C51串口扩展5个源代码，可以弥补51单片机串口不足的缺点，

An "improved" inductance / capacitance meter Actually, it works much the same as the originalIt differs from the original in that: A 16F628 PIC is used. This has internal comparator, which means the LM311 is no longer needed.Software calibration is used. The finished meter can be calibrated against "any" accurate capacitor within the range 100pF to about 10000pF -An "improved" inductance/capacitance meter Actually, it works much the same as the originalIt differs from the original in that: A 16F628 PIC is used. This has internal comparator, which means the LM311 is no longer needed.Software calibration is used. The finished meter can be calibrated against "any" accurate capacitor within the range 100pF to about 10000pF

动态扫描键盘,键盘采用矩阵式结构,用KEILC51编译并运行过,可靠性好-Dynamic scanning keyboard, the keyboard matrix structure, using KEILC51 compiler and run-off, reliability, good

一种基于KA3525的单片机辅助PWM控制电源电路,设计了一种基于该电流型PWM控制芯片、单片机辅助、实现输出电压可调的稳压电源电路-KA3525-based PWM control of single-chip auxiliary power circuit design based on the current-mode PWM control chip, single-chip support, to achieve an output voltage adjustable regulated power supply circuit

HomePlug解决方案的最新firmware，供大家参考-HomePlug solutions to the latest firmware, for your reference

STC51单片机128K sram读写实验的C语言程序，串口调试助手显示。-STC51 MCU 128K sram experimental C-language program to read and write, serial debugging assistant display.

Generating Fractals with SSE/SSE2 You probably have heard about fractals before. They are beautiful pictures such as the one shown above. Any fractal can be described using iterative formulas. So you can generate a fractal by evaluating these formulas and finding the color of each pixel. That is a large computational task, and drawing a fractal needs a fast CPU and a carefully optimized program.

用凌阳SPCE061A在LCD上显示文字、图形 A0-A7连接LCD的DB0-DB7，B3、B4、B5连接LCD的A0、R/W、EP，LCD的CS可连接到DGND-Sunplus SPCE061A used in the LCD display text, graphics LCD connect A0-A7 of DB0-DB7, B3, B4, B5 connected LCD of A0, R/W, EP, LCD of CS can be connected to DGND

MCS―51单片机系统扩展 简单的并行接口由数据寄存器和少量的控制电路组成，暂存传送的数据。以锁存器、缓冲器为主要芯片，稍加控制都可以作为简单的并行接口.-MCS-51 single-chip microcomputer system to expand a simple parallel interface from the data register and a small number of control circuit components, temporary storage of data transmission. To latches, buffers as the main chip, a little control can be used as a simple parallel interface.

C51下编写的跑马灯程序，可以实现好几种图案的变换。-C51 prepared Marquee procedures can be achieved several transformation patterns.

pcb布线制板的专业指导书，很多经验性的指导，对想从事pcb制作的人很有帮助-pcb board wiring system for professional guidance, and many empirical guidance on the wish of the people engaged in the production of useful pcb