Features: Programming and debugging with Expansion Board, featuring debugger and a standard SWD PMOD for efficient workflow. Robusts functionality includes serial communication expansion, ensuring data transfer capabilities tailored to your project's needs. Suitable for embedded developers, enthusiasts requiring debugging tools, and students learning embedded programming, this board simplifies complex processes. Debugging in embedded development, as well as educational experiments and electronic projects. The Expansion Board is crafted from PCB, making essential accessory for any development kit or electronic hobbyist . Specifications: Component:PCB Package Size:Approx.16.5x13cm/6.49x5.12inch 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. Package includes: 1Pc Expansion Board