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.

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Which software allows Miracast over infrastructure (MS-MICE) "Wireless display" sink on the RPi other than lazycast?

Note at present time, MiracleCast does not support MS-MICE therefore the RPi cannot serve as a ethernet wired display for a windows computer. I have lazycast working as an extra monitor however there ...
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834 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 ...
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1answer
24 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 ...
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Bash script wont run under sudo crontab but will under pi crontab

I have a simple script start_chromium.sh: #!/bin/bash DISPLAY=:0 chromium-browser --start-fullscreen --kiosk http://server:8080 When I do sudo crontab -e and add @reboot /home/pi/start_chromium.sh ...
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RasPi4 shows two connected screens even though there is only one

So I'm currently building my Smartmirror with Magic Mirror and I have some problems with the screen configuration of my Raspberry Pi 4 running Raspbian Buster. I tried changing the screen orientation ...
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Can't set output to 4k 60hz on Pi 4

What I've tried: Setting "4Kp60 HDMI" I did this in the GUI config application and rebooted. Also tried disabling it and then enabling it in the config.txt and rebooted. Installing updates My ...
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Use DSI1 instead of DSI0

I made a CM4 carrier board, but it seems I have made a mistake. I used DSI0 as the main display, but according to the official Raspberry Pi 4 schematics the DSI1 is used as display 0 (this is really ...
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How to Wake the Raspbery Pi Display Without Disabling The Screensaver

People have asked how to disable the screen from going blank or to sleep, but I have a slightly different question. I would like to be able to remotely wake a sleeping or blank display, but then ...
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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 ...
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Scrolling text on MAX7219 dot display is lagging occasionally, not sure how to fix

I am using the max7219 library from luma.led_matrix.device import max7219 However, if I use 12 8x8 dot displays in series, the scrolling font lags on random occasions. It looks like it lags for some ...
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Remote controlled rpi soundboard (sound clips)

I'd like to trigger audio clips remotely on a rpi. This is for a Halloween decoration. ~20 audio clips, all of which can be whatever format (wav) and in a folder local on the rpi. I can record and ...
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Official 7" Display not functioning correctly

The first day I had the display, it booted fine, loaded and worked just fine, however I had a little bit of flickering from the screen. Today I tried to boot again and the screen comes up with some ...
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280 views

How to interface to a Pi without knowing its IP or having a large HDMI monitor?

I wish to access a RPi's shell, but I do not wish to lug around some big display and ideally 120 volt power wouldn't be required. A Linux or Windows laptop are acceptable or maybe some other typical ...
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1answer
289 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....
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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 ...
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1answer
267 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....
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How to connect a Raspberry Pi to an RCA based display with sound?

I have a Raspberry Pi 3 and a display that has only RCA as inputs. Please help me connecting the Raspberry Pi to the display so that I get both sound and visual.
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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 ...
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Getting 7 Inch Touchscreen working on Stretch

I have a raspberry Pi 3 Model B+ running Stretch OS dated 3-13-2018 and am having trouble getting the touchscreen portion of my new display a GeeekPi 7 inch TFT 1024X600 display working. I have the ...
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1answer
2k views

Rpi4B and Midas 10" 1280 x 800 HDMI Monitor Interface Problem

I have a raspberry pi 4 using the latest Os but I cant get anything to display on my monitor the monitor I am using is MCT101HDMI-A I have tried another monitor and it display works so I know nothing ...
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258 views

Raspberry pi screen resolution and power supply

My RPi screen resolution is lower when I power it from a mobile charger than when I power it from a power supply. When I use the power supply it gives a different (higher) resolution. I checked the ...
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1answer
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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? ...
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104 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 ...
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2k views

KeDei LCD version 6.0 with Raspberry Pi 3 driver problem

I got KeDei LCD with version 6.0 and inserted this to my raspberry pi 3 When I install drivers or images, after reboot i see on this display, how system load, and then screen become white. I tried ...
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801 views

Help with 3.5" display

i have a 3.5" display that works perfectly but i don't know how to connect it to GPIO. I'm searching on internet, but i am finding nothing. how can i make it work? I need to force video output to GPIO....
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open /dev/dri/card0: No such file or directory - on Rpi4

RPi4 with Raspbian GNU/Linux 10 (buster) I'm working with a portrait-mode monitor on HDMI-0 port. No problem until this morning when I rebooted the machine. Now the display is not able to rotate as ...
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2answers
2k views

