Adafruit TCA9548A 1-to-8 I2C Multiplexer Breakout

Adafruit TCA9548A 1-to-8 I2C Multiplexer Breakout

Marsoni

M251S

$12.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Adafruit TCA9548A 1-to-8 I2C Multiplexer BreakoutThe Adafruit TCA9548A I2C Multiplexer breakout board allows you to connect up to 8 identical I2C devices with the same address to a single microcontroller. It acts as a gatekeeper, shuttling commands to the selected I2C port using a simple control byte. This compact board comes with the TCA9548A chip on a breadboard friendly breakout, complete with capacitors, pull ups, and pull downs for easy use. Compatible with both 3V and 5V logic levels.

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Reviewed in the United States on March 13, 2026