软件模拟串口

51单片机实用子程序库-51 SCM practical subroutine library

单片机模拟IIC总线程序包-IIC-bus single-chip simulation package

这是用单片机实现的多功能数字钟,通过8255扩展端口,AD0809将模拟信号转换成数字信号进行处理,可以比较精确的测出电压值.-This is the MCU multifunction digital clock, through the 8255 expansion port, AD0809 a conversion of analog signals into digital signal processing, more precise measuring the voltage values.

51单片机串口通信汇编语言源代码，发送端和接收端的-51 Single-chip serial communication assembly language source code, the sending end and receiving end

低压电力线载波调制解调器通信运用源代码，电力猫在集中抄表中稳定使用-Low-voltage power line carrier communication modem to use the source code, the power meter reading in the cat in the concentration of Stability

该头文件配合key.c，在main函数中调用key.c，都文件中添加key.h，使软件更清晰，一目了然-The header file with key.c, in the main function call key.c, all files add key.h, so that software is more clear at a glance

通信工程系专业综合设计C51单片机的键盘去抖程序,-communications professional engineering design C51 microcontroller integrated keyboard Tremble procedures,

ATMEL 89c51sndc mp3外接硬盘源码-mp3 ecpand hdd drive! 51 source ,mcu is atmel 89c51

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.

电子琴 1． 实验任务 　1． 由 4X4 组成 16 个按钮矩阵，设计成 16 个音。 　2． 可随意弹奏想要表达的音乐。-a flower. An experimental tasks. Formed by the 4x4 matrix button 16, 16 designed to sound. 2. Free expression want to play the music.