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自己写的 基于arm s3c2440 max7219的现实程序，用软件模拟spi协议，开发板用的是友善之臂mini2440，ads1.2开发，包含所有项目文件，保证好用，给有需要的朋友，-Write your own arm s3c2440 max7219-based reality program, using software simulation spi protocol development board using a friendliness arm mini2440, ads1.2 development, contains all project documents, ensuring ease of use to those in need of friends,
