Questions tagged [display]
Display relates to the use and output of display systems for the Rasberry Pi. The built-in video connectors are HDMI, RCA composite (yellow plug), and a 4-pole 3.5 mm jack.
725 questions
0
votes
0
answers
21
views
Display for RPI with auto brightness? [closed]
Looking for a display that can automatically control brightness based on the light conditions ( touch controls and speakers ).
Thanks
1
vote
8
answers
19k
views
Raspberry xrdp login failed for display 0
I've read many and many threads about Raspberry and xrdp but each time it seems people had a screen display connected to their raspeberry.
It is not my case : I've installed Raspian to the mirco SD ...
0
votes
0
answers
31
views
How to clear the display at startup
I am using RPI 3B+ Bullseye Lite without X as a video player contolled over SSH. I had preferred to start with a blank screen.
Writing the following in /etc/rc.local
sudo sh -c "TERM=linux ...
0
votes
1
answer
531
views
How to save screen configuration?
I have a RPi 4 with 2 monitors running the latest version of Rasbian. For a few months, upon startup, the monitors have been mirrored where I would like them to act as one larger combined screen. I ...
0
votes
1
answer
35
views
Pi with LED Matrix not working properly
I've bought a 64x64 LED Matrix Display, an Adafruit bonnet and a Raspberry Pi 4 2Gb.
I have set everything up and tested the Display and set all pixels to red. But only the first and the third quarter ...
1
vote
1
answer
271
views
OLED 128x128 is not displaying correctly the colors
I'm having trouble using the OLED SSD1351. I'm running python programs with the luma.oled library.
When I run a program that uses colors, these are displayed incorrectly, red is displayed like blue, ...
0
votes
1
answer
62
views
Powering aAdafruit PiTFT 2.4" HAT Mini Kit - 320x240 TFT Touchscreen. via a power bank. (Needs a bit more power)
I've been having problems getting this set up and now I do believe I know why.
I got an Anker Power Bank (26,800mah) Not the Power Core +
Input: 5V ⎓ 4A (5V ⎓ 2A Max Per Port)
Output: 5V ⎓ 6A (5V ⎓ 3A ...
0
votes
1
answer
2k
views
raspberry pi with 4k screen @1080p resulotion
I'd like to use 4k screen with RPi. I know that RPi can't handle 4k resolution so that is why I'd like to set resolution to 1080p. Screen will be playing videos/images (both prepared at 1080p) and my ...
1
vote
1
answer
822
views
HDMI issue: Arzopa display shows "no input" other displays work fine
I have a Raspberry Pi 5 running latest Pi OS (bookworm).
It works fine with a Viewsonic Omni portable display.
I unplugged the micro to mini HDMI cable from the Viewsonic and plugged it into an Arzopa ...
1
vote
1
answer
266
views
How to physically turn the a Raspberry Touch display on and off?
I use a Raspberry Pi Touch Display that I connect like shown in the following picture to my Raspberry. The black and red wires are connected to thee GND and 5v pins respectively. Now I want to ...
0
votes
4
answers
5k
views
Get cheap ST7789 TFT display working through SPI (without CS pin)
I purchased a cheap Chinese ST7789 TFT (1.3in, 240x240) that is clearly identified as SPI compatible, tough it does NOT have a CS pin and also some of the pins seem weirdly named to me. I have been ...
1
vote
2
answers
6k
views
How do I rotate the screen at BOOT time (GUI is rotated but boot messages are still upside down)?
I'm using an LCD module, and I've set display_rotate=2 in my `/boot/config.txt, however when the pi boots, it still shows boot messages upside down. Once the gui boots it is right-side-up. This isn't ...
0
votes
1
answer
695
views
Kumantech 3.5" LCD Touch Display, Python Library
I've a Kumantech 3,5" LCD Touch Display in front of me. I'm trying to find a python library to controll the LCD, because i don't want to use x or just to console. I couldn't find any. And I couldn't ...
1
vote
1
answer
31
views
Reactivate monitor without keyboard / mouse
My setup:
Raspberry Pi 5 with Ubuntu 24.04 installed
Monitor: https://www.waveshare.com/wiki/7inch_HDMI_LCD_(H)_(with_case)#Working_with_Raspberry_Pi
I changed the /boot/config.txt according to the ...
2
votes
2
answers
6k
views
Get message "Cannot open display "default display", when SSH-ing
Every time i ssh into my raspberry pi, i get message:
Cannot open display "default display"
I've tried going into raspi-config and installing all the locales. Doesn't change anything.
I've then ...
0
votes
0
answers
27
views
Raspberry Pi 5 screen showing incorrect colors after reboot
Having an odd issue with all DPI displays on a Raspberry Pi 5. As you can see in the image, the colors are completely wrong on the physical screen (right) compared to the VNC viewer (left).
