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说明：  定时器扫描矩阵键盘，让你彻底摆脱delay(Timer scan matrix keyboard, let you completely get rid of delay)

考虑磁场饱和效应的电励磁同步电机矢量控制的一篇论文，在电机考虑磁路饱和是挺有启发的(Electrically Excited Synchronous Motor Vector Control Considering Saturation Effect)

说明：  WK2124 SPI C51 测 试 程 序(WK2124 SPI C51 C test demo)

黑金动力原创nios ii教程，介绍了硬件、软件开发流程，提供了led、中断、串口、rtc、spi、iic、定时器等十多个实验的详细介绍(Alinx original nios ii tutorial, this paper introduces the hardware and software development process, and provides led, interrupt, a serial port, the RTC, spi, iic, timer and so on more than a dozen experiments in detail)

用于往复运动中的油膜压力分析的非牛顿流体动力润滑程序(Used for reciprocating motion of the oil film pressure analysis of non-newtonian fluid dynamic lubrication)

这是一个SPI 接口的1.8寸TFT操作的源代码，液晶屏控制器为ST7735,里面附带ST7735资料(This is an SPI interface 1.8-inch TFT operation of the source code, the LCD screen controller ST7735, ST7735 with inside information)

基于STC89C52RC的单片机的PWM电机调速(STC89C52RC microcontroller-based PWM motor control)

cs的kvsd标准算法，以及kvsd_nn的改进算法(cs of kvsd standard algorithms, as well as improved algorithm kvsd_nn)

信号检测 51单片机 通过外部中断检测信号源的脉宽周期频率(51 single-chip signal detection signal detected by an external interrupt source of the pulse cycle frequency)

51单片机串口控制继电器的C源程序，用电脑控制继电器(51 MCU C source control relay)