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Transcript
Mand Labs presents
Buzzer
About Buzzer
• Converts Electrical energy into Sound energy
• Longer leg is positive
• Shorter leg is negative
Piezoelectric Buzzer
• Why buzzer beeps: Piezoelectric disc vibrates. Vibration causes air column to compress. Compressions create a beep sound.
Schematic Symbol
Actual Symbol Symbol in booklet
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