The ...
1
vote
1
answer
143
views
omxplayer - how to force elapsed-time:total-time display during pause
I want videos played via omxplayer to display elapsed-time:total-time on screen when paused, and then go back to just showing the video when playing.
I have "searched" until I'm blue in the ...
1
vote
1
answer
728
views
Pi 4, 2 monitors with same display - screen layout changes not being respected
I have 2 HDMI touchscreens that I'd like to have with identical vertical displays. By identical, I mean I'd like the screens to be mirrored and show exactly the same image.
The Screen Layout Editor is ...
0
votes
3
answers
234
views
How to choose a suitable display for pi 3 B+?
I'm currently looking for a display 5 inches or less for my PI, but there are a lot of information and since I'm quite new to the world of raspberry I'm looking for some help and guidance on where ...
0
votes
2
answers
40
views
Wireless display for raspberry pi 0w
I am wondering how to connect raspberry pi 0w to a display wirelessly (to be more specific via wi-fi).
the devices which I have are
raspberry pi 0w
waveshare 7.9inch display
any pointers will be ...
1
vote
1
answer
3k
views
Raspberry pi screen rotation with OpenGL
As titled, in raspianLite, if I enable OpenGL (fake KMS) I'm unable to rotate the screen using the
/boot/config.txt
file
i tried:
display_hdmi_rotate=1
and
display_rotate=1
with no success, any ...
7
votes
1
answer
2k
views
How to start xorg on a physically connected display via SSH?
The pi is configured to start into text mode so that no xorg libraries are loaded during normal operation. Yet I would like to be able to occasionally run an xorg desktop session when connected to an ...
0
votes
1
answer
2k
views
Raspberry Pi Zero W won't open any browser [window]
SD as shipped from CanaKit worked perfectly in headless mode. But on several reimagines of the SD card, when attempting to open Chrome or Firefox using RDP, the hourglass spins for a minute and then ...
-1
votes
1
answer
83
views
My ST7735 TFT Display is showing stuff cursed
I am trying to display text on my display but it shows stuff very weirdly, it's hardly readable. I am using the Raspberry Pi Zero 2 W with the Raspberry Pi Os Lite 64 bit.
I have SPI activated.
This ...
1
vote
2
answers
886
views
make the screen black without turning it off
My console application handles the playback of different videos via the vlc player. As soon as the video changes, VLC exits full screen mode and switches back to full screen mode when the new video is ...
0
votes
1
answer
131
views
How to turn off the display from the Raspberry Pi OS
I searched the web on information about turning off the display and controlling its brightness from within the raspberry pi OS, what I gathered is that it works on some displays and not in others.
I'm ...
0
votes
1
answer
58
views
How to connect this CM4 to a display and reinstall os?
I have this gridxbox which is a raspberry pi CM4. To function it only required power input via type c port and lan cable connected to lan port.
https://www.gridx.ai/edge-services
Would like repurpose ...
1
vote
1
answer
116
views
Continously running presentation "pauses" after one hour
I have a Raspberry Pi that is connected to a TV on its HDMI Port and to the Network over Ethernet.
After boot it automatically logs into the GUI with the pi user and automatically starts a ...
3
votes
0
answers
2k
views
Different resolutions HDMI-1/HDMI-2 in Screen Layout Editor
I have a Raspberry Pi 4 (2GB) connected to 2 displays of resolution 3840x600 each (58:9 aspect ratio), running the latest version of Buster. To have the display in correct resolution, I have edited ...
0
votes
0
answers
44
views
Unable to control TFT screen using RP2040
I am tinkering with the raspberry pi pico (the one with RP2040 chip). I am trying to use a TFT 1.24 screen controlled by the GC9A01A driver. I have followed the datasheet and the code I was able to ...
0
votes
0
answers
239
views
White ILI9341 display after short
A few days ago I connected an ILI9341 display to my raspberry pi. After installing all the required Python things, I ran a simple code and it just worked.
But because I have a little 5 V fan , that I ...
1
vote
1
answer
364
views
Output to unorthodox HDMI screen
I have a little bit of an issue displaying the Raspberry Pi on a 1280x272 screen. The monitor is about 9" and has a HDMI input.
I have tried connecting it before startup, and it doesn't seem to work....
0
votes
1
answer
111
views
How to blank a touch screen without loss of signal from HDMI?
I want to blank a touch screen monitor on inactivity without loosing signal on HDMI.
I've found xset dpms force off (and suspend and standby), but all these commands result in no signal being sent via ...
