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(636 Ft + 27% ÁFA)
Active Alarm Buzzer Driver ModuleFeature:1, the module uses 9012 transistor drive2, operating voltage 3.3V-5V3, a fixed bolt holes for easy installation4, PCB board size: 2.8cm * 1.3cmModule interface specification (3-wire):1 + External 3.3V-5V voltage (can be directly connected to 5v and 3.3v MCU MCU)2 - External GND3 out external microcontroller IO port
