Qwiic Mux Breakout (BOB-16784) SparkFun Qwiic Mux Breakout (BOB-16784) enables communication with multiple I2C devices that have the same address and makes it simple to interface with. The Qwiic Mux breakout board includes eight configurable addresses of its own, which allow up to 64 I2C buses on a connection. This breakout allows changing last three bits of the address-byte and eight-jumper selectable addresses for more than one Qwiic Mux breakout on the same I2C port. The Qwiic Mux breakout operate between 1.65V to 5.5V making it ideal for all the SparkFun's Qwiic boards.