在LCD屏幕上显示秒表计时，并利用按键控制秒表的开始与暂停及清零。同时LED灯呈跑马灯闪烁-Displayed on the LCD screen stopwatch timer, and stopwatch using buttons control the start and pause and clear. LED lights were also flashing marquees

先lcd屏幕中部开始显示4行的一首诗，在定时器控制下垂直滚动，直到整首诗逐渐从屏幕最上边消失，然后又从屏幕下沿逐渐出现。并如此循环不止-Middle of the screen started to show the first 4 lines of a poem, under the control of the vertical scroll in the timer, until the whole poem gradually disappear from the screen the

基于ARM9的TQ2440开发板的编程，实现动态点亮灯泡，通过触摸屏幕的灯泡实现板上的LED点亮，远程控制。-ARM9、TQ2440，light a LED