SD Data logger

design brief

1. log data to sd card with time
2. display live data
3. zero offset for sensors
4. set time
5. start recording

ideas

1. one button could start recording, and if held for 3 seconds zero ofset
2. start recording is alway done to a new file.
3. use a LCD to display data.

Welcome to the GitHub page for Arduino SD Data logger

• 22/12/17 todays target - read time from tiny RTC i2c