees C");
  Serial.print(tempF);
  Serial.println(" degrees F");
  Serial.print(volt);
  Serial.println(" volts");
}