UART Hub
The M03U UART Hub expands the amount of UART ports on the M02 Micro:bit Expansion Board and allows the Micro:bit to be more versatile.
Size 63.8 mm * 39.8 mm Interface Type PH2.54MM/4PIN x 6 Port Pin Config TX UART (TX)
RX UART (RX)
VCC (+ 5V /3V Voltage Ping)
GND (Power Grounding Pin)