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https://www.aliexpress.com/item/1PCS-TCA9548A-I2C-Multiplexer-Breakout-board-for-chaining-Modules-NEW/32808950368.htmlAliexpress 2.5$

Example code: https://learn.adafruit.com/adafruit-tca9548a-1-to-8-i2c-multiplexer-breakout/wiring-and-test

datasheet: http://www.ti.com/lit/ds/symlink/tca9548a.pdf

i2c port: 0x70 (0x70-0x77)default)


A2A1A0addrhex
GNDGNDGND11270
GNDGNDVcc11371
GNDVccGND11472
GNDVccVcc11573
VccGNDGND11674
VccGNDVcc11775
VccVccGND11876
VccVccVcc11977