# micro:IO Extender- a micro:bit IO Expansion Board

**Type:** Product page · **SKU:** MBT0008 · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/micro-io-extender-a-micro-bit-io-expansion-board.html ([markdown](https://core-electronics.com.au/micro-io-extender-a-micro-bit-io-expansion-board.html.md))

## Retired product

This product is retired and no longer available for purchase. Search the catalogue for an alternative.

## Description

####  Introduction 

 A simple IO extension board for micro:bit. This board leads out all IO ports of micro:bit that are in accordance with Gravity standard interface. Meanwhile, it has independent I2C and Serial port. The board also integrates the frequently-used buzzer and edge connector contacts.
 The silkscreens on the back clearly indicate the functions of all interfaces, which can help users to get started easily. ####  Features 

- Gravity 3-Pin interface, plug and play, support DFRobot Gravity series
- Lead out all micro:bit pins in the form of 3P pin header, 19 pins in total.
- Independent I2C and 1-way serial port.
- Onboard buzzer and buzzer switch
- Onboard edge connector contacts
- Clear silkscreen, ENIG technology and high quality
 
 
####  Specification 

- Operating Voltage: 3.3V
- Dimension: 45.5\*66.5mm/1.79\*2.62”
- Interface: IO port ×19
 
####  Documents 

9. [Product wiki](https://wiki.dfrobot.com/IO_Extender_for_micro%3Abit%20(V1.0)_SKU%3A_MBT0008)
####  Shipping List 

- IO Extender for micro:bit (V1.0) x1

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/1/0/1039709920.jpg)