支持SD卡的MP3电路图,powerpcb4.0格式.使用AVR单片机

LCD显示和单片机中断定时,单片机不断中断，通过中断计时，当一秒时间到，调用显示函数在LCD上显示时间 -LCD display and single-chip timer interrupt, microcontroller constantly interrupted by interruption of time, when the second time that call functions in the LCD display to show time

LM3S101单片机模拟I2C 本模拟I2C软件包包含了I2C操作的底层函数，如发送数据及接收数据,应答位发送,并提供了几个直接面对器件的操作函数，它很方便的与用户程序连接并扩展.

freescale hc12_C32 例程-Freescale hc12_C32 routines

.Is not a sourcecode or document 3.lost some files 4.Description is not detailed or not correct 5.Compressed file has password 6.Sourcecode duplicate

MSP430系列单片机串口编程详细介绍，有实用的编例子和注释，很好的学习资料-MSP430 series microcontroller serial programming detailed description of the compilation of practical examples and notes, a very good learning materials

ARMMP3 ARMMP3 ARMMP3-ARMMP3 ARMMP3 ARMMP3 ARMMP3

51单片机的中断内容汇总归纳，尤其适合于初学者。-51 MCU as the interruption of the consolidation, especially for beginners.

protel 各种常用元件库 介绍 使用方法-protel library introduced a variety of common components to use

RS485 MODBUS C51程序(EE21学习板演示程序) -RS485 MODBUS C51 program (EE21 learning demo board)

采用AT89C51单片机进行编写，步进电机端口:P1.0,P1.1,P1.2,P1.3,遥控器接口p3.2喇叭p3.7-AT89C51 single-chip microcomputer used for the preparation, stepping motor port: P1.0, P1.1, P1.2, P1.3, remote control interface P3.2 Speaker p3.7