这是一个4*4键盘程序,已通过串口检测,效果还不错，给需要的朋友的一个参考。...

LED数码管的简单控制程序，7彩变化。有按键可以选择模式。-LED digital tube simple control procedures, 7 color change. Button has the option mode.

51单片机实验用的程序 希望对你能有所帮助 包括跑马 十进制显 电子琴-51 experimental procedures hope you can be helped significantly metric including Happy Valley flower, etc.

MCS-51单片机汇编小程序，键盘控制数码管输出相应数字-MCS-51 single-chip microcomputer to compile a small program, keyboard control of the digital control output corresponding figure

51单片机实现电子密码锁 51单片机实现电子密码锁-51 single-chip electronic code lock

圣诞礼物！满有意思的！为大家奉献-Christmas gifts! Full of fun! Dedication for everyone. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

含交通灯，电子琴，时钟，键盘扫描，串口通信等汇编程序实例，非常适合初学者。-with traffic lights, flower clock, keyboard, serial communications, and other examples of the compilation process and are very suitable for beginners.

暑假为学生培训写的51相关接口的所有源码及项目代码，包括串口通信、IIC、SPI、8255、ADC、PWM、WDT等，并且涉及到一些项目级的封装比如通讯协议等。-Summer vacation for students to write the 51 training-related interfaces and project all source code, including serial communication, IIC, SPI, 8255, ADC, PWM, WDT, etc., and involve a number of projects such as communications package-level agreements.

这个文件是用C语言写的读写FRAM的24C256器件的的源程序。-This document is written using C language to read and write of FRAM source 24C256 devices.

RS-485接口具有较强的抗干扰性，数据传输的距离较远，在一些应用中常常需要把RS-232标准的信号转换为RS-485的标准信号进传输。图中所示电路允许数据在RS-232/RS-485这两个不兼容的串行数据接口间传递。传输速度为480波特时，传输距离可达1750米。图中双RS-232收发器IC1将主机(PC)输出的RS-232电平转换为TTL电平，驱动高速RS-485收发器IC2 的输入，倒相器使IC2、IC3在受到起始位时被激活。-RS-485 trying to lay all the thoroughly bleed at the nose picking up the birthday 扰 fern cavity 强 ， Chu Huai basin cavity beat escapement for the birthday candle远Now ， Which instance, using Beckmannia中

ks0108 12864 液晶的C语言驱动-ks0108 12864 LCD C-language-driven