Description This is a simple yet enjoyable twig to use. The piezo can be connected to digital outputs, and will emit a tone when the output is high. Alternatively it can be connected to an analog pulse-width modulation output to generate various tones and effects. - Easy control - Easy Plug-in - 3.3 / 5 V Working Voltage For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before your using of the product. https://elecena.pl/product/9696388/107020000-arduino-grove-buzzer 2017-08-05 https://elecena.pl/product/9696388/107020000-arduino-grove-buzzer 2021-05-10 https://elecena.pl/product/9696388/107020000-arduino-grove-buzzer 2021-10-20 https://elecena.pl/product/9696388/107020000-arduino-grove-buzzer 2026-03-03