获取系统时间

C51 红外遥控器键值显示/2位数码管显示/DT9122D/6122 (遥控器）(Infrared remote control key/2 digital display/DT9122D/6122 (remote control))

CAN总线之saj1000与82c250应用源程序，基于c8051f340单片机平台(CAN bus and the 82c250 application saj1000 source, based on single-chip platform c8051f340)

基于MSP430定时器实现的DAC设计源代码(Based on MSP430 timer realize the design of the source code of the DAC)

使用C8051单片机驱动步进电机使用C8051单片机驱动步进电机(Use C8051 singlechip driver stepper motor )

用于没有串口通信硬件的单片机，通过使用IO来模拟Uart的通信应用程序(For no hardware serial communication of single chip microcomputer, through the use of IO to simulate Uart communication applications)

说明：  Sample of use Blink effect on Arduino. How to blink an LED in Arduino with PWM port.

This binding is compatible with the simple-panel binding, which is specified in simple-panel.txt in this directory.

说明：  本文从硬件出发，系统地讲解了文件系统实现的原理，内容详细全面而有条理(Starting from the hardware, this paper systematically explains the principle of file system implementation. The content is detailed, comprehensive and orderly.)

产生不同占空比的PWM波，且采用矩阵键盘来实现的(failed to translate)

用液晶1602 来显示r日期 年月日和分和秒计时器(ｕｓｅyejing 1602 to display thedate and the time mintate ang scend)