DataLogActiveDefault Value: true
Activate data logging to the SD-Card.
The files will be stored in /log/data/data_YYYY-MM-DD.csv. See Data Logging for details.
!!! Warning
A SD-Card has limited write cycles. Since the device does not do [Wear Leveling](https://en.wikipedia.org/wiki/Wear_leveling), this can wear out your SD-Card!