Ultrasonic-Ranging

单片机的40个实验，这个很全的，是一个很好的东西，希望大家好好使用它。(SCM 40 experiment, this is very full, is a very good thing, hope everyone to use it. )

VB 开发C51的动态链接库，可以拿来直接用的，(VB-C51 dynamic link library that can be used directly, and)

射频技术 基于rc500的射频开发系统 频率稳定 不易失真(RF radio frequency technology development system based on rc500 frequency stability is not easy distortion)

电子万年历设计，有程序和电路图，已经经过调试成功，希望对需要的人们，提供这一资料(Electronic calendar design, there are programs and schematics, has been successful commissioning hope that people need to provide this information)

光立方源程序代码，经本人使用，确定为可用程序，有详细注解(Light cube source program code, after I use, determine the available procedures, a detailed explanation)

c++ effective系列丛书电子版(c++ effective electronic version of the book series)

例子\Proteus经典例子和中文资料 8051(Examples of classic examples of Proteus and Chinese information 8051)

$regfile = M8DEF.dat internal crystal 8000000 Config Lcdpin = Pin , Db4 = Portc.1 , Db5 = Portc.2 , Db6 = Portc.3 , Db7 = _ Portc.4 , E = Portd.2 , Rs = Portd.3 Config Lcd = 16 * 2 Config Timer1 = Counter , Edge = Rising Ddrb.1 = 0 : Portb.1 = 1 PULL UP RESISTOR ACTIVATED Config Timer0 = Timer , Prescale = 1024 Enable Counter1 Enable Interrupts Enable Timer0 Enable Timer1 On Ovf1 Pulsecount On Ovf0 Ovf0occures Dim A As Long , I As Long , B As Byte B = 0 Cls Start Timer0 Do Loop End end program Ovf0occures: Incr I If I > 30 Then Stop Timer0 Cls : Home A = B * 65536 A = A + Counter1 Lcd FREQ IS : A HZ B = 0 I = 0 : Counter1 = 0 Start Timer0 End If Return Pulsecount: Incr B Counter1 = 0 Return

水循环系统、温度信号采集系统、制冷及制热系统、内嵌体温调节算法的温度主控单元软件编写，基于atmega128(Water cycle system, temperature signal acquisition system, cooling and heating system, inline thermoregulatory algorithm of temperature control unit writing software, based on the atmega128 )

使用VB与PIC采集,采用软件中断方式，使用研华1710集成卡。(Using VB with PIC acquisition, the software interrupt, use the the Advantech 1710 integrated card.)