用于新手熟悉嵌入式Linux设备驱动开发方法，驱动LED灯，七段数码管，和按键的代码-For the novice familiar with the embedded Linux device driver development, code-driven LED lights, seven segment LED, and buttons

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

基于HT1621的lcd段式液晶源码驱动，内附手册资料。方便移植，直接调用-Based on the lcd HT1621 Segment LCD source driver, enclosing manual data. Easy to transplant, direct call

这是一款用multisim画图而成的数字万年历，月日的各位用七段数码管显示，十位用LED的亮灭显示。星期用七段数码管显示。-This is a drawing made with multisim digital calendar, you use the day of the seven-segment LED display, ten off with bright LED display. Week segment digital tube display.