呕心沥血花了将近一个月编写的打印机程序，可用在89C51系列

采用DDS 技术实现了基于DSP 的模拟调制实验模块。包括系统的硬件和软件设计,模拟调制原理,DSP实现模拟调制的方法,同时采用单象限正弦波形存储器结构对DDS 模块进行了改进,提高调制器的性能。-DDS technology using DSP-based implementation of the experimental module Analog modulation. Including system hardware and software design, analog modulation principle, DSP Analog modulation methods of implementation, while a single-quadrant sine wave-shaped structure of the DDS memory module has been improved to enhance the performance of modulator.

一个不错的硬盘播放器程序,包含VFD显示程序,红外线遥控程序,硬盘读写程序,及解码程序等.-a good hard disk player procedures, including procedures VFD, infrared remote control procedures, hard drive read and write procedures and decoding procedures.

1602A 显示的英文句子。实验板上已通过-1602A

avr单片机加外围三个传感器，分别是SMB380三轴传感器，ST10温湿度传感器，用iic控制,串口跟主机通讯-avr microcontroller plus three external sensors, namely the SMB380 triaxial sensors, ST10 temperature and humidity sensors, with iic control, serial communication with the host

基于AT89C52的单片机4X4键盘原理图，可用于小系统板-Based on AT89C52 microcontroller 4X4 keyboard schematics, can be used for a small system board

PIC18F458的AD采集源程序，经过测试完全可用-PIC18F458 source collection of AD, has been tested fully available

通过单片机定时器 来设定任意比的pwm波-Through the single-chip microcomputer to set arbitrary timer pwm wave ratio

基于LM3S3748的3.2TFT手写板程序-The LM3S3748-based tablet program 3.2TFT

Modbus是modicom公司提出得一种数据传送方式, 也是现在用的较多的现场总线之一,之所以它这么成功得被应用, 主要原因是因为Modbus协议的简单,和开放性较好-Modbus is modicom companies have a data transmission method is now used more fieldbus one reason why it was such a successful application, the main reason is because the Modbus protocol is simple, and openness better

u盘制作资料(原理图、文档、底层驱动源程序)_-u disk production of information (drawings, documents, the bottom-driven source) _