Buzzer - reefangel/Libraries GitHub Wiki

http://reefangel.com/images/Products_Buzzer.jpg

Description

Connect this buzzer to any available standard or boosted port.

Specification

• Continuous Tone
• Operating frequency: 2.7 ± 0.5 KHz
• Operating voltage range: 3 ~ 20 V DC
• Current consumption: 10 mA max. at 12 V DC
• Sound pressure level: 76 db min. at 30 cm/12 V DC