关于嵌入式PS2键盘的原理图，基于51单片机的工控键盘。很实用，包括程序，基于Keil的软件程序...

HCS08的AD例程：本程序是ADC模块的例程，所用资源为单片机内部ADC转换模块， 所接器件为电位器.-HCS08 s AD routine: This is the ADC module of the routine procedure, the use of resources within the ADC conversion for the microcontroller module, the device is connected potentiometer.

st7565驱动LCD12864源代码以及经调试通过的LCD测试程序-st7565-driven debugging LCD12864 source code, and adopted by the LCD test program

keil软件补丁，用于在keil软件中增加stc库选项。-keil software patches, for an increase in the keil software stc library option.

多功能广告牌，12864液晶显示，首行滚动显示广告语，按键选择广告，预存5条广告，18B20检测温度显示，DS1302万年历显示，可调时间，具有掉电保护，串口向PC机实时传送温度、时间信息-Multi billboards, 12864 liquid crystal display, the first-line scrolling display advertising language, button select advertising, stored five advertisement, 18B20 test temperature display, DS1302 calendar display, adjustable time, with a brown-out protection, serial port to the PC, real-time delivery temperature, time information

为了更加深刻的使用到ACPI的相关资料，书写上传资料的详细功能。-for use

用Keil C51 编写的单片机使用PC键盘程序代码- Compilation monolithic integrated circuit uses the PC keyboard procedure code with Keil the C51

//115.2k串行口通信程序，校验方式为简单双向校验, //而且是必要的，因为任何采用中断、crc等的方法 //均很难保证速度和避免错误. //总体速度5KB/秒 //单片机程序 //使用22.1184晶振-//115.2k serial port communication procedures and testing methods for the simple two-way check,// it is necessary, because any interruption used, the method crc// it is very difficult to ensure speed and avoid mistakes.// Overall speed 5KB/s// MCU procedures// crystal use 22.1184

普通波形发生器 开发环境：VisualBadsic-General waveform generator development environment: VisualBadsic

两线制电流 温湿度变送器原理图，MSP1221的PWM和XTR115-Two-wire current temperature and humidity transmitter schematic, MSP1221 the PWM and XTR115

本人学习51时老师的课件。供学习51的朋友参考学习.-for study 51 reference.