Catalog > Internet of Things (IOT) Related Products > More Platforms GPIO Expansion Board Educational Shield GPIO Expansion Board Educational Shield BMT MICRO:BIT EXPANSION BOARD MICRO:BIT GPIO EXPANSION/BREAKOUT BOARD WITH BUZZER. 5VDC 109.04 ZAR inc for 1 Each 4 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Power indicator Powered on the, the indicator light will be red, no power it won’t light up. P0 buzzer jump cap The jumper cap IObit is plugged in by default. In the Makecode, you can use the music column to program, and make a sound. Usually, there is no sound when you power on. 3Pin IO port leads All the pins in the have been taken out without any reservation (PS: there is no P17 and P18, not the IObit is not taken out) 40P Horizontal Socket Compact size socket Board mounting holes and fixing holes The outermost two holes are approximately 4.8 mm in diameter and are compatible with Lego friction pins with a spacing of 48 mm. The innermost two holes are about 3.1mm in diameter and can be tightened with ordinary M3 screws. The spacing is about 32mm. Specifications Size: 5.7*3.7*2 cm Thickness of PCB: 1.6mm Miniature buzzer: 1 Output current: 40MaH Working voltage: 5V