c51 led program features up and down menu selection menu

C 常用算法程序集 徐士良 编 清华大学出版社 1994.1-C commonly used algorithm for assembly徐士良made Tsinghua University Press 1994.1

温度传感器芯片18B20的操作代码，都是经过验证正在使用的-18B20-chip temperature sensor operation code, are being used to verify

使用HT1632 驱动点阵式LED显示屏显示小绿人-HT1632 driver to use dot-matrix LED display shows the little green men

汇编语言程序设计自学设计教程-assembly language programming self-Design Guide

电机，矢量模型可用于电机模型的建立，是矢量控制的函数-i am sorry，my englis poor

XC2s200 Xilinx公司的SpartanII FPGA 全套图纸，很好！-XC2s200 Xilinx

根据8051单片机的特点及交通灯在实际控制中的特点，本文提出一种用单片机自动控制交通灯及时间显示的方法.-According to the characteristics of 8051 and the traffic lights in the actual control of the characteristics of this paper, a single-chip automatic control with traffic lights and the time display method.

在保存.5下编译ucos的案例，非常方便想了解ucos的入门者-In the preservation of the compiler under .5 uCOS case, a very convenient entry uCOS would like to know who

51单片机矩阵键盘扫描扫描之逐行扫描法.asm程序-51 single-chip scan matrix keyboard scanning method of progressive scan. Asm program

产生各种各样的频率，欢迎大家来使用，-Produce a wide range of frequency