使用qt4.7.4版本在arm板上可以跑的qt例程，最经典的Makefile模版，直接修改可用，网上极难找到的实用模版，绝对原创！-qt4.7.4module，which Makefile is very rare！Is useful，and difficlut found

To play with 7 segment LED in ARM dev Kit. Linux driver module code is uploaded. User module code also worked