基干Atmega16的LCD12864画图程序，12864的控制器为st7290，编译器iccavr-LCD12864 backbone of Atmega16 drawing procedure, the controller 12864 for st7290, compiler iccavr

基于MEGA16的24c02实验-- SCL接PD4 ， SDA接PD5 。单片机PA口接8路指示灯，开始时 72个花样灯-24c02- SCL access PD4, SDA then PD5. Single-chip 8-way PA port access indicator, light patterns start 72