C8051F020 control unit for use in the 74LS165 and the 74LS595 data communication...

单片机上支持SD卡。SPI方式通讯，速度几十K-Single-chip support for SD cards. SPI communication, the speed of dozens of K

简易数字电压表可以测量0-5V范围的8路电压值，并在4位LED数码管上轮流显示或单路选择显示。-Simple digital voltage meter can measure the range of 0-5V Voltage road 8, and 4 digital tube LED display on a rotational basis or choose to display a single road.

Max7219驱动四位数码管LED，用于AVR mega64单片机，已经调试通过。-MAX7219 drives four digital tube LED, used for single-chip AVR mega64 have been debug through.

MSC-51 3字节和4字节浮点数计算程序，主要用于数据采集及上传，经过IEEE转换，在上位机直接显示-MSC-51 3-byte and four-byte floating point calculation procedure used mainly for data acquisition and uploads After IEEE conversion, the PC directly show

用于检测DS18B20 用keil生成hex再用-For the detection of DS18B20 generated using keil reuse hex

电梯的51单片机控制资料(电路图+工程代码)-51 Singlechip elevator control data (circuit diagram+ Project code)

矢量变频器控制源程序-vector converter control program

简单实用的单片机CRC快速算法-simple and practical algorithm for fast MCU CRC

由sEOS简化来得，应用于51的简单OS，主要是时间的管理，没有更多的功能，但是分实用-sEos by more simplified, for the simple 51 OS, is time management, no more functional, but the practical points

采用合泰ht45rm03单片机的电动车无刷控制器源程序。-Hetai ht45rm03 using SCM source controller brushless electric cars.