#include <LiquidCrystal.h>
const int Vin= A0;
LiquidCrystal lcd(12, 11, 10, 9, 8, 7);
void setup() {
Serial.begin(115200);
lcd.begin(16, 2);
}
void loop() {
float volt=analogRead(Vin)*5/153;
lcd.print(" ");
lcd.print(volt);
delay(200);
lcd.clear();
}