Protel 99中的快捷键 非常好用

是台湾松翰公司8位单片机编程器的英文使用说明。-Taiwan Sonix 8-bit single-chip companies programmer for use in English.

基于AT89C52的单片机4X4键盘原理图，可用于小系统板-Based on AT89C52 microcontroller 4X4 keyboard schematics, can be used for a small system board

MS-51 高级应用程序库，欢迎各位大虾下载交流分享，望多多上传，资源共享-MS-51 high-level application library, to welcome you to download the exchange of shrimp to share, hope lot of uploading and sharing resources

用单片机8051控制DS18B20温度传感器，包括温度上下限的设置（可以通过串口及时设置进DS18B20），读取及时温度，当温度超过上下限报警功能。-8051 using single-chip temperature sensor DS18B20 control, including the upper and lower limits of temperature settings (through the serial port settings into timely DS18B20), read the timely temperature, when the temperature exceeds the alarm function of the upper and lower limits.

读取韦根数据转换成RS232后传给上位机的程序-Wiegand reader into RS232 data to the host computer after the procedure

c8051fxxx单片机所有外设C例程，希望对大家有用。-c8051fxxx Microcontroller C routines for all peripherals and hope for all of us.

8051单片机开发工具DIY-8051 DIY Tools

LED信息显示屏系统的分析与设计，完整的单片机设计毕业论文。打开前请安装pdf阅读器。直接打开default.htm即可阅读。-LED information display systems analysis and design, a complete single-chip design thesis. Open before the install pdf reader. Can be read directly open default.htm.

用AT89C2051实现程序A/D转换程序，用PWM模拟输出。-Procedures using AT89C2051 realize A/D conversion process, using PWM analog outputs.

利用FIFO数据结构,在8051单片机上实现全双工通讯,实现MODBUS通讯协议-Use of FIFO data structure, in 8051 to achieve full-duplex communications, realize MODBUS communication protocol