用单片机驱动LED数码管有很多方法，按显示方式分，有静态显示和动态（扫描）显示，按译码方式可分硬件译码和软件译码之分-Microprocessor control with LED digital there are many ways, according to display points, there is a static display and dynamic (scanning) showed that by decoding methods can be divided into hardware and software decoding of the sub-decoding