44b0开发板试验代码ucos实验MP3.rar

GPS系统，怎样接收坐标数据，以及对数据的处理-GPS systems, how to receive coordinate data, as well as data processing

F206的液晶模块显示程序-F206 LCD display module procedures

前面板vfd控制代码，嵌入式，高清播放机前面板。-Vfd front panel control code, embedded, high-definition player front panel.

该数控直流电流源以精密压控电流源为核心、用单片机、DAC组成控制电路，引入“S类”反馈控制功率放大电路，实现超精密电流控制、具备精准的扩流能力、低失调、有步进、同时带有 丰富扩展功能的精密电流源。经过ADC采样，完成输出电流显示功能，并使输出范围覆盖0～2A，是理想的电流源解决方案。-The CNC precision DC voltage-controlled current source to current source at the core, with single-chip, DAC control circuit components, the introduction of " S-type" feedback control circuit power amplifier to achieve ultra-precision current control, with precise flow capacity expansion, low disorder, there is stepping at the same time and expanded with rich precision current source. ADC sampling after completion of output current display, and output cover 0 ~ 2A, the current source is an ideal solution.

正弦波表生成工具，可以设置不同的采样点和采样方式-Sine wave form generation tool, you can set up different sampling points and sampling methods

本文件是用keil软件编程的键盘控制程序，用扫描法控制51单片机的键盘-This document is keil software keyboard control procedures scanning method using the keyboard control 51 single-chip

一个免费的SMART CARD OS系统。--A free SMART CARD OS.

//软件红外线接收程序 //该软件是很久以前做的，差不多已经忘了--Infrared receiving program.

基于8051嵌入式系统的GPRS终端实现.-8051 embedded systems based on the GPRS Terminal.

51单片机相关驱动程序 51单片机最小系统测试程序-51 SCM related to the smallest single-chip driver system 51 test procedure