2
votes
1
answer
284
views
RaspberryPi.Net Libary LCD Display
So my problem is, that we want to control a LCD (HD44780) Display with our Raspberry Pi Model B V1.1. The Libary seems to have a support for it. But there only seems to be one example in the whole web....
1
vote
1
answer
180
views
Open app at a specific location on screen
I want to open an instance of Chromium at a specific location on the screen and at a specific size (width and height). I figured this would be pretty straightforward but in all my searching I am just ...
-1
votes
2
answers
323
views
Does Pi4 output correct video for Apple CInema Displays?
I've seen the older thread asking about a pi 2 on a cinema display, but the responses weren't helpful.
I have an old Apple Cinema display that does work - had an ancient mac up and running, but that ...
0
votes
0
answers
23
views
Flashing and diagonal browser display after moving pi
I'm having a strange situation whereby any browser opens flashing with a stretched diagonoal display.
Running on Raspbian but unsure the version number.
All I have done since it was last working ...
1
vote
1
answer
2k
views
Fit contents of screen to small display
I am displaying Raspberry Pi OS on a 3.5" display. The windows do not fit in the screen.
Is there a way I can shrink the entire image on-screen so that everything is smaller but fits on-screen? ...
4
votes
1
answer
529
views
Arm Arch Linux 'startx' displays black screen on Raspberry Pi 3
Context: I recently got started with Arch Linux and the whole building your own distro thing. So I put Arch Linux Arm version on my Raspberry Pi 3 Model B v1.2 from the Arch Linux Arm project. I put ...
0
votes
1
answer
263
views
4.3" 12V TFT LCD RCA Display to 5V
I'm building a portable Raspberry Pi (3B+) handheld and I'm using a 4.3" Car Monitor as a screen.
The box says it runs on 12V(+/-10%).
I've tested it for a bit and It even runs on as low as ...
0
votes
0
answers
97
views
How to resolve Waveshare 1.44" LCD HAT on Raspberry Pi Zero W2 with mipi-dbi-spi driver issue?
Questions
Any idea what am I doing wrong?
Are the initialization commands listed for the Waveshare 1.44" LCD HAT correct?
Is there anything else missing in the setup process?
Current Issue
I'm ...
1
vote
2
answers
3k
views
No HDMI out displaying after boot up screen
I normally use VNC to connect to my Pi so I have not used the HDMI out in the past couple of weeks. When I first set up my Pi I did it using the same display and HDMI cable I am trying to use now (and ...
0
votes
1
answer
2k
views
Connect TFT Display with jumper instead of ribbon cable?
I wanted to rebuild this RPi Zero Project: https://learn.adafruit.com/pigrrl-zero/overview
But instead of paying 50(!) Dollars for a 2.8 Inch TFT i wanted to get some other lcd... I do still need ...
0
votes
0
answers
89
views
Raspberry Pi 3B shows a screen with an underscore in the corner
I am using a raspberry pi 3B v1.2 with a 3.5 inch kuman display as shown here. I have installed the lcd-show drivers by doing this:
sudo rm -rf LCD-show
git clone https://github.com/goodtft/LCD-show....
2
votes
1
answer
843
views
Redshift on Raspberry Pi 4 [closed]
Is there any way to use Redshift on Raspberry Pi 4? I used redshift -P -O 3700 -g 0.7 -b 0.7 and it only works from time to time. Some times after restarting it doesnt filter the blue light anymore. ...
1
vote
2
answers
20k
views
How can I customize what RPi displays on boot?
I'm new to the RPi world, but
I'm using RPi 4 with official Raspbian/Raspberry Pi OS (bullseye) right now.
When the RPi start booting, it normally displays rainbow screen, then some splash screen, ...
0
votes
0
answers
24
views
Smallest screen resolution supported / very narrow display
Per the title really, we're looking at an application where we use a very narrow "bar" type display but the vertical resolution would be under 100 pixels, is there any info on how low you ...
0
votes
0
answers
123
views
Blue light filter for Raspberry Pi OS Bookworm?
Is there a blue light filter available for Raspberry Pi OS Bookworm?
f.lux's website directs us to here: https://github.com/xflux-gui/fluxgui, where we are warned "XFLUX DOES NOT WORK ON MOST ...
2
votes
0
answers
822
views
Loading an ICC profile on Raspberry Pi doesn't work
I am using a Raspberry Pi 3 Model B (non-plus) together with the official 7 inch touchscreen connected to the DSI connector. The latest Raspbian 2018-03-13 is installed. This works fine, but the ...
0
votes
0
answers
107
views
How to mirror an ST7735 1.8" TFT display from the Raspberry Pi 5?
I recently bought one of those cheap ST7735 1.8" TFT LCD display modules, and I would like to find out if it is possible to mirror the Raspberry Pi display output to this mini screen. I know this ...