danpianjicommumition

说明：  12887的应用 at89c52 实现对时间的精确控制(Application 12887 to achieve precise control of time)

给正弦波、方波、三角波等波形进行加噪，可加各种噪声(To sine, square, triangle wave waveform plus noise, you can add all kinds of noise)

基于stm32 的直流无刷电机驱动程序,BLDC 三相直流无刷电机，无霍尔传感器，速度PID环(Based stm32 DC brushless motor driver, BLDC phase DC brushless motor without Hall sensors, speed PID loop)

使用DataAdapter对数据库进行操作 将SQL-search.aspx程序可改为使用DataAdapter对数据库进行操作. 程序使用"Dim objAdapt As New OleDbDataAdapter(strcmd,objCon)"创建了DataAdapter对象。(Use DataAdapter to operate the database The SQL-search.aspx program can be changed using the DataAdapter to operate the database. The program uses "Dim objAdapt As New OleDbDataAdapter (strcmd, objCon)" Creating a DataAdapter object. )

pic单片机用的nokia3310驱动（CCS平台下和Pbasic平台下）(pic Singlechip nokia3310 driver used (CCS platform and platform Pbasic))

矢量传感器的声强法定向程序。利用矢量传感器输出生涯和阵速的相关性，求出平均声强可以提高定向精度的方法。(Sound intensity vector sensors to the statutory procedures. The use of vector sensor array output career and the relevance of speed, calculated the average sound intensity can improve the directional accuracy of the method.)

在单片机上运行的简单的颜色跟踪算法,中文注释(Running on the microcontroller simple color tracking algorithm, Chinese Notes)

采用霍尔传感器3020T,根据霍尔效应原理,在电机转轴边沿上放一永久磁钢,转轴附近放一个别3020T,当转轴旋转时,受磁钢的影响,霍地尔器件输出脉冲信号,送至单片机中断引脚,转速计数加1,单片机内部产生5s的定时,计算出1分钟的转速,送至显示单元,(Using Hall sensors 3020T, according to Hall-effect principle, the motor shaft of a permanent magnet placed on the edge, do not put a shaft near the 3020T, when the shaft rotates by magnet effect, HUO Di Seoul device output pulse signal, sent to microcontroller interrupt pin, speed count plus 1, the microcontroller internally generated timing 5s to calculate the speed of 1 minute, sent to the display unit,)

private static final long serialVersionUID.

使用A/D控制PWM输出,已经通过测试,可以运行，性能稳定(The use of A/D control PWM output, has passed the test, you can run, stable performance)