Small size is very suitable for DIY40P MICROBIT horizontal socket compact socketUSB: 5V1A power supply meets the requirements of large driving force.Support 3V-5V sensor moduleComes with buzzer (switch) Power supply mode: USB 5V 1AOn-board functions:5V1A self-recovery fuseBuzzer (PO interface)3.5mm audio port (P0 interface)Toggle switch (used to switch buzzer music output and audio port sound output.USB power switchFive gold fingers, which are seamlessly butted with the 0, 1, 2, 3V and GND pins of microbit to protect the gold fingers of microbit.Provide 5V and 3.3V power interfaces, and support 3-5V sensor modules (onboard 5V and 3.3V power indicators).Include pins 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 19, 20.Simulated feet: 0, 1, 2Type: Microbit expansion boardUsage: horizontal adapter for elementary and secondary schoolsProduct description: It supports Scratch Python programming and 3-5V sensor module.Application field: Internet of Things IoTcolor:BlackMaterial:PCBSize: about 57 x 45mm Package Contents:1 x Expansion Board Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.