#include <LiquidCrystal.h>

LiquidCrystal lcd(18, 17, 16, 15, 19, 23);  // Set the pins used for the LCD

const int voltagePin = 4; // Analog pin connected to the voltage divider output

void setup() {
  // Initialize the LCD with 16 columns and 2 rows
  lcd.begin(16, 2); 
  // Set the voltagePin as an input (for reading the analog voltage)
  pinMode(voltagePin, INPUT); 
  Serial.begin(115200);
}

void loop() {
  // Read the analog voltage from the voltage divider
  int sensorValue = analogRead(voltagePin);
  Serial.print("Sensor Value: ");
  Serial.println(sensorValue);

  // Convert the analog value to voltage (0-50V range)
  float voltage = (sensorValue / 1023.0) * 50.0;
  Serial.print("Voltage: ");
  Serial.print(voltage, 1);
  Serial.println(" V");


  // Display the voltage on the LCD
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Voltage: ");
  lcd.print(voltage, 1);
  lcd.print(" V");
  delay(1000);
}