E-ink display with driver

I want to buy an e-ink display (4 inches or more) that could be driven by RPi3. I need to show on display a simple web app written in Django (a to do list with a minimal design) which not required an ...
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1answer
615 views

Making the admatec C-Berry 3.2" display the primary screen

After I had a few issues with the ODroid C1 3.2" display I now bought an admatec C-Berry 3.2" display for the same purpose. Unlike the nice 7" display I have and that is auto-detected, this 3.2" ...
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1answer
1k 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 ...
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2answers
2k views

How to lower screen brightness on 2.4 inch monitor

I have a 2.4 inch adafruit monitor for my rasberry pi, connected through the GPIO pins, and I have a problem with setting the screen brightness. https://learn.adafruit.com/adafruit-2-4-pitft-hat-with-...
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3k views

change display_rotate at runtime (for kodi)

Is there a way to modify the "display_rotate" setting in "config.txt" at runtime? Mainly I want to flip the display horizontally occasionally while running kodi. I'm using a RPi 2 B on Raspbian 3.18....
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1k views

how to get touchscreen coordinates

I'm using waveshare 5 inch HDMI touchscreen on my raspberry pi , I need a python code to determine the X,Y coordinates of touched point. Do you have any idea ?
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Why isn't Ubuntu server displaying to HDMI on Raspberry Pi 4?

I flashed Ubuntu 21 Server to an SD Card with the Mac Raspberry Pi flashing application and it appeared to be successful. I inserted the SD card into the Pi and connected it to a power source. I am ...
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1answer
44 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 ...
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1answer
472 views

Access the display from a python app running as a service

Problem: The code below can't access the display when running as a service. I have my raspi hooked up to a touch screen monitor in the kitchen and I've attached a Passive Infrared sensor to the GPIO ...
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1answer
423 views

Pi 3 with Windows Creators Update not working with Raspberry Pi Official Display

I have this Raspberry Pi 3 installed with Windows IoT Creators Update 10.15063 and a 7" Touchscreen Display. First, when booting, the Windows logo and loading appears, but then its a blank screen ...
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9k 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 ...
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1answer
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 ...
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How do I fix a Raspberry Pi 4 that isn't displaying anything?

The problem first started when I tried to change the orientation of display for retro pi. Before, the orientation was vertical. So I tried to change the resolution options in "Raspi-config" ...
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1answer
36 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 ...
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1answer
576 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 ...
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Match tvservice device to fbset device

I would like to match the "tvservice" display device (iow, 2 for HDMI0 and 7 for HDMI1 and I think 5 for LCD) to the framebuffer device as used by "fbset" For now, I am hardcoding: ...
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4answers
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Auto reload new images in feh image viewer

I am making a project about wireless notice board using an android app and a raspberry pi. I am using feh image viewer to display images as slideshow from a specific folder. The command I am using: ...
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How to start program on specific monitor?

There are 2 displays attached to Raspberry Pi 4 over HDMI. pi@raspberrypi:~ $ DISPLAY=:0 xrandr -q | grep ^HDMI HDMI-1 connected primary 1024x768+0+0 (normal left inverted right x axis y axis) 256mm x ...
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124 views

RetroPie on Pi 4B won't display on LG smart tv

I have a Raspberry Pi 4B and have installed RetroPie on it (by flashing the image provided on the RetroPie site). In the beginning, connecting to my LG smart tv (43UM7600PLB) worked fine. After a ...
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2answers
185 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 ...
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Same display between 2 monitors on Raspberry pi 4

I want to know if its possible and what is the easiest way to setup both my monitors on a single Raspberry PI 4 to display the same view instead of a standard dual monitor setup where you can do some ...
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1answer
43 views

How do I change a system environment variable [closed]

I would like to the change the color of the directory listings in my SSH sessions on my Raspberry Pi. The blue color is very difficult to see on my 4K display. It appears I need to change the ...
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17 views

Raspberry Pi 4 Model B forcing itself into 4:3 (720x480)

For some reason, when hooking up my Pi to my laptop using an HDMI to USB dongle it forces itself into 4:3 aspect ratio and same goes for remote accessing it. This just now happened and I don't ...
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1answer
37 views

Pi Zero W and Oled Display via HAT?

Beginning playing with PI, I am looking for a display that I can attached onto my Pi Zero W. Very sorry that I am not very familiar with all the connectors. Could I ask whether is is possible to use ...

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