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一个数字类型可提高开关电源的设计与实现，可以是很好的借鉴，但是要用特殊软件打开，把文件后缀复制到百度就可以找到(A digital type can increase the switching power supply design and implementation, can be a good reference, but use special software to open, copy the file suffix can be found on Baidu)

xl系列单片机实验仪演示程序 LCD1602显示 步进电机控制器速度方向圈数可调 LCD1602显示 步进电机控制器速度方向圈数可调 K1－启动与停止步进电机运行 K2－设定步进电机运行圈数 （1-20圈） K3－设定步进电机转动方向 K4－设定步进电机运行速度 步进电机的转速控制分16档，数字越小，转速越快。 7.5度步进电机；周期7.5×4=30度，电机转动一圈需12个周期 资源：p1.0-p1.3接反向器74ls14，输出后接步进电机 p3.7接小喇叭提供按键音, p1.4-p1.7接端口按键：lcd1602插入实验仪(xl Series Singlechip Experiment LCD1602 demo program shows the direction of stepper motor speed controller circle shows the number of adjustable LCD1602 direction stepper motor controller lap speed of a few adjustable K1-start and stop the stepper motor running K2-setting step motor running a few laps (1-20 laps) K3-set stepper motor rotation direction of K4-setting speed of stepper motor stepper motor speed control minutes 16 stalls, the number of smaller, faster the speed. 7.5 degree stepper motor cycle of 7.5 × 4 = 30 degrees, rotating electric lap 12 cycles required resources: p1.0-p1.3 then reverse browser 74ls14, followed by stepper motor output p3.7 then provide a small speaker key tone, p1.4-p1.7 port access keys: lcd1602 insert Tester)

用C语言实现matlab的butter函数中低通和带通功能,高通和带阻没写,有兴趣的可以自己加入.(Using C language to achieve matlab butter function low-pass and band-pass function, high pass and band stop did not write)

开关记忆和18B20在12864显视和读写24C20(Switch Memory and 18B20 were in the TV and read 24C20 12864)

固高运动控制卡GE-400-SG随机光盘(GoogolTech GE-400-SG accompany CD)

msp430 LCD12864 test program, beginners essential for college students SCM contest entry procedures, enclosing the source, and Chinese comments

配电网零序电流故障定位方法在PSCAD中的模型搭建，可以调整故障类型和短路电阻等进行故障模拟(The fault location method of zero sequence current in distribution network is built in PSCAD, which can adjust the fault type and short circuit resistance. )

live media This library is free software you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation

motor_control_library_v0_10.zip park SVPWM(motor_control_library_v0_10.zip park SVPWM)

说明：  osg中的switch开关功能，可以显示场景中想要看到的节点。(osgswitch)