SwitchForm_用菜单实现视图的切换

小车沿着黑带前进，这事往年一个竞赛题目的程序，对大家有帮助。(The car along the black belt, it past a contest questions purpose program, are helpful to you. )

说明：  Data about C program language. IT s very esay to

基于单片机和C语言的，步进电机加速减速匀速演示，希望方便大家(Based on SCM and C language, stepper motor acceleration and deceleration uniform presentation, I hope to facilitate)

该程序是CRC校验程序，可以查看文件的校验和，这对文件本身进行校验，也可用在其它程序中检难数据正确与否(CRC procedures can view the document and check that the document itself calibration, but also can be used in other programs Frederick hard data are correct or not)

电子温度计，可以准确的测量当前的温度，经过长时间的测量，误差不到1度(Electronic thermometer, you can present an accurate measurement of temperature, after a long period of measurement error less than 1 degree)

锁相环用于电机转速精准检测，资料很不错，值得下载(Phase-locked loop for accurate detection of motor speed)

可以控制辉光管闪烁和时钟计数，并且有灯光亮度控制和背景光控制(It can control the flash and clock counting of the glow tube, and has the brightness control and background light control.)

二维弹性常值边界元程序BEM2C++，二维边界元，弹性静力学(2 Dimensional elastic constant BEM program BEM2C++)

串行da模块的应用，和单片机通信，通过单片机控制da模块(Serial da module application, and single-chip communication, via da MCU control module)

能够非常完美的在LED上显示漂亮的汉字和英文字母，很好啊(Can be perfectly nice in the LED display of Chinese characters and English letters, ah well)