LQmma7455C52

基于美国PARKER运动控制器开发的多轴运动控制界面，包括直线，圆弧插补等，界面友好，直观(PARKER motion controller based on U.S. developed multi-axis motion control interface, including linear and circular interpolation, etc., user-friendly, intuitive)

SD Specifications_Ver3.01

51单片机考勤系统下位机程序，可以配合上位机软件实现考勤功能，将hex文件下载到51单片机即可使用(51 MCU control procedures can be achieved with the PC software attendance function, the hex file into the microcontroller 51 can be used)

数字电压表的源程序，可以实现实现测量电路的电压，精确到小数点后面三位数字。附带数字电压表的流程图(Digital voltage meter source, can be implemented to realize the voltage measurement circuit, down to the decimal point three digits.Attached flowchart of digital voltmeter)

K60实现16bitadc采集，可移植性强。(K60 achieve 16bitadc collection, portability.)

说明：  该源码实现51单片机之间符合modbus通信协议的通信(This code can achieve communications between MCS51 by modbus protocol. )

这是一份设计报告，内容为2FSK的数字通信系统，里面有仿真图和电路图(This is a designing report about 2FSK digital communication system)

HONEY实现工业控制过程的系统,进行任务调度.(HONEY process of industrial control systems, task scheduling.)

NPN silicon planar epitaxial transistor encapsulated in a SOT223 surface mounted envelope and designed primarily for use in hand-held radio equipment in the 470 MHz communications band.

串口通信传输与接收。既：发送一个字节到MCU,再由MCU发回来。(Serial communication transmission and reception. Bothto send a byte to the MCU, and then sent back by the MCU.)