#include < Wire.h > // I2C library for the display
#include < Adafruit_SSD1306.h > // OLED display library
#include < driver / i2s.h > // I2S library for audio input/output (if using I2S mic)
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
#define OLED_RESET - 1 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, & Wire, OLED_RESET);
// Define pins
#define BUTTON1_PIN 0
#define BUTTON2_PIN 1
#define MIC_PIN 32
#define SPEAKER_PIN 22
void setup() {
// Initialize Serial
Serial.begin(115200);
// Initialize the display
if (!display.begin(SSD1306_I2C_ADDRESS, OLED_RESET)) {