51的4*4键盘驱动当按键按下时返回一个值，且只在按下键时返回一次该值，之后返回0；无按键时返回0；包含消抖功能，在键盘的下降沿触发。 基于keil平台...

非常经典~~的 一个~~~~ds1302液晶时钟-Very much a classic ~ ~ ~ ~ ~ ~ ds1302 LCD Clock

基于无线单片机24e1的组网程序。在无线传感器之类的应用中的成功案例。-microcontroller based wireless network 24e1 the procedure. In wireless sensor applications such as a successful case.

用单片机 AVR mega48 和 tinny13做的 AVRCDC-With MCU AVR mega48 and tinny13 do AVRCDC

使用软件仿真usb接口的一个程序,十分精炼,要求计算每一个指令的运行时间,很值得品味-use software simulation usb interface of a procedure is very refined, request instructions for each one of the running time, is worth taste

用51驱动T6963(240*64DOTS)液晶模块-51 driven by T6963 (240* 64DOTS) LCD Module

用单片机I/O口模拟总线形式的通用驱动程序，用C51编写-MCU I/O simulation generic form of bus drivers, prepared with C51

C8051F350单片机24位AD采样程序。-C8051F350 single-chip 24-bit AD sampling procedures.

以比较匹配A达到时交替输出高低电平及写入其维持 时间常数之方法实现脉宽调制输出-to compare A match reached the turn at the high output and low-level maintenance time into their methods to achieve constant PWM Output

在现代电子系统中，有为数众多的IC需要进行相互之间以及与外界的通信。为了提供硬件 的效率和简化电路的设计，PHILIPS开发了一种用于内部IC控制的简单的双向两线串行总线I2C-In modern electronic systems, there are a large number of IC need each other and communicate with the outside world. In order to provide the efficiency and simplify the hardware circuit design, PHILIPS developed an IC for internal control, a simple bi-directional two-wire serial bus I2C.

基于单片机的高精度超声波测距电路源程序.c-based SCM Precision Ultrasonic Ranging circuit source. C