AVR单片机的一个跑马灯例子，里面带有protues的仿真电路及ICCAVR的程序，很完整，详细，方便与初学者，适合大家入门-A marquee example of the AVR microcontroller, which circuit and the simulation with protues ICCAVR program, very complete, detailed, and easy for beginners, suitable for all entry