---
product_id: 381368993
title: "microbit Sensor:bit 3v Expansion Board Mini Micro:bit Breakout Board with 16 GVS Interface Integrated Buzzer and Audio Jack Adapter Shield IO IIC Ports Compatible with Lego Jack"
brand: "ef elecfreaks"
price: "€ 32.31"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/381368993-microbit-sensor-bit-3v-expansion-board-mini-micro-bit-breakout
store_origin: ES
region: Spain
---

# Integrated buzzer Compact 57mm x 42mm 16 GVS ports microbit Sensor:bit 3v Expansion Board Mini Micro:bit Breakout Board with 16 GVS Interface Integrated Buzzer and Audio Jack Adapter Shield IO IIC Ports Compatible with Lego Jack

**Brand:** ef elecfreaks
**Price:** € 32.31
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Projects with Sensor:bit!

## Quick Answers

- **What is this?** microbit Sensor:bit 3v Expansion Board Mini Micro:bit Breakout Board with 16 GVS Interface Integrated Buzzer and Audio Jack Adapter Shield IO IIC Ports Compatible with Lego Jack by ef elecfreaks
- **How much does it cost?** € 32.31 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/381368993-microbit-sensor-bit-3v-expansion-board-mini-micro-bit-breakout)

## Best For

- ef elecfreaks enthusiasts

## Why This Product

- Trusted ef elecfreaks brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **📡 IIC Interface Ready:** Plug in IIC components like OLED displays for advanced projects.
- • **🔗 Expand Your Creativity:** Unlock endless possibilities with 16 GVS ports for various 3V electric modules.
- • **🧩 Lego-Compatible Design:** Easily integrate with Lego for fun and educational projects.
- • **🌟 Space-Saving Innovation:** Mini size design ensures flexibility without sacrificing functionality.
- • **🎧 Seamless Audio Experience:** Enjoy music through the integrated buzzer or your headphones with automatic switching.

## Overview

The EF ELECFREAKS Sensor:bit is a versatile micro:bit expansion board featuring 16 GVS ports, an integrated buzzer, and an audio jack. Its compact design allows for easy integration with Lego and supports IIC components, making it an essential tool for creative projects.

## Description

EF ELECFREAKS microbit Sensor:bit 3v Expansion Board Mini Micro:bit Breakout Board with 16 GVS Interface Integrated Buzzer and Audio Jack Adapter Shield IO IIC Ports Compatible with Lego Jack

## Features

- Sensor:bit is a breakout board based on micro:bit. It has extended all available IO ports on micro:bit, and lead out them in the form of GVS. We can extend various 3V electric brick modules like LED light, photocell, etc.. it has integrated a buzzer and an audio jack, which allows us to hear music from the buzzer or with our headphone.
- Audio Jack: Headphone is controlled by P0 port. Plug in your headphone, the buzzer will disconnect automatically, we can enjoy music with our headphone.
- Widely Used Extension Board: This is a standard GVS interface with 16 channels. It can extend 3V electric brick module.
- IIC Port: Independently lead out IIC interface. Enable to plug in IIC components like OLED, BME280, etc..
- Mini Size: 57mm*42mm. It does not take up space and is more flexible.It is compatible with lego jack.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Compatible Devices | micro:bit, Lego |
| Processor Count | 1 |
| Connectivity Technology | I2C |
| Processor Series | MediaTek MT8125 |
| Item Dimensions L x W x H | 5.7L x 5.7W x 4.2H centimeters |

## Product Details

- **Brand:** EF ELECFREAKS
- **Model name:** Sensor:bit
- **CPU model:** MediaTek MT8125
- **Connectivity technology:** I2C
- **Included components:** sensor:bit

## Images

![microbit Sensor:bit 3v Expansion Board Mini Micro:bit Breakout Board with 16 GVS Interface Integrated Buzzer and Audio Jack Adapter Shield IO IIC Ports Compatible with Lego Jack - Image 1](https://m.media-amazon.com/images/I/71gSnI4MwnS.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.es/products/381368993-microbit-sensor-bit-3v-expansion-board-mini-micro-bit-breakout](https://www.desertcart.es/products/381368993-microbit-sensor-bit-3v-expansion-board-mini-micro-bit-breakout)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-22*