Calculator based on the realization of AD89S52 source.

液晶屏字库，主要是针对lcd单色屏的应用，我们用的屏幕是320*240的规格-yejingping ziku

AD9850资料，内有源程序代码，可以给大家提供一个模本。-AD9850 data, which has source code, can provide a mode of the U.S..

PCB最强的设计工具ALLEGRO辅助工具SKILL源代码,很多功能应有仅有，可以直接安装使用-PCB design tools ALLEGRO strongest aids SKILL source code, there should be a lot of features only, can be directly installed on the use of

单片机教程，详细讲解了有关单片机的原理，结构，操作方法。-Single-chip tutorial, detailed account of the principle of the single-chip, structure, methods of operation.

本程序是基于MFRC500射频卡读写器的单片机控制程序，所用单片机为AT89C52.-This procedure is based on RF card reader MFRC500 microcontroller control procedures, using microcomputer AT89C52.

8051单片机矩阵键盘扫描程序（包括键盘的消抖和数码管的显示）-8051 keyboard matrix scanning process (including the elimination Buffeting keyboard and digital display control)

ch375的USB驱动打印程序 很有用-ch375 printing process of the USB drive is useful

SA25F020 2MFLASH读写程序（SPI总线）-SA25F020 2MFLASH literacy (SPI Bus)

针对USB2SPI128芯片的上位机驱动程序的源代码，主要是联通PC机的底层USB驱动和下位机单片机的通讯。-USB2SPI128 chip host computer for the driver source code, mainly to China Unicom PC-bottom USB drive and the next crew microcontroller communications.

ST736单片机，驱动液晶芯片HT1623-ST736 MCU, LCD driver chip HT1623