ST7920带中文字库液晶原码程序 12864 keil的，串行方式 编写时已经考虑到往avr上的移植了，spi可以用avr硬件的，也可以用io模拟-LCD with a Chinese font LCD original procedure code 12864 keil. Serial preparation methods have been taken into consideration to the transplant avr, spi avr hardware can be us

MEGA8 IO模拟I2C,已经验证过，可以使用。-MEGA8 TWI,VERY GOOD,it will help you study i2c and avr cpu.the program has been checked