ddbtopcb

设计进程控制块PCB的结构，建立进程就绪队列，编制最低松弛度优先调度算法(windows operate systerm)

用C8051F020实现正弦波的程序设计(Program designed to use the C8051F020 achieve sine wave)

说明：  台达PLC Modbus协议通信dll com控件(nothing)

单片机播放 音乐 是学习的好资料 音频学习

基于单片机的霍尔传感器测速源码，带有蜂鸣器报警功能。(Hall speed sensor based on single-chip computer source, with a buzzer alarm function.)

STM32F103VET6下的SD卡驱动，有需要的朋友请下。(rfef fsdfiw )

钢轨磨耗测量系统，属非接触式测量，实现了钢轨磨耗的快速，精确测量(Rail wear measurement system is a non-contact measurement, the rail wear realize fast, accurate measurement)

用C语言对LED灯进行测试 通过实际按下键盘进行测试笔(the test of LED with C language and the keyboard is a necessity )

单片机联网的UIP协议程序，以及必要的驱动程序。(Networked microcontroller UIP agreement procedure, and the necessary drivers.)

宽频放大器,有以下功能: 预置增益,增益加/减,显示输出电压有效值,自动增益 显示有效值. 增益输入及加减 自动增益没有实现(Wideband amplifier has the following functions: Preset gain, gain plus/minus, the display output voltage RMS, automatic gain display rms. AGC gain input and subtraction is not implemented)