Passive Buzzer Module Pack (100 pcs) - What it is: A compact passive buzzer module set designed for audible alerts in control panels, alarms, and various devices. Pack contains 100 units for ready supply across projects. - Easy to drive: Low-level trigger input enables simple interface with microcontrollers and logic circuits. The buzzer activates when the control signal is low, simplifying wiring and control. - Reliable and stable: Passive buzzer design aims for stable operation with reduced risk of malfunctions, providing consistent audible alerts over time. - Small form factor: Compact size allows easy integration into a wide range of equipment, boards, and enclosures without adding significant bulk. - Applications and scenarios: - Alarm panels and access-control systems requiring clear audible warnings. - Home appliances and consumer electronics that need status notices or alerts. - DIY projects, robotics, and prototyping where simple, reliable audible signaling is needed. - Compatibility and performance: Works with external driving signals from host controllers; requires an appropriate oscillator/drive signal from the system to generate sound.