2003-05-22_ps2kbd_fw

超声波测距，在51单片机内核下的超声波测距程序，比较精简，希望大家受用。(Ultrasonic ranging, in 51 single kernel of ultrasonic distance measurement procedures, more streamlining, I hope everyone is good enough.)

这是一个51单片机小程序，功能是实现跑马表，只有三位。(This is a small program the microcontroller 51, the table function is to achieve the Happy Valley, only three.)

一台安捷伦的N9020A频谱分析仪，所带的例子是GPIB连接的，现在用LAN来连接。 (Agilent N9020A spectrum analyzer, the example brought to GPIB connection, use the LAN to connect.)

2014/3/12飞思卡尔光电组函数，线性ccd二值化成功，ccd控制舵机转角成功，直流电机成功，速度PID模块不成功，可以一战。(2014/3/12 Freescale photoelectric set of functions, linear ccd binary success, ccd control steering angle is successful, the success of the DC motor, the speed PID module fails, you can fight.)

STM8S系列单单片机教程，第三课，教你从零开始学会使用蜂鸣器，让蜂鸣器唱歌吧(STM8S series single chip tutorial, the third lesson, teach you from scratch to learn to use the buzzer beeper to sing)

飞思卡尔单片机xs128AD模数转换代码(Freescale microcontroller xs128AD of analog-to-digital conversion code)

电池保护板检测，检测电池的电压、电流和温度代码。 (Battery protection board testing, test the battery voltage, current and temperature code.)

基于stm32的定时器中断应用，可产生相位差为90度的两路周期性脉冲，可用于模拟正交编码器脉冲(Stm32 timer interrupt based applications can generate a phase difference of 90 degrees two periodic pulse, can be used for analog quadrature encoder pulse)

国外PLC设计的原理图和PCB(Principle foreign PLC design and PCB)

简明的循环码C++编译程序，有二种编码方案可以采取(Condensed a cyclic code C++ compiler, there are two kinds of coding schemes can be taken)