4*4键盘扫描 参数以定义 直接使用

采用东芝TDA7495/TDA7496芯片（已经形成产品）制作的高保真立体声音频放大器PCB裸板图-Toshiba chips used TDA7495/TDA7496 (has been formed products) produced by high-fidelity stereo audio amplifier PCB bare board diagram

keil c51开发的8279和51单片机通用键盘控制和Led显示及uart通信程序。-Keil decoder developed by 8279 and 51 general-purpose keyboard control and Led Display and uar t Communication Program.

用VKDL语言编写的PWM控制程序很有用本例只做了5路PWM-VKDL languages with PWM control procedures useful in this case only a 5 PWM

四位LED数码显示驱动管动态扫描驱动单片机源程序-four LED digital display driver Dynamic scanning driver single-chip microcomputer

奉献：2812的原理图 [日期：2005-11-29] 来源：侃单片机 作者：etiller [字体：大 中 小]

FAT32文件系统的存储机制及其在单片机上的实现,已通过-FAT32 file system storage mechanism and its application in the realization of single-chip, has passed

源程序51与PC通信原理及实现.rar-source 51 and PC Communication Theory and Implementation. Rar

单片机的数字时钟例程,定义运行状态,可以调整倒计时分,小时调整等.-SCM digital clock routines, the definition of operations, the countdown can be adjusted, such as the adjustment hour.

PIC单片机与MAX517的串行通讯程序-PIC microcontroller with Between MAX517 serial communication program

这是微软的一个USB同步传输例程，虽然它是基于Intel USB开发板的，但是也很值得我们好好的研究。-This is a USB synchronization routines, although it is based on the Intel USB development board, but also worthy of our good look.