10Pcs 3.3-5V Passive Buzzer Alarm Module
Descriptions Work Voltage 3 3 5VWith fixed bolt hole for easy installationPCB Dimension 3 3 x 1 3cmDuPont line length 21cmModule adopts 9012 transistor driveFeature No oscillation source need square wave frequency 2K 5K to drive Sound frequency control you can make a do re mi fa sol la si effect Pin Definitions VCC 3 3V 5VGND The GroundI O I O Interface ofPackage included 10 x Passive Buzzer Module10 x 3pin DuPont line
£8.39
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