多点触摸屏spec,CAD格式规格书，电阻屏比较实用的原理。-Multi-touch screen spec, CAD format specifications, the principle of resistance more practical screen.

终端实现多任务切换，包括电机的控制切换，LED灯输入任意四位一下数字作为初始计数值，具有定时功能，并可以通过LCD屏幕控制。-Terminal achieve multi-task switching, including motor control switch, LED lights enter any four numbers as the initial count value, with a timer, and can be controlled through the LCD sc