Package includes:
1 piece x 9V - 12V Buzzer module with 5v Digital input pin
 
General Description:
It is an active buzzer board sold by https://www.dpvtechnology.com. Since it is an active buzzer module, so you need not to prove frequency to switch on the buzzer, only need to offer signal to level can sound. It will make a sound as soon as it gets a digital high signal in its IN terminal.
 
Features and specifications of buzzer modules:
Active buzzer module.
No frequency signal is needed.
Operating voltage: 5V to 12V. General-purpose 9V battery can directly be used to supply power.
Three terminals module: VCC, GND, IN
IN terminal can be directly connected to any microcontroller D/O pins
 
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