Features: Resolve I2C address conflicts and manage up to 4 identical sensory simultaneously with the PCA9546 I2C multiplexer board, featuring for STEMMA QT/Qwiic compatibility for seamless integration into existing sensory networking. This 4 channel switching module operating for 2.3V-5.5V with low 1μA standby current, offering plug and play connection via Qwiic interfaces and standard 0.1inch headers for breadboard. Designed for robotics developers and electronics hobbyists seeking to expand I2C capabilities while maintaining compact sensory networking architectures. Effortlessly connection multiple display environmental sensory, or robotic actuators in smart home automation systems or industrial monitoring setups without address limitations. Built with hot swap protective and 400kHz Fast Mode I2C support, this multiplexer ensures stable communication across 4 slave devices while simplifying prototyping. Specifications: Component:Plastic Chip model: PCA9546APW Number of I2C channels: 4 channels Primary I2C address 0x70 (default) Type:STEMMA QT / Qwiic + pin header Size:Approx.25.5x20.5mm/0.81x1inch Package Includes: 1Pc Multiplexing Board note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.