74LS244 done with single

51单片机5043eeprom驱动程序源码肯定是好地，大家好好用吧！-51 SCM 5043eeprom driver source code is certainly well, we make good use!

本程序是基于avr单片机的atmega48的控制16*4点阵型液晶。其中main文件调用LCD.c和LCD.h文件。用户可以直接把工程中的LCD.c和LCD.h文件放到自己的程序目录下即可。-This procedure is based on the avr SCM atmega48 control 16* 4:00 LCD. Main document which calls LCD.c and LCD.h document. Users can directly to the project document LCD.c and LCD.h procedures on their own directory can be.

单片机的c语言的编译软件，最新的keil 2英文版。-keil 3

ATMEL公司的AT89S系列51单片机ISP软件-ATMEL the AT89S Series 51 software microcontroller ISP

keil c51实现的串口程序仿真,C51单片机串口编程实例.非常不错!-Keil decoder serial procedures to achieve the simulation, C51 microcontroller serial programming examples. Very good!

DESCRIPTION This function initializes the pointers in the _pid structure 　　to the process variable and the setpoint. *pv and *sp are 　　integer pointers.-DESCRIPTION This function initializes the pointers in the _pid structure to the process variable and the setpoint.* Pv and* sp are integer pointers.

正转，转四相步进电机，每相间隔70ms。C51程序 51单片机通用。-Is to switch to four-phase stepper motor, each interval of 70ms. 51 Single-chip Universal C51 procedures.

51做的门禁系统代码，有4×4键盘扫描，9346的存储功能，掉电不丢失密码，3重密码防忘记功能-51 of the Access Control System code, a 4 4 keyboard scanning, the 9346 storage functionality, nonvolatile not lost password, three heavy-forget the password function

此书为keilC的调试心得，有助于开发过程中错误的理解，积累开发经验！-Debugging keilC book for ideas and help to develop understanding of the process error, the accumulation of development experience!

51单片机学习最好的途径，每章节都有程序作附件-51 SCM best way to learn, each chapter has procedures in Annex