I need to log 2 analog channels once a minute for at least 40 days on a reasonable battery. From the comments it seems the Logomatic is intended to run for hours or a few days at most, at least an order of magnitude shorter than I need. Is it worth trying to hack a Logomatic or is there another board I should be looking at? Currently I am using an Arduino Pro Mini but it sucks power and the clock drifts too much.
Lots of great ideas for low power, long term dataloggers on this site: https://edwardmallon.wordpress.com/2014 … apability/