RS232串口程序，波特率可自行设置，如9600，19200，接收和发送程序...

modbus slave programs MODBUS RTU从站 源程序-modbus slave programsMODBUS RTU slave source

实时程序，对于初学者可以看看 数字I/O的使用 定时器的使用 中断 与PC机进行RS232通信-real-time process for beginners can look at digital I/O using the timer interruption of use for PC and RS232 communication

64输入32输出单片机程序-64 input 32 output SCM procedures

蜂鸣器响 改变蜂鸣器的频率，通过改变延时时间 蜂鸣器的时间要是是靠延时来完成的-Buzzer buzzer ring to change the frequency by changing the delay time if the buzzer is the time to be completed by the time delay

这是一个PCB常用的封装，特别是对于学单片机的同志来说是不可多得的-This is a commonly used PCB package, especially for school comrades Singlechip is rare

tcpip.rar 是一个51控制8019的程序,我已用于商用.还很稳定,有兴趣的可以看一下,对TCP IP UDP ICMP ARP RARP HTTP均可以实现.-tcpip.rar control is a 8019 51 procedures I have used the business. very stable, which is interested can look at it. TCP UDP ICMP IP ARP RARP HTTP are to be attained.

典型的AD和DA芯片的应用，含代码，keil编译文件，pretous仿真文件，可作为此类开发的参考-A typical chip AD and DA applications, including code, keil build file, pretous simulation files, can be used as a reference for such development

KeilC51调试命令大全-KeilC51 commands Daquan

STM32实现读卡器功能,适用于STM32E-EVAL开发板-STM32 card reader function to achieve for STM32E-EVAL development board

usb-isp,直接用usb对avr单片机编程,简单易用-usb-isp, the direct use of usb for avr Microcontroller Programmer, easy-to-use