1、For Micro:bit IO Expansion Board: Expand the IO pins of for micro:bit for controlling more devices and sensors, greatly enhancing hardware expansion possibilities. 2、Neat and Organized Interface: Clear and organized use of all for micro:bit pins, eliminating struggles with messy wires and enabling simple LED or complex sensor control. 3、Embedded Passive Buzzer: Built in buzzer for sound control without external connections, adding interactivity to your for micro:bit projects. 4、Convenient Design for Education: Allows students to easily connect circuits, focusing on programming learning rather than spending time on hardware connections. 5、Versatile Compatibility: The for micro:bit IO expansion board is compatible with a wide range of control devices and sensors, making it a versatile tool for expanding and customizing projects with ease. Item Type: For Micro:bit IO Expansion Board Material: PCB Weight: Approx. 30g / 1.1oz Function: 1. Expand micro:bit IO pins for easier control of external sensor circuits. 2. Built in passive buzzer. 1 x For Micro:bit IO Expansion Board 1 x User Manual