Specification:
Item Type: Buzzer Module
Working Voltage: 3.3V-5V
Module Interface Description:
GND : External GND
I/O: External microcontroller IO port
Features:
1Passive internal without oscillating source, need to use 2K-5K square-wave to drive it 2The sound frequency is controllable and can make a variety of different effects 3The module is driven by 9012 triode and has stable performance. 4The pin has good contact performance, ensure stable working 5Fixed bolt holes for easy installation
Package List:
15 x Buzzer Module