Passive/Active Buzzer Module Low Level Trigger Buzzer Control Board Electronic Building BlocksItem NO.: Active Buzzer 2.8cm 1.3cm

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Passive/Active Buzzer Module Low Level Trigger Buzzer Control Board Electronic Building Blocks

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- Product Name: Passive/Active Buzzer Module Low Level Trigger Buzzer Control Board Electronic Building Blocks
- Item NO.: Active Buzzer 2.8cm 1.3cm
- Weight: 0.1 kg = 0.2205 lb = 3.5274 oz
- Category: Electronic Modules > Sensor Module
- Tag: Passive , Active Buzzer Module , Passive Buzzer Module , Active , Buzzer Control Board
- Creation Time: 2024-04-15
Passive/Active Buzzer Module

Nowadays, many people are not very clear about the concepts of active and passive buzzers. Here is a brief introduction, hoping to be helpful for future use.

Note that the 'source' here does not refer to the power supply. It refers to the source of oscillation.

Module Description:

1. The module is driven by a 9012 transistor

2. Working voltage 3.3V-5V

3. Equipped with fixed bolt holes for easy installation

4. Small PCB size: 3.3cm * 1.3cm

Module Interface Description (3-Wire System):

1. VCC external 3.3V-5V voltage (can be directly connected to 5V microcontroller and 3.3V microcontroller)

2. GND external GND

3. I/O external microcontroller IO port

The Characteristics Of A Passive Buzzer Are:

1. The passive internal does not come with a vibration source, so using a DC signal cannot make it beep. It must be driven by a 2K-5K square wave

2. The frequency of the sound is controllable and can create the effect of "Dorami Fa Sorasi".

3. In some special cases, a control port can be reused with an LED

The Characteristics Of An Active Buzzer Are:

1. The active buzzer has an internal vibration source, so it will beep as soon as it is powered on

2. The program control is convenient, and the microcontroller can emit sound with just one high or low level, while the passive buzzer cannot.

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One passive/active buzzer module (test passed)

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Passive/Active Buzzer Module Low Level Trigger Buzzer Control Board Electronic Building BlocksItem NO.: Active Buzzer 2.8cm 1.3cm

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