Módulo Buzzer Ativo

/*
 * ==================================================================
 *  Generated by Codey.online  —  https://www.codey.online
 * ==================================================================
 *  Project   : Active Buzzer Beep Demo
 *  Board     : Arduino UNO (arduino:avr:uno)
 *  Parts     : Active Buzzer Module
 *  Libraries : none (built-in)
 *
 *  Codey Online is an AI-powered browser IDE for Arduino and ESP32.
 *  Describe your project and Codey writes the code, draws the wiring
 *  diagram and uploads it to your board, straight from the browser.
 *  This code is free to use, modify and share, without warranty.
 * ==================================================================
 */

const int BUZZER_PIN = 8;

void setup() {
  pinMode(BUZZER_PIN, OUTPUT);
  Serial.begin(115200);
  Serial.println(F("Active Buzzer Demo Ready"));
}

void loop() {
  // Turn the buzzer on
  Serial.println(F("Buzzer ON"));
  digitalWrite(BUZZER_PIN, HIGH);
  delay(200);

  // Turn the buzzer off
  Serial.println(F("Buzzer OFF"));
  digitalWrite(BUZZER_PIN, LOW);
  delay(800);
}

/*
 * ==================================================================
 *  Generated by Codey.online  —  https://www.codey.online
 * ==================================================================
 *  Project   : Active Buzzer Beep Demo with ESP32
 *  Board     : ESP32 DEVKIT V1 (esp32:esp32:esp32doit-devkit-v1)
 *  Parts     : Active Buzzer Module
 *  Libraries : none (built-in)
 *
 *  Codey Online is an AI-powered browser IDE for Arduino and ESP32.
 *  Describe your project and Codey writes the code, draws the wiring
 *  diagram and uploads it to your board, straight from the browser.
 *  This code is free to use, modify and share, without warranty.
 * ==================================================================
 */

// Active Buzzer Demo for ESP32 DEVKIT V1
// Connect the buzzer signal pin to GPIO 4 (D4 on silkscreen)

const int BUZZER_PIN = 4;

void setup() {
  Serial.begin(115200);
  pinMode(BUZZER_PIN, OUTPUT);
  digitalWrite(BUZZER_PIN, LOW);
  Serial.println("Active Buzzer Demo Ready");
}

void loop() {
  // Turn the buzzer ON
  Serial.println("Buzzer ON");
  digitalWrite(BUZZER_PIN, HIGH);
  delay(200);

  // Turn the buzzer OFF
  Serial.println("Buzzer OFF");
  digitalWrite(BUZZER_PIN, LOW);
  delay(200);

  // Second beep
  Serial.println("Buzzer ON");
  digitalWrite(BUZZER_PIN, HIGH);
  delay(200);

  // Pause between beep sequences
  Serial.println("Buzzer OFF (Pause)");
  digitalWrite(BUZZER_PIN, LOW);
  delay(1000);
}