矩阵键盘检测,用于初学单片机的人了解学习

PROTEL 99SE快速入门指南，是初学者的良师益友。-PROTEL 99SE Quick Start Guide is a mentor for beginners.

c8051f单片机外接ht1380，关于时间的读取，设置-c8051f MCU external ht1380, on the time to read, set

一本不错的单片机入门教材，特别适合于初学者，讲述全面、易懂。-a good SCM entry materials, particularly suited to beginners about a comprehensive, understandable.

I2C实用源代码。KEIL C51编译器编写。-I2C utility source code. KEIL C51 compiler to prepare.

Sitronix ST7637 驱动原程序码，易读易明，好用方便 -Sitronix ST7637 drive the original program code, readable and easy to understand, easy to use convenient

4*4键盘扫描应用C51在UVision3平台开发编程-4* 4 keyboard scan applications uVision3 platform development in C51 programming

单片机16*16滚动点阵的功能是，LED屏显示的初步程序设计入门-Single Chip 16* 16 dot matrix of the function of rolling, LED screen display of the initial program design entry

MF500非接触式IC卡开发板源程序 -MF500非接触式IC卡开发板源程序

IC卡燃气表设计.pdf(73页的论文)----本文设 计了一个以预付为目的的IC卡燃气表。设计的题目来源于和一家苏州燃气表生产企业的项目合作，该项目主要包括IC卡燃气表、IC卡写卡器及售气管理系统三个部分。本人作为开发小组的成员之一，负责了IC卡燃气表的开发工作。-IC card gas meter design. Pdf (73 pages of paper )---- This article is designed for the purpose of a prepaid IC card gas meter. The title comes from the design, and a gas meter manufacturing enterprises in Suzhou project cooperation, the project mainly include IC card gas meter, IC card smart card device and the sale of gas management system in three parts. As a member of the development team is responsible for the IC card gas meter of the development.

SD卡开发源程序，可根据用户实际硬件修改-SD Card source files, users can change the actual hardware