Control High-powered LEDs by Arduino and Real-Time Clock

Output

Some photos
Photo of implementation
Let put things together.
LED Display
Basic data reported by the display. To see more output, uncomment some lines in the .ino file
and data from (micro)SD card
text file
Native text file from microSD card.
Import to speadheet
Ready to make some graphics.
...booms, this is what I want:
pattern of solar
Output (lux) measure show the the pattern was executed as planned.