5pcs Active Buzzer Module Reliable Sounding Alarm For Electronic Toys
Feature: \n 1. This active buzzer has internal oscillation source, so it will alarm as long as being energized.\n2. Convenient program control, single chip microcomputer high and low level can make it sound, better than a passive buzzer.\n3. Module is driven with 9012 transistor.\n4. Designed with holes for fixing with , convenient to install.\n5. External connection of 3.3V-5V voltage, can be directly connected to 5V micro-controller and 3.3V micro-controller. \n\nSpecification: \n\nFeatures: \n\n--\n\nThis active buzzer has internal oscillation source, so it will alarm as long as being energized. \n\n--\n\nConvenient program control, single chip microcomputer high and low level can make it sound, better than a passive buzzer. \n\n--\n\nModule is driven with 9012 transistor. \n\n--\n\nDesigned with holes for fixing with , convenient to install. \n\n--\n\nExternal connection of 3.3V-5V voltage, can be directly connected to 5V micro-controller and 3.3V micro-controller. \n\n--\n\nExte:
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