15Pcs Passive Buzzer Module - 3.3V-5V Low Level Trigger Electronic Sound Components with 9012 Triode Driver - Ideal for Arduino Projects and DIY Automation Kits

• Module Interface Description: VCC: External 3.3V-5V voltage (can be directly connected to 5v microcontroller and 3.3v microcontroller),GND : External GND,I/O: External microcontroller IO port.
• Drive: Passive internal without oscillating source, need to use 2K-5K square-wave to drive it.
• Sound Frequency: The sound frequency is controllable and can make a variety of different effects.
• Pin Performance: The pin has good contact performance, ensure stable working.
• Installation: Fixed holes for easy installation.

Feature: 1. Passive internal without oscillating source, need to use 2K-5K square-wave to drive it 2. The sound frequency is controllable and can make a variety of different effects 3. The module is driven by 9012 triode and has stable performance. 4. The pin has good contact performance, ensure stable working 5. Fixed holes for easy installation Specification: Item Type: Buzzer Module Working Voltage: 3.3V-5V Module Interface Description: VCC: External 3.3V-5V voltage (can be directly connected to 5v microcontroller and 3.3v microcontroller) GND : External GND I/O: External microcontroller IO port Package List: 15 x Buzzer Module