@NeverDie I think that usually you can 'rescue' the symbols and part footprints from the files directly as well. I've had it successfully work usually, but a couple times when opening an old file from a previous KiCad version I've had some errors.
Knock on wood, but so far nothing has been unrecoverable. Of course having a dedicated symbol and footprint library would make it even more foolproof, but it might not be necessary.
@NeverDie Oh, sorry, I wasn't trying to get proof or anything.
I just was asking for your personal experience. Not doubting, just looking at them now and wondering how it had been for you. Do you mind saying which one you have that you are so happy with? I've been looking at different 'best' lists, and getting some conflicting info on them.
I'd just like a little more input before buying one, but with seeing all the improvements, and how many devices we have that could use it, now I'm wanting to do it sooner rather than later.
If both the atmega328p is held in deepest sleep (100na) and the SX1262 is held in deepest sleep (160na), then at the combined 260na for them both sleeping, then 2xAA batteries with 3500mah of capacity would last... ready for it?.... 1,537 years! If you can prove me wrong, then please do. Mind you, that is how long it would be with both simply sleeping and never waking up.
So, the only place left to look for meaningful energy consumption is during the wake-up-and-prepare-to-transmit phases for the atmega328p and the SX1262. The atmega328p can wake up in less than 4 microseconds, so that leaves the cold-start current draw of the SX1262 being the only place left to focus on. In simplest terms, it just needs to power up its TCXO and get it phase-locked-loop tuned to the proper frequency before it can transmit. So, however long that takes plus the (possibly overlapping) time to reprogram the SX1262 registers (because at 160na it will have forgotten everything), times the average current consumed while all of this happens will be the start-up energy draw. I'll see if I can find plug-numbers from the datasheet; otherwise, I'll just program it all and then measure it with the PPK2, which is perhaps the best way know for sure anyway.