数码管显示，通过c语言编程，然后下载到单片机，在工程中模拟成功。-Digital display, through the c programming language, and then downloaded to the microcontroller, analog successful in engineering.

基于C51单片机开发板的礼花倒计时数码管点阵显示，采用C语言编程。-Digital countdown fireworks lattice C51 microcontroller based development board display, using the C programming language