Did you read and try the tutorial from Adafruit about how to do this? Overview | Adafruit TCA9548A 1-to-8 I2C Multiplexer Breakout | Adafruit Learning System
Did you read and try the tutorial from Adafruit about how to do this? Overview | Adafruit TCA9548A 1-to-8 I2C Multiplexer Breakout | Adafruit Learning System