Active Low Level Trigger Buzzer Alarm...
Active Low Level Trigger Buzzer Alarm Module
Arduino will be able to paly melodies, Sound ,Alarm
This is a small buzzer for the Sensor Shield.
It creates different sound based on the different frequency of I/O toggling.
Warning: Last items in stock!
Bring oscillation source
Set bolt hole,
easy to assemble
Pin Definition :
Vcc : 3.3-5v
GND : The Ground
I/O : I/O Interface of SCM
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