The instructions from Firmware 2.1.4 announcement is more recent:
https://opensprinkler.com/forums/topic/announcing-opensprinkler-unified-firmware-2-1-4/
basically the same with instructions on the 2.1.3 announcement post as you linked to.
The instructions from Firmware 2.1.4 announcement is more recent:
https://opensprinkler.com/forums/topic/announcing-opensprinkler-unified-firmware-2-1-4/
basically the same with instructions on the 2.1.3 announcement post as you linked to.