使用的Altera的DE1 的板子进行SD卡上音乐的读取。

利用NRF905无线通信模块进行RS232通信-NRF905 use of wireless communication module RS232 communication

本程序通过对研祥EVOC_PCL813高速A/D数据采集卡的驱动，采集40路模拟通道的数据，并以数据文件的形式存储在硬盘上，生成文本文件-through the right procedures EVOC EVOC_PCL813 high-speed A/D data acquisition card drive, collecting 40 analog channel data and data in the form of documents stored on the hard drive, generating text files

关于AD采样的MCS51源程序，很有价值借鉴-AD sampling on MCS51 source, a valuable reference

此为18B20的温度检测以及键盘控制和液晶显示程序.好用.-18B20 This is the temperature detection and control of the keyboard and LCD display program. Easy to use.

此源码利用单片机实现短距离无线传输，有实用性，-use of this source MCU short distance wireless transmission, practicality,

TECHWELL 之tw2835 四画面合一之驱动代码,CCIR656输出,KEIL C51 平台编译,-Techwell tw2835 of one of four screen-driven code, CCIR656 output, KEIL C51 compiler platform,

简单的数据采集插值方法。-simple interpolation method of data acquisition.

本程序主要通过外部中断INT0及3.3端口读取PS2键盘值并通过LCD1602显示，键扫描码的解码通过数组方式解码，程序的解码功能主要针对数字及大小写字母和常用标点符号 硬件描述：PS2键盘的时钟线（clk）接89S51的INT0（P3.2）,数据线data接（P3.3） LCD的控制端口分别为： RS = P2^7，RW = P2^6，EP = P2^5，数据端口为P0，液晶显示偏压VL必须接 -This procedure mainly through external interrupt INT0 and 3.3 read PS2 keyboard port value through LCD1602 display, key scan code decoder way through an array of decoding, the procedure for decoding function of the major figures and upper and lower case letters and punctuation marks commonly used hardware description: PS2 keyboard clock line (clk) then 89S51 the INT0 (P3.2), data lines data access (P3.3) LCD control port, respectively: RS = P2 ^ 7, RW = P2 ^ 6, EP = P2 ^ 5, data ports for the P0, LCD bias VL must be received

sub子程序 即可调用本文件中的子程序 DISP 子程序名：显示子程序DISP-sub subroutine

步近电机控制代码，可以控制正反，停，限位等功能，带仿真图。-Near step-by-step motor control code to control both positive and negative, stop, limit and other functions, with simulation of Fig.