I only know ST ARM chips (aside from AVR I used before I started with ARM), but some low power ones go down to 1.8V and can sleep for years on two AAAs. I see n

I only know ST ARM chips (aside from AVR I used before I started with ARM), but some low power ones go down to 1.8V and can sleep for years on two AAAs. I see no issue soldering LQFP packages even though I have very little experience (my domain is software) but I can see how DIP is much less assuming.