DDS chip AD9851 applications, using keyboard input at any frequency, liquid crys...

本课题所研究的可存储虚拟示波器定位为低档型，即在性能上只需满足大多场合的基本应用，努力实现小型化，价格尽可能低廉，这样在财力有限的小用户（电子爱好者、小型企业）中能够普及，在大用户的使用中发挥便携性强的优势，与高档示波器配合使用，互相取长补短。-Studied this subject can be stored as a virtual oscilloscope-type low-grade, that is, in terms of performance on most occasions, only to meet the basic application, and strive to realize miniaturization and low prices as much as possible so that limited financial resources to small users (electronic enthusiasts, small enterprises) can be universal, in the use of large users to play a strong advantage of portability, high-end oscilloscope used in conjunction with each other.

12864LCD单片机程序,包括写入中文字符以及输出数字等-12864LCD single-chip process

一个很好的基于AT90S4434的PC机的键盘程序-AT90S4434 Based on a good PC, keyboard procedures

LCD12864源代码 NEC公式芯片 包括控制液晶显示屏的各个函数-LCD12864 formula for the source code NEC LCD chips including control various functions

12887的初始化程序――89C51，有助于各位使用12c887芯片！大大加快开发进度！-12,887 initialization procedures-- 89C51 help you use 12c887 chip! Progress greatly accelerated development!

设计了一个单片机的原理图，并制作了相应的PCB版图，测试后程序运行正常-Designed a microcontroller schematics and produce the corresponding PCB layout, test program runs normally

CC2420+PA 一个CC2420加PA的PCB板图，载频是2.4G-CC2420+ PA a CC2420 plus PA

51程序库，一些例，学51单片机的基础用，-51 libraries, a number of cases, learning the basis of single-chip microcomputer 51, and

C51实现HDLC数据链路协议的源程序-C51 HDLC data link protocol of the source

mega64 +　VS1003 + SD卡，液晶使用的 Nokia5110液晶（方便，可以直接贴在板子上）,，采用手机锂电池供电 配外壳 -mega64+ VS1003+ SD card, LCD used Nokia5110 LCD (convenient, can be directly attached to the board on), the use of lithium battery-powered mobile phones with shell