Expansion Board Adapter with Lego holder for microbit - ElecFreaks
Small size: 58mm*40mm, similar in size to BBC micro:bit. It does not take up space and is more flexible.
Compatible with base: blocks can be built on it, and children can create interesting cases, which can better improve children's creative ability.
Widely Used Breakout Board: There are 8 servo drivers connection, 2 motor drivers connection, 4 Rainbow Leds, 8 LED and buzzer switch on board.
400mAh Li-ion Battery: 20 minutes for completing the charge that can operate for more than 40 minutes a time.
Working Voltage:3.7v~5v,Most of the IO ports led out in GVS form.Standalone IIC pots, available for OLED and BME280.
【TIPS 】Wiki Tutorial:https://elecfreaks.com/learn-en/microbitExtensionModule/wukong.html