Ludopi wrote: > Answer to myself : all 'low color' problems were due to too high > frequency in config.txt. > => recommended value of screen=24000000 (pughx2/picore3 page) was too > high for my waveshare 3.5" LCD clone. > => lowering it to 20000000 did the trick for me. > > Hope this helps others (I was getting mad).
For those who followed the instructions and STILL have problems with colors, this is how I solved it. (I have a waveshare 3.5" (B) revision 2. THIS IS IMPORTANT: not only the "B", but the "*revision 2*". Check on the back of the screen, if it's revision 2 you see a "Rev 2" printed on the board) - I followed http://www.pughx2.com/picore3.html . Works but colours still not quite there. Shut down and remove the SD card, plug it in your computer. - from this site https://github.com/waveshare/LCD-show I downloaded the file *waveshare35b-v2-overlay.dtb * (AGAIN: make sure you don't download waveshare35b-overlay.dtb which works but still with wrong colours.) - save it on the SD card in the folder "overlays". - edit config.txt and replace *dtoverlay=piscreen* with *dtoverlay=waveshare35b-v2-overlay* . That is, same name of the file but without the extension. - save the file, put it back in the RPI and start it again. Now you should see all the right colours. ------------------------------------------------------------------------ pbattino's Profile: http://forums.slimdevices.com/member.php?userid=57491 View this thread: http://forums.slimdevices.com/showthread.php?t=107366 _______________________________________________ unix mailing list unix@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/unix
