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Hey phife,
I made it work with greymfm76 settings without modifying anything !!
(Not even de-commenting the timings...they don't seem to be needed ?)
If you're trying out with any of the pre made screens, remember that most of them are made for 1080p projectors...so they WILL display the wrong way around and badly.
Try the white grid as that generates according to your screen size !
Also make sure all settings are indeed 1440 width and 2560 height !
Also make sure you say yes to removing overscan when you install nanodlp.
I had some strange non-slicing problems (black plates) so reinstalled entire raspian lite from scratch then stayed on the basic nanodlp version (as installed via command line)
Once you get wifi to work, make sure you don't have the network cable connected to the raspberry as that sometimes Sen to screw up internet access for me...and thus make it work weirdly.
Oh and always turn on the printer before you turn on and boot the raspberry...sometimes it doesent detect the screen if you plug it in after boot.
Good luck !!
//O.
Spent all day working on it, cant seem to figure it out. Got the regular version of nanodlp running now on wifi, just needed to plug it into ethernet to set it up on wifi. Still no change. The image is rotated and swapping the numbers in the setup page/projector resolution width and height dont make and change.
2) configure Raspberry PI3 HDMI to support 1440x2560 pixel resolution:
sudo nano /boot/config.txt:
hdmi_force_hotplug=1
#hdmi_ignore_edid=0xa5000080
disable_overscan=1
framebuffer_depth=24
gpu_mem=192
framebuffer_ignore_alpha=1
#start_x=1
hdmi_cvt=1440 2560 48
hdmi_group=2
hdmi_mode=87
hdmi_pixel_freq_limit=400000000
hvs_priority=0x32ff
max_framebuffer_width=1440
max_framebuffer_height=2560
framebuffer_width=1440
framebuffer_height=2560
config_hdmi_boost=4
#hdmi_timings=1440 0 16 16 64 2560 0 5 2 1 0 0 0 50 0 176947200 3
#hdmi_cvt 2560 1440 50
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