A small keyboard program, there are nine buttons, through the 422 control other...

PCB电路板。键盘控制，矩阵键盘的电路图。-PCB circuit boards. Keyboard control, matrix keyboard circuit.

MSP430F1611串口程序 MSP430F1611串口程序-MSP430F1611 serial serial procedures procedures MSP430F1611

高速数字电路设计及EMC设计，越来越得到大家的重视，如何解决高速数字电路设计及EMC之间的矛盾呢，希望这这能帮助大家。吐血推荐下载。- The high speed figure circuit design and the EMC design, more and more obtains everybody the value, how solves between the high speed figure circuit design and the EMC contradiction, hoped this this can help everybody. Spits blood recommendation downloading.

步进电机程序-Stepper motor procedures

这是在51单片机上实现的完整功能的计算器源代码，用c写成，有利于帮助我们更好的学习单片机的开发-This is the 51 SCM achieve the functional integrity of the source code calculator, and c languages, will help us to better study the development of SCM

学4年来做过的竞赛以及老师的科研项目所积累下来的c51源代码，一共有40-4 years of study done as well as the Teacher of the competition accumulated research c51 source code, a total of 40

通过对鼠标底层通信原理及协议的深入分析，探讨了鼠标在单片机系统中的应用价值与可行性，并介绍了鼠标接口软件设计的原理及方法，给出了单片机与Microsoft鼠标的具体接口程序。-bottom of the mouse Communication Theory and in-depth analysis of the agreement to explore a mouse in the SCM system of value and viability, and introduced a mouse interface software design principle and the method of the SCM and Microsoft mouse interface to the specific procedures.

1602测试-1602 test

8051+ds 1307电话

使用的同步串行三线SPI 接口，可以方便的连接采用SPI 通信协议的外围或另一片AVR 单片机，实现在 短距离内的高速同步通信。ATmega128 的SPI 采用硬件方式实现面向字节的全双工3 线同步通信，支持主 机、从机和2 种不同极性的SPI 时序，通信速率有7 种选择，主机方式的最高速率为1/2 系统时钟，从机方式 最高速率为1/4 系统时钟。-Use three-wire SPI synchronous serial interface, can be used to facilitate the connection of the external SPI communication protocol or another chip AVR microcontroller, realize in the short distance high-speed synchronous communication. ATmega128