Tag is Passive buzzer module
Electronic Modules Passive buzzer module, buzzer panel
Passive buzzer, need I / O port input oscillation frequency, the buzzer will sound.
module description
1.module using S8550 transistor drive
2 Operating voltage 3.3V-5V
3 with fixed bolt hole for easy installation
4 small plates PCB size: 3.2cm * 1.3cm
module interface sp...Read More
Passive buzzer module