3v 6v Low Frequency Buzzer Electric Round Wired Mechanical Surface
Mount Buzzer DC
Sound output at 10cm
Pins or wires type. Frequency is generally low. The mechanical
buzzer is a special electromagnetic buzzer,composed of oscillator,
the electromagnetic coil, the magnet and shell.Vibration piece is
installed on the shell.
Buzzer:an audio signalling device.Uses of buzzers include alarm
devices,timers, and confirmation of user input such as a mouse
What is the advantage and disadvantage of a buzzer?
Advantages:Electrically operated device that is good for drawing
attention to a condition that requires attention.
Disadvantages:1.Annoying sound to those that don't know its
2.Requires training to know what the buzzer means, and how to
repair the condition without just shutting off the buzzer.
3.Could trigger a fire in an explosive atmosphere.
What’s the difference between piezo and magnetic?
A piezo buzzer generates sound because of the piezoelectric effect
from the piezoelectric ceramic which drives the metallic diaphragm
A magnetic buzzer is based on the electromagnetic principle, the
metal diaphragm is pulled when input the power, and spring back