帮助初学PIC单片几的人快速入门,同时也可以为有经验的工程师提供产考....

C51强大功能及其高效率的重要体现之一在于其丰富的可直接调用的库函数，多使用库函数使程序代码简单，结构清晰，易于调试和维护，下面介绍C51的库函数系统。-C51 powerful features and its high efficiency in one important manifestation of its rich can directly call the library, multi-use library functions to make the code simple, clear and easy to debug and maintenance, and C51 introduced below the library system.

74ls165控制扫描键盘，串行输出键值的c51键盘程序，并在led上显示-74ls165 control scanning keyboard, serial output of the decoder keyboard keys procedures, and led the show

时钟程式，单片机开发，时间控制时钟，定时，报警-Clock program, microcontroller development, time control clock, timer, alarm

easyarm1138用c语言开发的2401无线接收程序-easyarm1138 c 2401 receive

通过COM1与单片机通讯的界面程序，包含3个线程-Communications through COM1 and MCU interface process contains three threads

4X4矩阵键盘+LCD1602显示,可以开发好多功能-4X4 matrix keyboard+ LCD1602, it can be a good multi-purpose development

绘制LCD的RGB和喷墨打印机的 CMYK到CIELab的三维彩色视图 -LCD rendering of RGB and CMYK inkjet printers to the CIELAB color three-dimensional view

单片机的USB、232输出口的电路图-USB MCU, 232 outputs of the circuit

1） 以单片机为核心部件组成一个音乐播放器。 2） 利用单片机的定时器产生乐谱的各种频率方波，信号经过放大后由喇叭发出声音。 3） 自行定义按键盘，每按一键，可选择一首歌曲进行演奏，某段音乐令单片机连续播放，演奏可通过按键来中断。 4） 在LCD上显示演奏歌曲的名称。 -1) the composition of the core components of SCM as a music player. 2) the use of MCU timer generated scores of the various frequency square wave signal through the amplified sound from the speakers. 3) self-defined keyboard, every click of a button, select a song to play, a certain period of continuous playback of music in SCM, playing by pressing a button to interrupt. 4) In the LCD displays the name of the song playing.

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