Function expansion for labs, workshops and projects. This product broadens the capabilities of your PCIebased setups, making it suitable for educational, development and experimental environments. Flexible PCIe expansion with stackable PCIe HAT modules. It supports easy combinations and stacking of multiple PCIe HAT modules, enabling scalable configurations. Easy access for 16pin PCIe designs via a 16pin cable. The design facilitates straightforward connections to PCIe components. Target users include electronics enthusiasts, developers and educators. It helps with project development and teaching by providing practical PCIe expansion capabilities. Use scenario: In a university electronics lab, it enables prototyping and testing of multicard PCIe configurations by stacking several HAT modules. Use scenario: In a startup workshop, it supports building and validating hardware projects that require multiple PCIe devices. Use scenario: In classroom settings, it demonstrates PCIe expansion concepts through handson activities and guided demonstrations.