Direct Digital Synthesis (DDS), the use of chip adc9851

单片机系统软件抗干扰方法，在设计大规模系统中需要主义的问题方法！-SCM software anti-jamming system, the large-scale system design needs of Marxist methods!

DDS芯片AD9851的程序，keil编写，AD9851接成并行接口-err

can tongxunCAN128的底层驱动-the underlying drivers can tongxunCAN128

该程序是单片机ATMEGA103通过GPIO口模拟SPI总线协议的SPI读写函数-The program is through the GPIO port ATMEGA103 Singlechip simulation SPI bus protocol of the SPI read and write function

这是一个LED灯光渐变的程序！已通过调试-This is a gradual process LED lights! Had passed through debugging

这是一套红外解码的软件，包括硬件电路，详细使用说明！里面针对空调的国际码的界码过程有详细的描叙.-This is a set of infrared decoder software, including hardware circuit, the detailed instructions! Air-conditioning inside the International Code for the sector has a detailed code describes the process.

用51汇编语言设计的DTMF发生器程序 输出到PI的每次间隔是52个指令周期 主频：6M，6M/12=0.5M,每个指令周期：2uS 即每次输出到P1的时间间隔是122uS 指令周期数：52 + 9 = 61-51 assembly language using the design process DTMF generator output to the PI for each interval is 52 instruction cycle speeds : 6M, 6M/12 = for 0.5 per instruction cycle : 2uS that each output to the P1 time interval is 122uS instruction cycle : 52 9 = 61

source led giao tiep qua cong LPT

msp430单片机控制输出PWM波,可以用来控制DC_DC变换用的控制信号,很好用-MSP430 single chip microcomputer to control the output PWM waves, can be used to control DC_DC transform the control signals used, very good use

先进PID仿真程序，里面有很多先进PID的仿真程序，对于学习PID控制的初学者来说肯定非常有用-Advanced PID simulation program, which has many advanced PID simulation program, PID control, for learning will definitely be very useful for beginners