The active buzzer module, trigger low, buzzer control panel

Product Description

The active buzzer module; trigger low; buzzer control panel For Arduino  

Note, the ” source ” is not a power. But that shock source.

Passive buzzer is characteristic:

1 passive internal without oscillating source, so if the DC signal not to tweet. Must use 2K~5K Fang Bo to drive it

2 voice frequency controllable, can make a ” wise guy hair rope lacidipine effect”.

3 in some cases, and LED can multiplex a control orifice

The feature is active buzzer:

1 active buzzer with vibration source, so long as a power will be called

2 procedures convenient control, a single level can make it sound, while the passive buzzer can not do it.

Module description

The 1 module uses a 9012 transistor drive

2 3.3V-5V working voltage

6 is provided with a fixed bolt hole, convenient installation

7 small PCB size: 3.3cm * 1.3cm

The two module interface description ( 3 line )

1 VCC external 3.3V-5V voltage ( can be directly related to 5V single chip and 3.3V chip. )

2 GND external GND

3 I/O external singlechip IO mouth

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