zhe-ren-yi-biao

说明：  用4*4矩阵键盘给液晶1602送四位数，其中第四行按键设置为功能键，按键显示可调对应位的数字(With 4* 4 matrix keyboard to send the four-digit LCD 1602, the fourth line of buttons is set to function keys, adjustable button displays the corresponding number of bits)

GT400运动控制系统上位机轮廓插补控制程序(GT400 motion control system host computer contour interpolation control procedures)

通过上位机来控制LED显示的数字内容，主要是动态显示数字变化情况(Through the host computer to control the LED display digital content, mainly dynamic display of digital changes)

ARM串口应用例子，适用于NXP23系列CPU,封闭式总线，采用内部FLASH及RAM.(ARM serial port application example for NXP23 series CPU, closed-end bus, using the internal FLASH and RAM.)

$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

利用定时器产生PWM，使LED灯由亮到灭，由灭到亮逐步变化( Use timer produce PWM, make the light to destroy LED lamp, the gradual change to light out )

stm8单片机实现了控制bldc轮毂电机的控制，用了6个mos管，采用六部控制，里面有 pcb sch 和程序，可以用此资料改装成电动自平衡独轮车(Stm8 microcontroller realized control BLDC hub motor control, with 6 mos tube, using six control with Sch and PCB program, this information is converted into electric self balancing unicycle)

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)

SQL Server 2005 Service Broker (SSB) is an asynchronous messaging technology built into SQL Server. With SSB, you essentially get the power of messaging technologies like Microsoft Message Queue (MSMQ) combined with the relational database capabilities of SQL Server, all controlled with Transact SQL statements(SQL Server 2005 Service Broker (SSB) is an a synchronous messaging technology built into S QL Server. With SSB. you essentially get the power of messaging tech nologies like Microsoft Message Queue (MSMQ) c ombined with the relational database capabili ties of SQL Server, all controlled with Transact SQL statements)

AT89C51控制步进电机，实现正反转加减速，驱动芯片是ULN2803.(AT89C51 control the stepper motor to achieve reversing acceleration and deceleration, the driver chip is the ULN2803.)