自己现在用的51系列单片机下载线，用74HC244芯片

AD7708 - ANALOG DEVICES 16bit ADC CONVERSION ROUTINES-AD7708- ANALOG DEVICES 16bit ADC CONVERSION ROUTINES

利用L293D驱动步进电机，正转，反转，调速等-Make use of stepper motor driver L293D is transferred, reverse, speed control, etc.

基于msp430的DDS芯片ad9851的源码,-MSP430 Based on the DDS chip AD9851 source,

Msp430的flash读写文件配置文件，(msp430f427芯片)-MSP430

这是本人去年学习所用的新华龙F020开发板的PCB Layout板.因为只用了两天时间画完,没有做走线优化.希望对大家有所帮助.-This is the last year I used to learn new hualong F020 development board PCB Layout of the board. Because only two days画完, there is no alignment to do optimization. Want to be helpful to everyone.

这是一个ＬＣＤ　的显示驱动程序，他能够实现显示两行字符的功能-This is a LCD display driver, he was able to show two lines of characters realize the function of

电源采样控制，通讯的简单程序，运行环境c51,-Power sampling control, communications, simple procedures, operating environment c51,

矩阵键盘检测,用于初学单片机的人了解学习-Matrix keyboard detection for the beginner to learn to understand SCM

利用PWM产生高精度正弦波,从PWM引脚输出的脉冲信号经过简单的低通滤波后,可以得到平滑的正弦波,波的频率可以微调-produced using high-precision sine wave PWM, PWM output pin from the pulse signal through simple low-pass filter, can be smooth sine wave, the wave frequency can be fine-tuned

数码管的显示操作，同时也有按键操作程序，通过单片机控制可以直接进行显示-Digital tube display operation, but also has key operating procedures, can be directly controlled through the single-chip display