AVR代码集！里面包括LED测试，LCD显示，A/D八路循环检测等源代码-AVR code sets! They include testing LED, LCD, A / D Octal cycle testing source code

AVR单片机定时器1中断程序每500MS将PB0端口的二极管点亮一次，程序运行在内部1M晶振下-Program the AVR timer 1 interrupt every 500MS will PB0 port LED lights once, run under the internal crystal 1M