Active piezo buzzer module for various developer boards If the board is supplied with voltage, the active buzzer generates a sound. The module can be firmly soldered or used on a breadboard. https://elecena.pl/product/18035639/com-ky012apb-developer-boards-active-piezo-buzzer-module 2021-04-29 https://elecena.pl/product/18035639/com-ky012apb-developer-boards-active-piezo-buzzer-module 2024-07-01