FFT的C。

pcb布线制板的专业指导书，很多经验性的指导，对想从事pcb制作的人很有帮助-pcb board wiring system for professional guidance, and many empirical guidance on the wish of the people engaged in the production of useful pcb

keilc51编译的51单片机读条码枪源程序-keilc51 compiled 51 microcontroller read barcode gun source

16*16的点阵显示，包含论文电路和程序-16* 16 dot matrix display, contains papers circuits and procedures

可编程逻辑器件在数字式抢答器中的应用 -Programmable logic devices in digital Answer Explorer Application

自己搞的小东西，单片机控制NE2000兼容网卡的原代码，-their practice of the small things, the 8031 NE2000 compatible Ethernet control of the original code,

RS-485接口具有较强的抗干扰性，数据传输的距离较远，在一些应用中常常需要把RS-232标准的信号转换为RS-485的标准信号进传输。图中所示电路允许数据在RS-232/RS-485这两个不兼容的串行数据接口间传递。传输速度为480波特时，传输距离可达1750米。图中双RS-232收发器IC1将主机(PC)输出的RS-232电平转换为TTL电平，驱动高速RS-485收发器IC2 的输入，倒相器使IC2、IC3在受到起始位时被激活。-RS-485 trying to lay all the thoroughly bleed at the nose picking up the birthday 扰 fern cavity 强 ， Chu Huai basin cavity beat escapement for the birthday candle远Now ， Which instance, using Beckmannia中

A/D转换，转换结果用液晶显示出来，液晶是OCMJX12864。显示的结果是数字量。使用的是ADC0809。（有原理图）-A/D conversion, conversion results liquid crystal display, LCD is OCMJX12864. The result is digital displays. Are using the ADC0809. (With schematic diagram)

lcd1602液晶的avr测试实例程序，带proteus仿真。winavr 编译-lcd1602 LCD avr the test sample program, with proteus simulation. Winavr compiler

Xilinx_Spartan3E开发板的常见疑难问题解答-Development board Xilinx_Spartan3E Common Troubleshooting

单片机在使用KEIL调试时如何在STARTUP.a51里设置寄存器的源码.-Single-chip debugging using KEIL how STARTUP.a51 installed in the source register.