实现浮点数的LED显示,模拟七段数码管显示数字及小数点,里面还包含数字键输入功能.-The realization of floating-point numbers of the LED display, analog Seven-Segment LED display figures and the decimal point, which also includes a numeric keypad input capabilities.

扫描4X4键盘,当有键按下被识别以后蜂鸣器鸣响一声，并 将键值在数码管和8个LED上显示,同时将键值通过串口发 送给PC机-key

数码管的数字显示，基于fpga的控制，方便学习和参考-LED digital display, fpga-based control, facilitate learning and reference

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.