基于51单片机的液晶12864图片驱动及串行收发程序

关干高速PCB设计的设计技巧，PCB硬件开发指南。-Dry off the design of high-speed PCB design techniques, PCB hardware development guide.

是一个简易的密码锁代码，有基本的密码验证，密码修改等等功能！希望可以帮助有需要的朋友们-Is a simple password lock code, has the basic password authentication, password modification and so on! Hope that we can to help those in need of friends

AT89C52芯片的中文资料。包括内部结构，寄存器，及时序图-AT89C52 chips Chinese data. Including internal structure, registers, and timing diagram

好实用的好东东，快下呀！--Infrared ray communication design based on SCM.

本人上传的是 单片机 利用定时器演奏音乐.asm 源代码 -I upload using the single-chip timers playing music. Asm source code

液晶JCM12864M的中文技术手册，调试通过绝对正确的C代码，请大胆使用-LCD JCM12864M Chinese technical manuals, commissioning through the absolutely correct C code, making bold use of

这是一个超市存物箱模拟装置程序，能实现存取，修改密码，管理员设置等功能。-This is a supermarket deposit box simulator complex procedures, to achieve access, modify passwords, administrator functions.

这是本人在毕业课程设计制造的51单片机的仿真器,其中有电路图和上下位机的程序.PCB板走线图-this is my graduate courses in the design and manufacture of 51 MCU simulator, which is next circuit and crew procedures. PCB alignment map

单片机51，C语言，病房呼叫系统，课程设计作业，希望对有些人有帮做-Single-chip 51, C language, ward call system, curriculum design operation, in the hope that some people have done to help

1.利用PWM控制占空比实现LED的亮暗。 2.可以用UP DOWM键进行控制亮暗。 -1. The use of PWM duty cycle control to achieve the bright LED dark. 2. Can be used to control button UP DOWM bright dark.