DDS 单片机控制AD7008 产生正弦波

80c51f020，i2c管理时钟芯片PCF8583,-80c51f020, i2c management clock chip PCF8583,

51汇编语言缩进程序,格式化出漂亮的51汇编代码-51 assembly language brings procedures, formatting beautiful out of the 51 assembly code

字符液晶显示驱动程序，用c语言编程，具体功能见程序。

自己做的一个单片机实验,实现led灯的闪烁-Their own to do a single-chip experiment, led lights flicker realize

Keil C51微处理器开发工具使用指南-Keil C51 microprocessor development tools Guide

AT89c2051控制9200b发双音频码用8870解码并将BCD码返回AT89C2051,然后比较的源代码和Hex文件。-AT89c2051 Two-control 9200b audio decoder yards with 8,870 and will return to BCD AT89C2051, then compare the source code and Hex documents.

keil C51 H－Test事例-H-Test case

本文档收录了NE555的具体的内部电路图及555的具体的应用方式,对想了解555的初学者有很大的帮助.-This document contains the specific NE555 internal circuit 555 and the specific application, right would like to know 555 beginners a great help.

STC89C58RD+系列软件实现spi-STC89C58RD+ Series software spi

简易频率计，一个中断，一个定时器，适合初学者学习中断、定时器，动态扫描显示。-Simple frequency meter, an interrupt, a timer, suitable for beginners to learn interrupt, timer, dynamic scan shows.