Extension board designed for STEM training, robotics and programming. It facilitates the connection of different modules and components by providing a convenient and reliable way to build interactive projects without complex electrical connections.The board has the4 ports for servo motors,4 ports for DC motorsand7 ports for sensorswhich allows the simultaneous use of multiple devices in one project.All connections are made byRJ11 connectorsthat provide fast, easy and secure connection, suitable for teaching.The board is compatible withLEGO®andFischertechnikstructures that allow easy integration of electronic modules into mechanical models. This enables students and teachers to create various projects with micro, combining programming, electronics and construction in a comprehensive STEM environment.