The 5V Passive Buzzer is a sound-emitting device that requires an external oscillator signal to produce tones. It’s used in alarms, sound indicators, and electronic projects for generating variable tones and alerts. Features Compact and low-power design Produces variable tones based on input frequency Long operational life and high sound pressure Easy 2-pin connection (VCC, GND) Compatible with microcontrollers and sound drivers Applications Tone generation and alarms Robotics sound feedback Game or system alerts Electronic learning projects