PIC16F877控制DS1302时间芯片 ds1302时间芯片

flash　m25p80的读写程序，使用软件模拟SPI总线进行操作。-flash m25p80 of reading and writing, the use of software simulation of SPI bus operations.

《Franklin C-51程序设计》经典入门- "Franklin C-51 Programming" the classics cross the threshold

上海复旦微电子感应IC卡读写芯片FM1702SL读写程序-Shanghai Fudan Microelectronics sensor IC chip card reader to read and write procedures FM1702SL

仪器仪表键盘显示模拟系统，用AT89S52芯片作为系统的CPU，控制系统的按键及显示器部分。用8路同相三态双向总线收发器74LS245芯片驱动LED。4X4矩阵键盘作为系统人机交互的重要部分，用于向单片机应用系统输入数据或控制信息，设计4X4矩阵键盘分别对应键码“0-F”。系统可以实现的基本功能包括开机LCD液晶屏幕显示“大专05电子信息X班XXX毕业设计”信息；按下任意一个按键，LCD液晶屏幕显示相应按键的信息。在基本功能的基础上还增加了一个扩展功能，即增加一个LED数码管同步显示相应键码-Show the simulated keyboard instrumentation systems, using AT89S52 chip as a system CPU, system control buttons and display parts. With 8-phase three-state bidirectional bus transceiver 74LS245 chip-driven LED. 4X4 matrix keyboard system as an important part of human-computer interaction, single-chip microcomputer application system used to input data or control information, the design of 4X4 matrix keyboard key code corresponding to

C51源程序库，一些例，学51单片机的基础用-C51 source database, a number of cases, the basis of study with 51 single-chip microcomputer

用于参考msp430f149硬件连接图，个个引脚的分配，可以做下载-MSP430F149 for reference hardware connection diagram, the distribution of each pin, you can download to do

该软件用于开发具有触摸屏的系统，打开图形文件就可以-software for the development of the touch screen with the system and opening graphics files can

905无线模块关于主机通信的程序。

一些Ｃ语言单片机程序，有很强的实用性，对初学者很-Some C language Singlechip procedures, has strong practicality, is for beginners

开发硬件电路需要用到液晶显示模块1602的用户必备。调试实验源程序第二部分。-Hardware needed to develop liquid crystal display module 1602 required the user. The second part of the experimental source code debugging.