So, I've bootloaded my atmega328p with a suitable 3.3v 8MHz bootloader (ATmegaBOOT_168_atmega328_pro_8MHz.hex). It works fine. But I am about to run the chip from a 3.7v lipo (hence this new bootloader) and I want to make sure it has BOD at 2.7v. I have googled around this, but can't at the moment find the answer to this question: what should the fuse settings be to have BOD at 2.7v? Or how do I work the answer out? (I have looked at http://www.engbedded.com/fusecalc/
but I cannot make head/tail of it).
The current settings (from the boards.txt file) are:
Thanks in advance,