Passive Buzzer Module

⚙️ Specifications

• Type: Passive buzzer (requires external signal to produce sound)

• Operating Voltage: 3.3V – 5V DC

• Pins: VCC (+), GND (–), Signal (S)

• Sound Output: Frequency depends on input signal (supports a range of tones)

• Module Size: Compact PCB with mounting hole

✅ Features

• Can generate different tones & melodies using PWM

• Compatible with Arduino, ESP8266/ESP32, Raspberry Pi, STM32, PIC, AVR, ARM

• Easy to use with 3-pin interface

• Lightweight, compact, and durable

• Ideal for DIY electronics, alarms, and sound indicators

🧰 Applications

• Security alarms & doorbells

• Timers & countdowns

• Notification alerts in projects

• Sound effects in robots & toys

• DIY Arduino and IoT projects