2pcs Active buzzer module Low level trigger Buzzer control board



Product introduction
1. The module adopts S8550 triode drive
2. Working voltage 3.3V-5V
3. With fixed bolt holes for easy installation
4. Small board PCB size: 3.2cm*1.3cm
5. When the l/0 port is input with low voltage, the buzzer sounds

Interface Description
1.VCC external 3.3v-5v voltage (can be directly connected to 5V microcontroller and 3.3V microcontroller)
2.GND external GND
3.l/0 external MCU l0 port

Shipping list:2pcs