Features: Enhances your Microbits projects with this expansion board, design to support wide ranges of external module and sensors, providing reliable 5V power output for highly power devices. Featuring multiple IO interfaces and integrated LED indicators, this adapter plate ensures easy plugs and play installation and real time power status monitoring. Ideal for educators, electronics enthusiasts, engineers, and beginner, it offer user friendly platform for learning programming and developing hands on skills. Perfect for classroom teaching, home maker space, and robotics development, this board serves as cores control unit, connecting sensors and actuators seamlessly. Crafted from durabolity PCB materials, its excellent heat dissipation design ensures long last performances, making it for innovative research and DIY projects. Specifications: Component:PCB Size:Approx.39x57x15mm/1.53x2.24x0.59inch Power Supply Method:USB Power Supply, Dc6-12v Head Power Supply Power Function:Power Indicators Light Voltages Regulator Circuit Function:Capable of Carrying Loads of 3.3v/5v Audios Function: Passive Buzzers Separate 4pin I2c 5v Pin 19pin Io Output (All I0 Port P0-P20 of Microbits is Output) Note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color. Package includes: 1pc Expansion Board