A few links about reprogramming the ATtiny85 and AVRs in general. Once the external clock is enabled you also speak about an ‘locked out’ AVR and you will need a crystal/resonator which serves as the clock source while reprogramming the chip. I found one thread and a blog post about it. In another blog post they use PonyProg to set the fuse bits. More to come, when I have done it myself…

Advertisements