vb编写的简单的pid控制。纯vb编写，没有用其它任何控件，对界面编写和pid控制都会有帮助，谢谢。-vb prepared pid control simple. Vb net to prepare, did not use any other controls on the preparation and pid control interface will be helpful, thank you.

一个比赛用的计时器，大字体显示。具有掉电重启继续计时的功能。用VB编写代码，用单个字符单个LABEL控件的方法防止闪烁。-A race timer, large font display. Power off timer function to restart continue. With VB code with a single character single LABEL control method to prevent flicker.