89c51的lcd液晶显示代码 ，汉字的显示，仿真通过。

串行flash 25vf020 驱动程序的定义-Serial flash 25vf020 definition driver

4x5的键盘扫描,一个实用的单片机键盘程序-4x5 keyboard scanning, a practical single-chip microcomputer keyboard procedures

Atmega169 usart 驱动-Atmega169usart drive

8051-LCD的简单应用~~

诺基亚FBU

采用高发射功率红外光电二极管和高灵敏度光电晶体管组成。 光缝宽度（分辨率）有0.8mm、0.4mm两种。-High transmit power infrared photodiode and high-sensitivity phototransistor. Optical slit width (resolution) of 0.8mm, 0.4mm two kinds.

51单片机学习原代码经验丰富工程师编写实际运行通过-51 Single-chip learning the original source of experienced engineers to run through the preparation of the actual

DS1820 C51 子程序-C51 subroutine DS1820

进行单片机与C学习，是我们能简单明了的学习C语言在单片机的应用-SCM and C to study, is simple and clear that we can learn C language in the application of single-chip

protel元器件TQFP-44封装。做好的封装，可以直接用于PCB的绘制！-protel components TQFP-44 package. Do a good job of packaging, can be directly used for PCB drawing!