Catalog > Internet of Things (IOT) Related Products > More Platforms Electronic Buzzer Breakout Board Electronic Buzzer Breakout Board BMT ACTIVE ELECTRONIC BUZZER Electronic Buzzer Breakout Board 5V 3Pin Interface Call for Price 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 x 1.3cm Pin definition Vcc 3.3~5V GND the Ground I/O I/O interface of SCM