MiSTer FPGA Forum

After reinstalling the Arduino IDE (which didn't solve the problem) i figured out the issue:
Take the tty2rgbmatrix.ino out of the downloaded folder (dowload ZIP from github), put it somewhere and let arduino make a new foldêr. And voila: It compiles.

And the brightness changes now too.
Strange issue

Thanks for your hard work on this project. I can't get the brightness to change in the new SD version. I managed to change it before with the value in dma_display->setBrightness8(128); //0-255 I tried different values but it doesnt change and it always draws the same amount of current too. Another note: I can't get your newest version to complile f...