# Octopus Active Buzzer Brick OBAB02(EF04030)

## Introduction

Octopus Active Buzzer Brick is based on an active buzzer with a constant volume but can not be controlled  by PWM. 

 ![](./images/Gs5XBx1.jpg)



## Characteristics

 The 3-pins ports is easy to plug and play.

## Specifications


Item | Parameter 
:-: | :-: 
SKU|EF04030
Power Supply|3V-5V
 Connector Type  |Analog
 Pins Definition |S-Sigal V-VCC G-GND
Detection Scope|Large
Response|Quick
Sensitivity|High
Circuit|Simple
Service Life|Long(Stable and durable)
Size|19x27mm


## Outlook and Dimensions

![](./images/GV8xv7y.jpg)

## Quick to Start

### Materials used and connection diagram

 Connect to the P1 port as the picture shows

  Take sensor:bit for example

![](./images/r3NAMg8.png)

### Add Package

### Program as the picture shows
![](./images/CjlZhvP.png)

### Reference
Links: [https://makecode.microbit.org/_3KMCFREjmbYx](https://makecode.microbit.org/_3KMCFREjmbYx)


You can also download the links below:

<div style="position:relative;height:0;padding-bottom:70%;overflow:hidden;"><iframe style="position:absolute;top:0;left:0;width:100%;height:100%;" src="https://makecode.microbit.org/#pub:_3KMCFREjmbYx" frameborder="0" sandbox="allow-popups allow-forms allow-scripts allow-same-origin"></iframe></div>  


### Result
 The buzzer gives off a continuous beeping sound.

## Relevant Cases


## Technique Files