Arduino Buzzer
Arduino buzzer modules are like tiny speakers you can use with your Arduino projects. They make noise when you connect them to your Arduino board. These modules are handy because they let you add sound effects to your projects easily.
Led
LEDs (Light Emitting Diodes) are commonly used components in electronics projects. They emit light when an electric current passes through them. In this tutorial, we’ll learn how to control an LED with an Arduino board.