Crowbits-Buzzer

What is the Crowbits-Buzzer?

The Crowbits-Buzzer is a digital output module, it makes a sound when receives the signal. Typical uses of buzzers include alarm devices, timers, etc. There are many things you can do with a buzzer, you can set a timer to wake you up at the specific time, you can detect motion and set an alarm to find out who sneaks into your room or maybe you could use a button to make a quiz game, the first person to press the button and buzz will be the winner!

How does it work?

The main part of the buzzer is an active electromagnetic buzzer, you can use the input signal to control how loudly it beeps or when it should beep.

1. When the buzzer receives a logic high-level signal, there will be current flows through the electromagnetic buzzer. For the special structure, when current goes through the electromagnetic buzzer, it will produce magnetism, then suck the vibration contact vibrates periodically and makes a sound.

Specification:

Operating Voltage: 3.3V DC

Oscillation Frequency: (2.7 ±0.3) KHz

Sound Pressure Level: ≥80dB

Dimensions: 31.5(L)*24.5(W)*13(H) mm

Wiki & External links

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