Buzzer Module (3.3V - 5V)

Features

• No oscillation source, require square wave (frequency 2K-5K) to drive
• Sound frequency control, you can make a "do re mi fa sol la si" effect
• Module adopts 9012 transistor drive
• Fixed bolt hole for easy installation

Descriptions

• Working Voltage: DC 3.3 – 5V
• Dimension: 3.3 x 1.3cm