MCS51外部中断1和定时器T0的应用，外部中断1连接一个按键，通过调节按键改变定时器的值，定时器输出连接一个蜂鸣器...

用AT89S52编写的12864显示的方波！-AT89S52 prepared with 12,864 square display!

基于msp430的TCPIP协议栈包括源代码和文档说明-MSP430 Based on the TCPIP protocol stack including the source code and documentation

单片机c语言编程的红外线接收程序，为学习单片机和嵌入式开发的同学提供帮助-SCM c language programming procedures for the infrared receiver

LUMINARY ARM的PWM代码（带死区控制）-LUMINARY ARM code of PWM (with dead-zone control)

单片机最小系统原理图.protel绘制的.比较经典.-The smallest single-chip microcomputer system schematic. Protel drawn. Comparison of the classic.

parameters of model induction motor

一个单片机系统的驱动程序，附带了单片机系统的原理图。适合于硬件初学者的汇编编程学习。-an SCM system of the driver, accompanied by the SCM system diagram. Suitable for beginners hardware compilation of learning programming.

摩托罗拉HCS08系列,用片内FLASH模拟EEPROM的程序在RAM中执行!很有价值!-Motorola HCS08 family, the EEPROM chip FLASH simulation procedure implemented in the RAM! Great value!

如何使用USB总线接口在单片机系统中实现一个虚拟串口的原理和实现过程。在设计中，软件部分采用USB的CDC类标准来实现虚拟串口，这样可以使用操作系统（Windows,Linux）自带的驱动程序；在硬件设计中，使用自带USB从设备接口的AT89C5131单片机，提高了系统的集成度和可靠性-How to use the USB bus interface in single-chip realization of a virtual serial port system, the principle and implementation process. In the design, the software part of the adoption of USB-CDC class standards to achieve a virtual serial port, so you can use the operating system (Windows, Linux) comes with the driver in hardware design, the use of own USB interface from the device chip AT89C5131 machine, to improve the system integration and reliability of

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