The cortex M3 based remotes with their CC1200 are an ideal upgrade for the future sensor nodes. Possibly using a zoul on a reworked feshie pcb.
we gain ARM, RAM (32k) flash (512k), uSD instead of onboard flash, sleep-states, battery charger
our RTC can be swapped for the onboard one...
See remote README
- other thoughts:
LiPo batteries may not like the cold weather