FreeBSD-Handbook

基于STM32的采集ADC通过串口显示ADC值的程序 需要用到串口调试大师 自行下载(Download need serial debugging Masters program through the serial port of the ADC value based on the STM32 the acquisition ADC)

solving equation by matrix program

ChipGenius是一款USB设备芯片型号检测工具，可以自动查询U盘、MP3/MP4、读卡器、移动硬盘等一切USB设备的主控芯片型号、制造商、品牌、并提供相关资料下载地址。当然也可以查询USB设备的VID/PID信息、设备名称、接口速度、序列号、设备版本等。 　　 软件绿色小巧，即插即用，是数码消费者、电子爱好者、DIY人士和数码维修人员身边的好帮手。(ChipGenius is a USB device chip model test tools, can automatically query U disk, MP3, MP4, mobile hard disk and all card reader, USB device control chip maker, brand, models, and provide the relevant material. Of course the USB devices can also query information, equipment VID/PID speed interface name, version number, equipment, etc. Software green compact, plug and play, is a digital consumer, electronic enthusiasts, DIY and digital maintenance staff good helper.)

摘 要 电机转速是电机的一个极为重要的状态参数 文中介绍了几种基本的电机转速测量 方法 并对这些测量方法进行了比较 给出了基于加速度计进行电机转速测量的硬件电路设 计方法和测试系统的工作原理(Summary of the motor speed is an extremely important motor state parameters paper describes several basic motor speed measurement methods and these measurements were compared based on accelerometer gives the motor speed measurement hardware circuit design and test systems Works)

动压气体轴承的动态刚度和动态阻尼系数 (Dynamic pressure gas bearing dynamic stiffness and dynamic damping)

3.2寸宝马LPC1768开发板LED屏的基础代码(3.2-inch BMW LPC1768 development board LED screen based code )

说明：  只适用于特定的黑线地图，主要是分享编程思想和方法，需要别的地图的话，要自己编写(Only applicable to specific black line maps, mainly sharing programming ideas and methods)

说明：  采用STC15W402单片机控制的电路及源程序，已批量生产；(The circuit and source program controlled by stc15w402 single chip microcomputer have been mass produced;)

说明：  在STM32开发平台下，通过定时器的时钟配置，进行的PWM互补带死区的方波对电机进行控制。(Under the STM32 development platform, the PWM complementary square wave with dead zone is used to control the motor through the clock configuration of the timer.)

室内报警系统（51单片机实现）,实现室内温度监测，室内气体异常监测，室内安全监测！(Indoor alarm systems (51 MCU) realize the indoor temperature monitoring, anomaly monitoring indoor air, indoor security monitoring!)