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USB鼠标的设计资料之二：原理图。PDF和DSN格式(USB mouse design data 2: Schematic diagram. PDF and DSN format)

电子钟例程在MCS51上实现，用于proteus仿真软件(Electronic clock routine)

键盘的测试功能，用于测试开发系统时的按键状态(Keyboard test functions, the development of systems for testing the key state)

说明：  keil4 89c52 MAX7219点阵原理图.pdf MAX7219英文.pdf MAX7219中文.pdf MAX7219.uvproj max7219.hex(keil4 89c52 MAX7219Lattice schematic diagram.pdf MAX7219EN.pdf MAX7219CN.pdf MAX7219.uvproj max7219.hex)

Rtthread STM32F407 spi_flash/SDIO_SD/tft_gui移植(Rtthread STM32F407 spi_flash/SDIO_SD/tft_gui transplant)

IOS 浏览器加载进度显示源码

android 3D相册 示例源码下载(有图有源码)

利用温度控制制冷设备运行，实现空调扇自动制冷(Using temperature control refrigeration equipment to realize automatic refrigeration of air conditioning fan)

svm分类算法示例源码(含实验报告)

漂亮的数字仪表，可使用在自己的控制项目中(Pretty digital instrument can be used in their own control projects)