2.) how do i save the data (what has already been counted) if say battery dies and or power loss with out a battery supply?
The EEPROM memory has a specified life of 100,000 write/erase cycles, so you may need to be careful about how often you write to it.
Please enter a valid email to subscribe
We need to confirm your email address.
To complete the subscription, please click the link in the
email we just sent you.
Thank you for subscribing!
via Egeo 16