The KEYES KY-012 unit is an active buzzer designed for use with Arduino platforms and other DIY electronic projects. It can be used to produce sound alerts in various automation and electronic circuit applications.

It is compatible with applications such as:

• computers (PC),
• printers,
• car audio systems,
• DIY electronic projects.

Technical Specifications

• Brand: KEYES
• Model: KY-012
• Type: Active Buzzer Module
• Operating Voltage: 5V DC
• Color: Black + silver gray
• Package Dimensions: 77 × 42 × 13 mm
• Weight: 5 g

Applications

Suitable for:

• Arduino projects,
• sound notifications,
• alarm systems,
• educational electronic constructions,
• automation and IoT applications.