数字示波器全部的原理图以及PCB图，一共包括多个文件，希望大家喜欢...

FFT的C实现方法 (函数名: 快速傅立叶变换 本函数测试OK,可以在TC2.0,VC++6.0,Keil C51测试通过。)-C-Implementation of FFT

PHILIPS P87C591 PeliCan C语言开发库，极大方便了对591的CAN开发。-PHILIPS P87C591 PeliCan C language library, a great convenience for the development of CAN 591.

51系列单片机上实现PC键盘的识别，并且在相应的LED点阵上显示结果-51 Series Single Chip PC keyboard to achieve recognition, and in the corresponding LED dot matrix display results

PCI_Express PCB Guidelines

胜华 LCD 2.8寸,配NT7787的显示驱动程序源代码.-Wintek LCD 2.8 inch display with NT7787 driver source code.

spi prog for mcu ok in keil C

web51 的一种实现-a solution of the web51

这是我自己写的18B20驱动程序，不需修改，做的温度计精度很高。大家在做温度采集明无需修改，只需添加上既可使用。-This is what I wrote it myself, 18B20 driver without modification to do high precision thermometer. We do no need to modify the temperature acquisition out, simply add the can use.

基于AVERLOGIC公司的AL37204的多路车载分割器-AL37204-based company

CH341评估板，演示USB转串口、转打印口、转并口及同步串口等-CH341 Evaluation and demonstration USB to serial, LPT switch, switch synchronous serial port and parallel port, etc.