OD Gate and XOR Gate Test Verification

#include <LiquidCrystal.h>

// Initialize the LCD library, setting the Arduino pins connected to the LCD
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

// Define the pin connections for the buttons
const int sw1 = 8; // The first button is connected to D2
const int sw2 = 9; // The second button is connected to D3

// Define the pin connection for the LED
const int ledPin = 0; // The LED is connected to D13

// Define the pin connection for the AND gate/open-drain output
const int andODOutputPin = 7; // Assuming the AND gate/open-drain output is connected to D7

void setup() {
  pinMode(sw1, INPUT_PULLUP);
  pinMode(sw2, INPUT_PULLUP);
  pinMode(ledPin, OUTPUT);
  pinMode(andODOutputPin, INPUT); // Set as input mode
  lcd.begin(16, 2); // Initialize the LCD for 16 columns and 2 rows
  lcd.clear(); // Clear the screen
}

void loop() {
  int input1 = digitalRead(sw1);
  int input2 = digitalRead(sw2);
  int andODResult = digitalRead(andODOutputPin); // Read the output of the AND gate/open-drain
  int xorResult = input1 ^ input2; // Calculate the XOR result
  digitalWrite(ledPin, xorResult); // Control the LED

  // Display the results
  lcd.clear(); // Clear the screen at the start of each loop
  lcd.print("SW1: ");
  lcd.print(input1);
  lcd.print(" SW2: ");
  lcd.print(input2);
  lcd.setCursor(0, 1); // Set the cursor position to the second line
  lcd.print("OD: ");
  lcd.print(andODResult);
  lcd.print(" XOR: ");
  lcd.print(xorResult);

  delay(500); // Wait for 500ms before measuring again
}