The KY-006 Passive Buzzer Module is a small, lightweight sound module ideal for generating musical tones or beeps in embedded systems. Unlike active buzzers, passive buzzers do not have a built-in oscillation source, so they must be driven using a PWM signal (typically 2kHz–5kHz) from a microcontroller to produce sound.
This module is perfect for DIY electronics, Arduino projects, alarms, and musical tone generation. You can control the tone frequency to produce different notes (do, re, mi, fa, sol, la, si). It includes mounting holes for easy installation in your project cases or enclosures.
Features:
Type: Passive Buzzer
Control Method: Requires PWM signal (2kHz–5kHz recommended)
Sound: Frequency-controllable (supports musical tones)
Operating Voltage: 3.3V DC
Interface:
1. VCC – Connect to 3.3V power supply
2. GND – Ground
3. I/O – Connect to digital I/O or PWM pin of microcontroller
Mounting: Bolt holes for easy installation
Use Case: Ideal for Arduino, Raspberry Pi, sound alerts, and tone generation
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