#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd (0x27,20,4);
void setup() {
lcd.init();
lcd.backlight();
lcd.setCursor(1,0);
lcd.print("PROGRAM ADC");
delay(1000);
lcd.clear();
}
void analog_read()
{
float dataADC = analogRead (A3);
float volt = dataADC*5/1023;
lcd.setCursor(0,0);
lcd.print("ADC= ");
lcd.print(dataADC);
lcd.setCursor(0,1);
lcd.print("V= ");
lcd.print(volt);
}
void loop() {
analog_read();
}