Active Alarm Buzzer Driver Module
AA117
Feature:
1, the module uses 9012 transistor drive
2, operating voltage 3.3V-5V
3, a fixed bolt holes for easy installation
4, PCB board size: 2.8cm * 1.3cm
Module interface specification (3-wire):
1 + External 3.3V-5V voltage (can be directly connected to 5v and 3.3v MCU MCU)
2 - External GND
3 out external microcontroller IO port
Package include:
1PCS Active Alarm Buzzer Module
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