This extension module integrates the Altera EPM240 FPGA with an Arduino-compatible interface, enabling flexible prototyping and hardware acceleration. Designed with a clean layout and stable clock source, the board includes JTAG for programming, push buttons for user input, and multiple I/O connectors for seamless integration with STM32 Nucleo and Arduino platforms. It provides a practical environment for experimenting with FPGA logic alongside microcontroller-based systems.