An M5Stack controller has only one Grove port. This hub splits it into three, so you can run, for example, temperature, CO2 and light from the same board.
It works for I2C sensors with different addresses, which most M5Stack units have. UART sensors can't share the port this way.
Manufacturer: M5Stack Technology Co., Ltd, Block A10, Expo Bay South Coast, Fuhai Street, Bao'an District, Shenzhen, China, [email protected]. EU representative: Success Courier SL, Calle Rio Tormes 1, Planta 1, Derecha, Oficina 3, 28947 Fuenlabrada, Madrid, Spain, [email protected].
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