RedTagCanada Active Buzzer Alarm Module Beep Sensor 3-Pin 3.3V | Shop The World
From USA
NewGeneric
RedTagCanada Active Buzzer Alarm Module Beep Sensor 3-Pin 3.3V-5V for Arduino Smart Car// 9012 Transistor 3 Wires Active Buzzer Alarm Sensor Module DC 3.3V- 5V
ℹ
Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•INTERNAL OSCILLATING SOURCE: Active piezo electronic buzzer module with low level trigger and continous sound output. It will alarm as long as being energized.
•CONVENIENT PROGRAM CONTROL: Single chip microcomputer high and low level can make it sound, better than a passive buzzer. An active internal buzzer with shock source, so long as a power will be called 2 program easy to control, SCM can allow a high and low sounds, while passive buzzer cannot.
•EASY TO INSTALL: Designed with holes for fixing with boltso it is very convenient to install
•WORKING VOLTAGE: External connection of 3.3V-5V voltage, can be directly connected to 5V micro-controller and 3.3V micro-controller.