NE5532+ TDA2030 Schematic and PCB

用AVR单片机实现的时钟芯片DS1302的SPI驱动，进行数据传输-With the AVR MCU clock chip DS1302 SPI-driven data transmission

如何在硬件条件允许的情况下在C语言中使用双数据指针提高程序的执行效率,文章还给出了例子程序.-How to hardware conditions permit in the C language using a dual data pointers improve efficiency in the implementation process, the article also gives examples of the procedure.

16x2字符液晶调试程序，在硬件上完全实现．-16x2 character LCD debugging procedures, the hardware fully realized.

读DS1302芯片的时间，并显示在数码管上-Reading DS1302 chip time, and displayed in the digital pipe

这是一个msp430的键盘程序，是一个4×4的行列键盘，是用IO口中断方式实现的-This is a keyboard program MSP430 is a 4 × 4 of the ranks of the keyboard, is to use IO interrupt I realize the

华虹TYPEA射频芯片1507的控制程序，完成TYPEA协议中各指令操作。-Huahong TYPEA RF chip 1507 of the control procedures, the completion of the agreement TYPEA operation of the Directive.

短信实现远程监测系统短 信实现远程监测系统短信实现远程监测系统-SMS Remote Monitoring System Remote Monitoring System SMS SMS remote monitoring system

十五路遥控开关控制器 本程序为接受程序根据此程序可增加遥控路数-Road 15 remote-control switch controller procedures for the acceptance of this procedure in accordance with this procedure can increase the remote control approach

单片机+l298控制两个电机方向和转速，单片机为c8051f330-Singlechip+ L298 control two motor direction and speed, single-chip microcomputer for C8051F330

avr库函数,方便你加到你的系统里!!! !! -avr library function, you add the convenience of your system!!!!!