AT89S52芯片的基于C语言的各种基本套路小实验…

本原码功能是单片机接收和发送串口字符的例子，请参考-primitive code SCM function is to receive and send serial characters examples, please reference

485通讯网络设计的相关知识及如何降低网络功耗-485 communication network design-related knowledge and how to reduce network power consumption

一个很好用的密码锁程序，MCU用的是EM78P447，经试用非常可靠，提供给想学习EMC的用户使用，如有需要原理图的请发邮件到micheal23@sohu.com,注：需注明LOCK原理图-good with a password lock procedures, the MCU is EM78P447, tested very reliable, available to want to learn EMC users, if necessary schematic please send mail to micheal23@sohu.com, Note : LOCK be annotated diagram

Chinese Font display in embedded system

4位LED共阳数码动态显示的C51源程序.rar-a total of four LED digital yang dynamic display of the C51 source. Rar

8051f02x 单片机的实用排序子程序。-Singlechip 8051f02x practical sort subroutine.

以ST公司CPU为核心的彩色电视机的完整源程序。-ST companies to CPU as the core integrity of the source of color television.

利用单片机51加sl811芯片实现对u盘读写的控制，代码仅供大家参考，如有不对之处，敬请谅解-Sl811 increase the use of single-chip 51 chip on the u disk read and write control code for your reference, if doing so after updating

电动自行车控制器详细原理图，对无刷电机控制开发有帮助-Electric Bicycle Controller detailed schematic diagram of brushless motor control development help

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