english: But now we need to remember that the data is encoded in subtle changes of the brightness of the LED, so if the incoming light fluctuates, so does the energy harvested from the solar cell.
non_english: Ali sada moramo da se setimo da su podaci kodirani u suptilnim promenama jačine LED svetla, tako da ako svetlo koje dolazi varira, varira i energija koja se dobija iz solarne ćelije.