这是一套用STM32控制32x64分辨率的LED单元板作万年历的程序，能循环显示年月日时分秒、干支、农历、节气、阴历阳历节日、室内室外温度、并可通过GPS对时校准时间。(This is a calendar program which use LED panel as display. The resolution of LED panel is 32x64 pixels. Information on the calendar includes year/month/day, Chinese