This is a 3-5V passive buzzer. You can change the PMW frequency to create different beep sounds and create "buzzer music". Also, the buzzer can be set as an alarm for security applications. So get one and start your own project!
- Passive: Tunable passive buzzer
- Interface: Grove
- Voltage Range: 3V-5V
- Resonant Frequency: 2700Hz
- Sound Output: >=80dB
- Dimensions: 20 x 20 x 10mm
- Weight: 3g
- Seeed Product Wiki
- MLT_8530_DATASHEET
- Hardware schematic