基于ST7920A控制芯片的12864LCD源码！很好的事例模板！-ST7920A-based control chip 12864LCD source! Very good examples of templates!

mega128做的ds12887的时钟，带阴历，测温；原理图，pcb和程序．-mega128 clock ds12887 do with the lunar calendar, temperature measurement schematic, pcb and procedures.