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:2 pcs


What others are saying
There are no contributions yet.