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KY-012 Active Buzzer Module
Overview:
The KY-012 Active Buzzer Module is an electronic component that generates sound by simply applying voltage. It consists of a piezoelectric buzzer with an internal oscillator, so no external frequency generation or Pulse Width Modulation (PWM) is needed. This module is ideal for providing audio feedback or alarms in various projects and is commonly used with Arduino, Raspberry Pi, and ESP32 platforms.

              KY-012 Active Buzzer Module

              $999.00Price

              • Key Features:

                • Self-Oscillating Buzzer: Generates a continuous sound at 2.5kHz without needing external signals.

                 

                • High Sound Output: Produces a minimum sound level of 85dB, making it suitable for alarms and alerts.

                 

                • Easy Control: Only requires a digital HIGH signal to activate the buzzer.

                 

                • Low Power Consumption: Operates efficiently between 3.3V and 5V with a maximum current draw of 30mA.

                 

                • Compact Design: Lightweight and easy to integrate into small projects.

                 

                 

                Specifications:

                • Operating Voltage: 3.3V to 5V

                 

                • Current Consumption: 30mA (max)

                 

                • Tone Frequency: 2.5kHz ± 300Hz

                 

                • Sound Output: Minimum 85dB

                 

                • Operating Temperature: -20°C to +70°C

                 

                • Storage Temperature: -30°C to +105°C

                 

                • Dimensions: 19mm x 15.5mm x 11mm

                 

                • Pinout:
                  • S: Signal (input, connected to the control pin)
                  • VCC: Power supply
                  • GND: Ground

                 

                 

                Applications:

                • Alarms and Warning Systems: Ideal for creating loud alarms or alerts in security and emergency systems.

                 

                • Audio Feedback: Commonly used for feedback in buttons or sensors in various electronics projects.

                 

                • Home Automation: Used in smart devices to signal events, like doorbell chimes or notifications.

                 

                • Timers and Reminders: Can be used in kitchen timers, industrial equipment, or other time-based notification systems.

                 

                 

                The KY-012 Active Buzzer Module is a reliable and easy-to-use component, offering high sound output with minimal power requirements, making it perfect for numerous audio-alert projects.

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