4x4矩阵键盘数码管显示键值,按下4*4矩阵键盘，可以看到数码管的最后一位显示了对应按健的健值....

led 灯显示名字！来回的显示名字！自创的！-led light display name! Return the display name! Created!

基于C51开发的 LCD+视频+代码+超强功能+电路图.-C51-based development LCD+ Video+ Code+ Superacid functional+ Circuit.

Mifare1 S50 IC卡密钥替换工具，用作卡初始化-Mifare1 S50 IC card key replacement tools, used for card initialization

自己写的关于车台控制面板的演示程序，有兴趣，可以查看-Write their own control panel on the car of Taiwan demo program, are interested in, you can view

单片机秒表课程设计-SCM stopwatch curriculum design

这是一个本人编写的程序，单片机89C52，主要是通过计量芯片ATT7028测量输入端的电压电流及电压电流间的各个夹角值，比较有用-This is the one I prepared procedures, 89C52 microcontroller, mainly through measuring chip ATT7028 measuring the input voltage and current, voltage and the current value of various angles, more useful

单片机采集数据，并驱动74hc595显示采集数据-Single-chip data collection and data-driven acquisition 74hc595 show

这篇程序是我一个同学编的,并且已经应用到了二相步进电机(四线步进电机)上了.但是我认为此程序需要改进的地方有很多. -This procedure is a fellow student, I made and have been applied to a two-phase stepper motor (four-wire stepper motor) on. But I think this process needs to be improved where there are many.

单片机音乐 音乐编程 通过蜂鸣器发出讯响 只要通过修改 后面的音乐程序里面的码 表就可以自己谱曲唱歌！ 前一个参数为按照编码表给定，第二个参数为节拍数 -MCS Music music programming through the buzzer sounded after hearing sound of music as long as the procedure by modifying the code inside the table you can compose their own singing! Before a parameter is given in accordance with code table, and the second parameter is the number of beats

通讯规则: 1:时钟7.3728 MHz/波特率9600/9个数据位/奇校验/1个停止位/硬件多机通讯功能/ 2:通讯连接采用硬件MAX485,双向单工 3:每个上行/下行的数据包的字节个数都是一样的(通讯数据量) 4:每个上行/下行的数据包都采用CRC8校验 5:数据接收采用中断+查询的方式 6:总是由主机向从机发送一个数据包,从机收到数据包后向主机回复一个数据包 7:不管是主机还是从机,如果收到的数据包有任何错误,都将丢弃该数据包,等效于没有接收 8:从机之间不能相互通讯,必须通过主机才能交换数据 9:无效地址是0,主机地址是1,从机地址是2.3.4......广播地址是255 -err