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.

使用python显示七段数码管。显示当前时间信息(use python to show the time)