M5Stack U006 for use with GROVE Port Expansion [U006]; 202-7607
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HUB is one of the six Units in M5GO, allowed to buy separately. This Unit is used for GROVE port expansion. Notice: HUB is just a hardware expander, if you are looking for hardware and software(standard protocol) expander like I2C, Single-bus, please check PaHUB or PbHUB. If you connected two I2C slave devices onto HUB that share the same address, you will have problem getting I2C data from both.