This is a placeholder log which I promise to expand on later. For anyone keen to get their hands on the data now, please find it at: https://docs.google.com/spreadsheets/d/1h3Hqskle6RSyK4i3jdwdvxAR0Pji38RVqOuHzXzzaEc/edit?usp=sharing

Where you can find RAW 8 bit ADC readings from my Itsybitsy M4 datalogger. I have a year of readings but they are not all nicely spliced together - yet. That will come. 

For now, you can see from this graph that we have some lovely data with the days and nights clearly differentiable:

The real world response of the LDR voltage divider turned out to be much better than the simulated ADC (well, converted from solar radiation data)! 

A couple of other notable observations until I come back and expand this log:

• You can clearly see the changing length of days in the data - so the algorithm will still have to handle that.
• You can see rare measurements where we had the light on in that room after dark  - and it doesn't seem to be an insurmountable outlier, which is reassuring!

Back soon to expand on this data and the implications for syncing our microcontrollers to the rotation of our planet!