Adafruit PCA9546 4-Channel Stemma QT/Qwiic I2C Multiplexer - TCA9546A Compatible

You just found the perfect I2C sensor, available in a handy chainable Qwiic, or STEMMA QT package, and you want to wire up two or three or four of them to your microcontroller when you realize "Uh oh, this chip has a fixed I2C address, and from what I know about I2C, you cannot have two devices with the same address on the same SDA/SCL pins!" Are you out of luck? You would be, if you didn't have this ultra-cool Adafruit PCA9546 4 Channel STEMMA QT / Qwiic I2C Multiplexer!Finally, a way to get up to 4 same-address I2C devices hooked up to one microcontroller - this multiplexer acts as a gatekeeper, shuttling the commands to the selected I2C port with your command. If you need to have up to 8 multiplexed devices, check out the 8-channel PCA9548 version of this board.In case you're wondering why this uses the PCA9546 and not the TCA9546A, the PCA9546 is the 'fraternal twin sister' of the TCA9546 but is easier to get during the great chip shortage of 2022. It works exactly the same, just c