textView = findViewById(R.id.textView); readButton = findViewById(R.id.readButton); writeButton = findViewById(R.id.writeButton);

readButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // Read data from PS2 memory card String data = readDataFromMemoryCard(); textView.setText(data); } });

void setup() { // Initialize serial communication with PS2 memory card Serial.begin(9600, usbTxPin, usbRxPin); }

import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView;

private TextView textView; private Button readButton; private Button writeButton;

writeButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // Write data to PS2 memory card String data = textView.getText().toString(); writeDataToMemoryCard(data); } }); }

#include <Arduino.h>