Dear Sir or Madame,
I am Peter Motorny from Kyiv, Ukraine (UTC+2)
I know this subject, because among work I have completed, is the LED scrolling text based on the Atmega16 MCU and shift registers. Together with PCB layout I wrote a simple program for this.
In your case is important to save the battery power along with the efficiency of light.
I think I have the necessary knowledge and experience to perform your task.
I have signed NDA and understand all liability.
Respectfully,
Peter