# Wear:bit ## Introduction Wear:bit button panel Pro is a mini extension board in small size. It can give power to the micro:bit and is loaded with buzzer which can be used with our watch strap and the micro:bit. The breakthroughs are: Simplify the installation without using the acrylic back shroud. Maintain a simple style with 3-pin ports canceled. Upgrade the function by adding a switch for the buzzer. ## Characteristic 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 the micro:bit. ## Products Link [ELECFREAKS micro:bit Smart Coding Watch Kit](https://shop.elecfreaks.com/products/elecfreaks-micro-bit-smart-coding-watch-kit-without-micro-bit-board?_pos=2&_sid=ce4e7cb69&_ss=r) ## Outlook and Dimension ![](./images/wear_bit_00.jpg) ## Parameter Name: Wear:bit Version: V1.0 Working Voltage: 2.7~3.3V Buzzer: Support Size: 49.1x51.6mm Net Weight:12.7g ## Introduction to Main Modules ### Power Switch "I" to switch on, "O" to switch off. ![](./images/wear_bit_01.png) ### Two CR2025 Battery Holders It is powered by 2025 button cells(3V Li-Mn button cells) with a simple installation method. ![](./images/wear_bit_02.png) ### Buzzer and Switch The buzzer is controlled through P0 port that can play music. The switch powers the buzzer on or off. ![](./images/wear_bit_03.png) ## Quick to Start ### Hardware Connection Install two 3V 2025 button cells to the battery holder of the Wear:bit extension board. ![](./images/smart_coding_kit_01.png) Fix the micro:bit to the button cell extension board Pro with screws. ![](./images/smart_coding_kit_02.png) When switching on, the cells give power to the micro:bit and the Wear:bit, or the cells do not give power. ![](./images/wear_bit_06.png) If slide the buzzer switch to the left side, the buzzer begins working; while to the right side, the buzzer stops working. ![](./images/wear_bit_07.png) ### Software Programming Open Makecode, programme to make micro:bit show heart in a flash way. Link: [https://makecode.microbit.org/_MP28fbDmUMfz](https://makecode.microbit.org/_MP28fbDmUMfz) You can also download it below:
### Result A flash heart pattern is showing on the micro:bit. ## FAQ