Scienticy Small Piezoelectric Buzzer 5V Active Buzzer (Pack of 3) Electronic Components Electronic Hobby Kit

Scienticy : A buzzer or beeper is an audio signaling device, which may be mechanical, electromechanical, or piezoelectric. Typical uses of buzzers and beepers include alarm devices, timers and confirmation of user input such as a mouse click or keystroke....Use of high-performance piezoelectric elements to meet loud sound volume and wide frequency range needs.....High quality achieved by integrated in-house production, from piezoceramic materials to buzzers.....Reliable, effective operation in a wide variety of equipment and ambient conditions....Piezo buzzer is a small tiny device that produces sound signals. It is used in projects for alarms, tone generations, etc. A buzzer can only make sound tones and can’t make a voice like speakers do. Using PWM Signals the tone of the buzzer can be varied. This buzzer is breadboard compatible and can be directly plugged into a breadboard.... different tone delay and combinations are used to notify a type of alarm signal. You might have heard this buzzer sounds in ATM Vending machines, Induction stoves, Washing Machines, Bike Stand alarms, etc. It is cheaper and has many uses.