Catalog > Internet of Things (IOT) Related Products > More Platforms 5V 3Pin Interface Electronic Buzzer Breakout Board 5V 3Pin Buzzer Breakout Board Electronic Buzzer HKD ACTIVE ELECTRONIC BUZZER Electronic Buzzer Breakout Board 5V 3Pin Interface 9.92 ZAR inc for 1 Each 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications No oscillation source,need square wave(frequency 2K-5K ) to drive Audion 9012 drive; Work Voltage:3.3-5V Set bolt hole,easy to assemble PCB Dimension:3.3cm*1.3cm Pin definition Vcc 3.3~5V GND the Ground I/O I/O interface of SCM