Datasheet

Finally, a way to get up to 8 same-address I2C devices hooked up to one microcontroller -

this multiplexer acts as a gatekeeper, shuttling the commands to the selected set of I2C

pins with your command.

https://learn.adafruit.com/adafruit-tca9548a-1-to-8-i2c-multiplexer-

breakout

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