A development board (demo board) is a circuit board used for embedded system development, including a series of hardware components such as a central processor, memory, input devices, output devices, data paths / buses, and external resource interfaces. The development board is generally customized by the embedded system developer according to the development needs, and can also be researched and designed by the user. The development board is for beginners to understand and learn the hardware and software of the system. At the same time, some development boards also provide a basic integrated development environment and software source code and hardware schematics. Common development boards include 51, ARM, FPGA, and DSP development boards.

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