Bring Your Electronics Projects to Life with Custom Sound Whether you are building a smart home security system, a DIY weather station, or an interactive STEM toy, auditory feedback is crucial. The KY-006 Passive Buzzer Module is engineered to deliver clear, customizable audio outputs, transforming a silent circuit board into an interactive experience. Complete Tone Control (Passive vs. Active Buzzers) Not all buzzers are created equal. Active buzzers have internal oscillators that restrict them to a single, continuous beep. The KY-006 is a passive buzzer, meaning it relies on external Pulse-Width Modulation (PWM) signals from your microcontroller (like an Arduino or ESP32). This gives you the creative freedom to manipulate frequencies (between 1.5kHz and 2.5kHz) to play specific musical notes, complex melodies, or varying alarm sirens. Engineered for Versatility and Efficiency Operating on a wide voltage range of 1.5V to 15V, this module easily adapts to both low-power microcontroller logic and higher-voltage industrial setups. With a working current of
