著名的AVR 高压编程器HVprog原理图,y有了他就不再为熔丝错误,负位脚变IO,ISP被锁等等一些问题而烦恼了-famous for programming AVR hypertension HVprog diagram, y he will not have to fuse errors, Negative changes IO feet, the ISP was locked, and so on some issues and trouble