I've done a similar project in 2008, only it was about the backlight of the LCD itself. Also, we used a CPLD, not FPGA; there was an effort to improve it (and i

I've done a similar project in 2008, only it was about the backlight of the LCD itself. Also, we used a CPLD, not FPGA; there was an effort to improve it (and it was supposed to run on a Spartan 3E) but then the customer's own funding ended, and the project was halted.