无轴承永磁同步电机无位置传感器及控制研究，一篇博士论文，挺实用，希望对电机设计的朋友有所帮助。
Bearingless permanent magnet synchronous motor without position sensor and control research, doctoral dissertations, very practical, hopes to be helpful friend of motor design (2016-01-24, VBA, 26527KB, 下载7次)
ADS变压器编程，可以对输入数据进行变压器计算单
ADS transformer programming (2012-11-28, VBA, 1160KB, 下载2次)
超声波测距器,采用AT89C52,12MHz晶振,采用共阳LED显示器。测距范围10cm-5.5m，堆栈在4FH以上，20H用于标志，显示缓冲单元在40H~43H,使用内存44H、45H、46H用于计算距离。
Ultrasonic range-finder, using AT89C52, 12MHz crystal, with a total positive LED display. Distance Range 10cm-5.5m, the stack above the 4FH, 20H for signs, display buffer unit in the 40H ~ 43H, using memory 44H, 45H, 46H used to calculate the distance. (2011-01-14, VBA, 2KB, 下载3次)
用vb来显示工业控制过程中的数据点的采集，并且绘制出波形
Industrial Control using vb to show the process of collecting data points and draw out the waveform (2010-05-25, VBA, 1317KB, 下载17次)
开关电源变压器计算公式,Excel形式,原理公式可通过点击单元格显示.希望对您的嵌入式开发有帮助.
Switching Power Transformer formula, Excel form, the principle of the formula can be displayed by clicking on the cell. Hope for your embedded development helpful. (2008-12-09, VBA, 4KB, 下载64次)
电子秒表要实现的功能：用键盘中断来控制整个程序，按一下回车键启动电子秒表，再按一下暂停，按一下ESC键清零，用七段数码管显示时间。整个程序涉及到8255、8253与8259三个芯片。8253的OUT2，CLK2分别连接8259的IRQ7与PCLK，8253的GATE2连接正5伏电压，采用计数器2每隔0.01秒产生一次中断并且计数，写入以偏移地址4000H开始的4个内存单元，然后利用8255将内存单元的数据输出到七段数码管
err (2008-01-11, VBA, 18KB, 下载85次)
与不同的外部设备连接需要不同的通讯电缆。为避免发生通讯的问题，请在连接RS485/485 的设备时注意通讯电缆长
度不要超过150 米，在连接RS232 设备时注意通讯电缆的长度不要超过15 米
With different external devices require different communication cables. To avoid communication problems, please connect RS485/485 communications equipment for the attention of cable length should not exceed 150 meters, connecting RS232 devices to observe the length of communication cable not over 15 meters (2007-10-26, VBA, 391KB, 下载1次)