PWM温度控制的，将风扇等制冷设备连接到单片机的指定IO口上即可实现设备输出功率的人工控制。...

51单片机与艾默生变频器的通讯程序,对工控开发人员有帮助-Single-chip inverter 51 and the communication procedures Emerson

一种很好的键盘键扫描方法，对初学者有大大的帮助。-A good keyboard key scanning method, has greatly help beginners.

学习用，使用前，认真阅读，按实际情况更改IO口！-to study, use, read carefully, according to the actual situation changes IO mouth!

我同事做的一个CS5522的51单片机的驱动,用的是89S52,开发环境是KEIL C-my colleagues do a CS5522 51 MCU-driven, with the 89S52. Development environment is KEIL C

恒压供水测试程序，用的是51系列的单片机-constant pressure water test procedure, the 51 series of MCU

430做的一种门控系统的程序，用到变频器，482通信协议等-430 to do a door control system of procedures, using inverter 482, such as communication protocols

单片机最小系统原理图.protel绘制的.比较经典.-The smallest single-chip microcomputer system schematic. Protel drawn. Comparison of the classic.

TINI平台可提供设计IP网络继电器所 需的TCP/IP栈和本地控制,Java运行环境可以大大降低设计-TINI platform will provide IP network design needed to relay the TCP/IP stack and local control, the Java runtime environment can greatly reduce design

伟福 WAVE6000 环境下 MCS51汇编调用C51例程-Wei Fu WAVE6000 environment MCS51 compilation called C51 routines

用反转法实现快速高效的4*4键盘扫描，并通过串口将按键值输出-Inversion method with fast and efficient implementation of the 4* 4 keyboard scanning, and send out the key value through the serial port