本工程采用AVR8脚SOIC8封装芯片attiny25,工程实现led灯的闪烁和亮度调节，采用attiny25内置PWM功能，本工程包括原理图和PCB图以及源程序，供大家分享！-This project include program and sch circuit also include PCB,it can let led flash and change the light of the led,we hope it can h