
1 piece passive Piezo Electronic Buzzer 3.3V 5V Tone Alarm module Arduino B22
Package Includes
1 Piece - Buzzer
- module driven by 9012 triode
- working voltage of 3.3 V to 5 V
- sets of fixed bolt hole, convenient installation
- small board PCB size: 3.3 cm * 1.3 cm
- module interface specification (3 wire system)
- VCC external 3.3 V to 5 V voltage (which can be directly connected to 5 V microcontroller and 3.3 V microcontroller)
- GND external GND
- I/O external microcontroller IO port