I have a working ATtiny85 that load sketches into using Board=ATtiny85 with Arduino as ISP and Programmer = Arduino as ISP. I want to be able to do serial communications so I read that the tiny needs to be configured for 8 Mhz. I changed the clock frequency line in Boards.txt from XXXXXXX_1000000…

How to Configure ATtiny85 for 8 Mhz

system December 4, 2013, 11:36pm 14

REDO

FUSE TABLE PAGE
EXTENDED 20.2 148
HIGH 20.4 148
LOW 20.5 149