In this article, we will differentiate between Active and Passive buzzers and also learn how to use active buzzers and passive buzzers with Arduino.

This Arduino based visitor alarm alerts you to the entry of a visitor by producing a beep sound every time the door is opened & automatically switches off after a few seconds. It is built around an ...

$6 Maker UNO Arduino UNO Clone Comes with Micro USB Power, I/O LEDs, and a Buzzer Arduino UNO is one of the older Arduino boards, but also one of the most popular, and there are already many clones, ...