232同485转换的pcb图，有需要的只要稍加修改一下就可以了

Atmel Uart C51程序（timer1方式）-Uart (timer1 way)

51的GPIO模拟iic的驱动程序，用宏来定义硬件管脚，容易移植，keil平台-51 GPIO IIC driver simulation, using macros to define the hardware pin, easy to transplant, keil platform

利用汇编语言，设计一个读取环境中的温度并显示出来的系统-The use of assembly language, design a reading environment temperature and display system

在51单片机上实现TCPIP协议栈，对想学习TCPIP的朋友有一定帮助。-51 SCM in achieving TCPIP protocol stack, and a friend want to learn TCPIP has certainly helped.

AVR驱动18B20例子 AVR驱动18B20例子-AVR-driven examples of AVR drive 18B20 example 18B20

用数码管显示测得的心率值。并控制发光二极管的亮灭。-Digital display of heart rate measured value. And control of light to eliminate light-emitting diodes.

有电路图和程序,都是正确的.如果有问题可以到我的博客 去留言,大家相互学习-A circuit diagram and procedures are correct. If the problem can go to my blog to the message, we learn from each other

单片机高等学校教材-SCM College Books

串口485通信的好范例子，在工程实践已经调试过了的，抗干扰性好-A good example of serial communication sub 485, in the engineering practice has been passed to debug, and anti-jamming good

用于conextop(串口转以太网)的程序，已经测试通过了，非常好用。并且可同过网络调试助手，查看结果-For conextop (Serial to Ethernet) process has been tested, and very easy to use. And can be the same over the network debugging aids, view the results