# Smart Coding Kit: Wearable power supply extension kit for micro:bit

**Type:** Product page · **SKU:** EF08206 · **Brand:** [Elecfreaks](https://core-electronics.com.au/brands/elecfreaks-australia)
**Page:** https://core-electronics.com.au/smart-coding-kit-wearable-power-supply-extension-kit-for-micro-bit.html ([markdown](https://core-electronics.com.au/smart-coding-kit-wearable-power-supply-extension-kit-for-micro-bit.html.md))

## Retired product

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

## Restrictions

Restrictions apply to this equipment as it uses button/coin cell batteries:

- The equipment is intended to be used in trades, professions or industries
- The equipment is not intended for sale to the general public
- The equipment is not intended to be used where children are present
- You are aware that this equipment may not meet child safety testing requirements as it is not intended to be used by consumers or general public, but rather, is intended to be used in trades, professions or industries in conjunction with the limitations and restrictions listed above
- You are aware that these restrictions are due to a change in [A](https://www.accc.gov.au/media-release/businesses-on-notice-as-mandatory-button-battery-laws-commence)[ustralian legislation in 2022](https://www.accc.gov.au/media-release/businesses-on-notice-as-mandatory-button-battery-laws-commence) for button/coin cell batteries
 
![Button Battery Warning](https://core-electronics.com.au/attachments/uploads/iec-button-battery.png)

A declaration of use will need to be submitted during checkout.

## Description

Smart Coding Kit is a wearable device based on micro:bit button cell extension board Pro, a DIY micro:bit watch can be easily made with a simple installing method.

Easy Installation: Only need 4 simple steps, you can easily complete the installation.

Creativity: It fits for graphical [Makecode](https://makecode.microbit.org/) and Scratch programming. Kids can create many cases such as dice games, thermometers, compass, pedometers, play music, wireless control and so on...

Two Button Cells: Let the microbit run without usb cable and bulky battery holder.

**Features**

- Characteristic for wear:bit
- Powered by two 3V CR2025 lithium batteries.
- Loaded with a buzzer that is controlled through P0 port.
- Loaded with a buzzer switch.
- It can be used with the watch strap and
 
**Specifications**

- Name: Wear:bit
- Working Voltage: 2.7~3.3V
- Buzzer: Support
- Size: 49.1x51.6mm
- Net Weight:12.7g
- Only Support 2025 Button Cells !!!
 
*Please Note: Does not include [micro:bit](https://core-electronics.com.au/micro-bit-v2-australia.html) or [battery](https://core-electronics.com.au/coin-cell-battery-20mm-cr2025.html)*

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/e/f/ef08206-2.jpg)