Real Time clock a good solution. No losing time with resets, etc.. Only about $10 depending on how you do it..
One choice: http://arduino-direct.com/sunshop/index.php?l=product_detail&p=48
DISCLAIMER: I mentioned stuff from my own Shop...
Real Time clock a good solution. No losing time with resets, etc.. Only about $10 depending on how you do it..
One choice: http://arduino-direct.com/sunshop/index.php?l=product_detail&p=48
DISCLAIMER: I mentioned stuff from my own Shop...