For people interested in reducing the JeeNode power consumption so it can run off batteries, here are some earlier posts:
http://news.jeelabs.org/2009/05/13/power-consumption/
http://news.jeelabs.org/2009/05/14/power-consumption-baseline/
http://news.jeelabs.org/2009/05/15/power-consumption-subtle-bugs/
http://news.jeelabs.org/2009/05/16/power-consumption-more-savings/
http://news.jeelabs.org/2009/05/23/new-rf12-sleep-support/
http://news.jeelabs.org/2009/07/05/ligthy-power-save/
Just thought it'd be handy to have all these links together in one place.
