一种基于单片机系统的多级菜单模块化编程．方便了菜单的加载与卸载,软件结构清晰,维护方便...

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红外通信是利用950nm近红外波段的红外线作为传递信息的媒体，即通信信道。发送端采用脉时调制（PPM）方式，将二进制数字信号调制成某一频率的脉冲序列，并驱动红外发射管以光脉冲的形式发送出去；接收端将接收到的光脉转换成电信号，再经过放大、滤波等处理后送给解调电路进行解调，还原为二进制数字信号后输出。-Infrared communication is the use of near infrared 950nm infra-red as the transmission of information media, namely communication channel. The sending end when the use of pulse modulation (PPM) approach will be a binary digital signal into a frequency modulation of the pulse sequence, and driver fired infrared tube to the form of light pulses sent receiver will receive the pulse of light conversion to electrical signals , and then, after amplification, filtering and other treatment to the demodulation circuit after demodulation, reduced to a binary digital signal after the output.

51单片机及其C语言程序开发实例第8章节-51 SCM and its C language programming examples of the first 8 chapters

单片机定时中断的精确定时编程　里面介绍了５种定时中断的方法误差均不超过1个机器周期-SCM regularly interrupted regular programming precision inside of five species regularly interrupted the error not more than one machine cycle

通用MSP430-I2C的程序，这个程序是一个完整的程序，直接下载就可以使用-MSP430-I2C common procedures, this procedure is a complete program, you can use direct download

可用于PIC单片试验用，12M晶振，形成10毫秒中断 第一次上传东西，试试看，-PIC chip can be used to test, 12M crystal, the formation of the first 10 ms interruption upload things, give it a try,

MSP430F449的LCD使用(代码和硬件)[芯片类]-MSP430F449 the LCD use (code and hardware) [chip category]

8088计算器开发，查询方法，实现矩阵键盘输入控制-8088 calculator development, inquiry methods, realize the control matrix keyboard input

用单片机控制74LS244做的串口通信系统。-74LS244 done with single-chip microcomputer to control the serial communication system.