KY-012 Active Piezo Buzzer Alarm Sensor Module Pack of 16 Compatible for Arduino Raspberry DIY PC Printer

KY-012 active piezo buzzer alarm sensor module: the KY-012 buzzer module produces a clear beep after applying a suitable voltage and is suitable for simple warning signals, status messages and electronics projects. Easy to use: The module can be used in many simple circuits as an acoustic signal transmitter. It is especially suitable for beginners, makers, students and electronics hobbyists. For microcontroller projects: suitable for Arduino, Raspberry Pi, ESP32 and more microcontroller applications. Ideal for DIY electronics, learning projects, prototypes and IoT experiments. CONVENIENT 16 SET You will receive 16 KY-012 buzzer modules, ideal for multiple DIY projects, replacement supplies, teaching, workshop or small test setups. Note: This is an electronic module, not a standalone smart home device. Additional control hardware and programming are required for use with voice assistants or apps.