pci introduction in underastanding the logic behind pci

使用keil编写的关于液晶显示的驱动程序，能够实现滚动显示-Keil prepared by the use of liquid crystal display driver, to achieve a rolling display

通过提升机械传动轴的转角脉冲计数,将计数值与预置值作对比,即可确定驱动电机的启停升降,达到平层就位的目的.以AT89C51为CPU,在中断处理程序中对外来脉冲计数.-Through enhancing the mechanical shaft angle of the pulse count, will be of value for comparison with preset values, you can determine the start and stop the motor-driven movements, to achieve the purpose of flat layers in place. To AT89C51 for the CPU, interrupt handling procedures in foreign pulse counting.

基于UCM40的超声波测距函数,可测0.08---2.5米距离,数值精确-Based on Ultrasonic Ranging UCM40 function, measurable 0.08-2.5 m distance, numerical precision

用于Motorola Dragon-MX1上的bootloader。是对开源软件blob进行修改得到的。-for Motorola Dragon-MX1 the Bootloader. The open-source software blob been revised.

一篇不错的shell教程,很不错的bash脚本编写教程-shell programing guide

AT91RM9200的USB host测试代码，仅供学习（ADS1.2）-AT91RM9200 USB host test code, only to learn (ADS1.2)

12*12点阵汉字库，做LCD汉字显示必备-Lattice Store, the Chinese character LCD display so essential

salvo avr rtos lt 版本，用于AVR RTOS开发！-salvo avr rtos lt version for AVR RTOS development!

C51开发板测试程序 C51开发板测试程序-C51 test procedure development board C51 test procedure development board

工频正玄波的逆变器电路，成熟使用的方案，请用作设计参考，thx-frequency Shogen wave inverter circuit, the use of mature programs, please reference for the design, thx