Active Buzzer Module

Description

The characteristics of the active buzzer is:

1.  Active buzzer inside with shock source, so as long as the electricity will call
2. Program control convenient, single chip microcomputer a high and low level can make the sound, and the passive buzzer is can’t do.

Module description

1. Module driven by S8550 triode
2. Working voltage of 3.3 V to 5 V
3. Board PCB size: 3.3 cm X 1.3 cm

 Module interface specification (3 wire system)

1.  VCC external 3.3 V to 5 V voltage (which can be directly connected to 5 V micro controller and 3.3 V micro controller)
2.  GND external GND
3.  I/O external micro-controller IO port