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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display a cross-hair within a picture with python3

I want to add a cross-hair pointing to a position within a picture frame and display it. How could this be done effectively using python3? Which library would be preferable?
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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 ...
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Is there a way to get DSI output on RPi Zero W?

I'm trying to make an inexpensive smartphone, So I don't want to buy a really expensive small HDMI display, so... DSI. But the pi zero doesn't have DSI output . I've looked into hdmi to DSI adapters ...
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How to detect LCD touch-display? and automatically configure for display?

A rPi3 B+ is Raspbian configured with a 3.5 Waveshare touch display HAT. There are two commands that toggle between the HDMI output and the HDMI output. git clone https://github.com/waveshare/LCD-...
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Weird display on VGA monitor, Ubuntu Server 19.10 on Raspberry Pi 4

UPDATE: As I suspected lately, Ubuntu Server actually boots up. Nothing worked until I tried using an actual HDMI monitor instead of an HDTV or VGA monitor. I suppose the TV will work once I install a ...
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Extend Official Display Connections

Is there a type of extender for the official Pi display connections? I don't mean the 15 pin FFC, but the two directly on the display. I'm mounting the driver board separately from the display in a ...
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Raspberry Pi Zero Will only connect to Wi-Fi if HDMI Display is connected

For some reason, My Pi 0 no longer connects to the wifi networks specified on the wpa_supplicant.conf if I don't connect a display to HDMI, you could actually see the pi starting to connect ...
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Raspbian 9 - pi-greeter not loading properly after update

After updating and upgrading through apt-get on my Raspbian 9, I am having problems booting into the login screen. After boot up, the display shows only a black screen with the mouse pointer at the ...
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Higher resolution framebuffer modes?

I have a raspberry pi plugged into a 3440x1440 monitor. Without setting any explicit framebuffer_* options in /boot/config.txt, it comes up at 1184x624. The display is crisp and legible but individual ...
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Rotate screen 180 on the fly?

I think this may be impossible, but I'd like to rotate the display by 180 degrees on the fly, triggered by a button connected to the input pins. I built a cocktail-style MAME cabinet (RetroPie) but ...
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Change resolution on LS055R1SX03 2k screen

I bought the HDMI to MIPI LS055R1SX03 5.5 inch 2k IPS LCD module 2560*1440 from Aliexpress, Plugged it, and used a configuration found on the internet to be able to see any image. Surprisingly it ...
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Live Holographic Display

I've seen others make a holographic display using a RPi, monitor, and a glass prism. The only thing the Pi is doing is playing back a pre-rendered video. But, is there a way/software program to ...
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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 ...
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Connecting and displaying Raspberry Pi on Ubuntu based machine over ethernet cable

Hello dear Raspberry community. I was wondering if I could display Raspberry Pi 3 Model B on my Ubuntu laptop over an Ethernet cable? However, I can not do it with an ssh method, the reason being I ...
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USB Dual Monitor DisplayLink Docking Station for Pi 4 B? I have WAVLink UG39DKx docking stations

My WavLink UG39DKx docking stations are USB 3.0, have an HDMI and DVI out, plus 2 USB 3.0 and 4 USB 2.0, plus Ethernet, plus Audio out. Is there a reasonable way to get the docking station working? ...
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True console output to character LCD or similar?

Is it still possible to have text mode output to achieve real console output? That is, instead of using a virtual console, actually output characters directly to an character LCD screen? I'd like ...
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HDMI display rotated, but not X keeps landscape aspect ratio

PI 4 I've added display_hdmi_rotate=1 to /boot/config.txt and the display rotates. I've also tried =3 with the same results described below. During boot the Raspberry Pi Desktop welcome splash is ...
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Launch GUI on specific monitor on Raspberry Pi 4?

How can I open a GUI application through the command line on a specific monitor? If I run xrandr my output is as follows: Screen 0: minimum 320 x 200, current 2192 x 1080, maximum 7680 x 7680 HDMI-1 ...
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How to connect Raspberry Pi 4 to sparkfun SSD1306 / SSD1309 OLED transparent display?

I just got the an OLED transparent Display from Sparkfun and I want to make it run, I youtube it but didn't found anything. Please help me with that.
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4 Displays with diffrent output using Raspberry Pis

Core Problem: I need 4 displays to show diffrent output (simple images) For this kind of "Video Wall" problem, most solutions recommend one RPi for each display/monitor in a master/slave ...
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Use a 2.5" LCD in a Blaupunkt Dashcam for Raspberry Pi?

and thank you for reading my topic. I recently bought a "2.5" LCD HD Dashcam" from the Blaupunkt brand (BPDV122), although I am aware they have just used this design from another company. https://www....
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Will LattePanda IPS display work with raspberry pi zero?

I have LattePanda but its connector to which we connect flex cable is broken, so i am thinking to buy a pi zero and use it instead to display graphs. However i am not sure if it will work.
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How to connect ST7789 LCD to Raspberry Pi

I'm trying to connect to this LCD ( sry 4 japanese page:( use translate plz ) This monitor driver is ST7789, 7pins.[GND VCC SCL SDA RES DC BLK] And now I'm connecting to pi like this https://imgur....
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Strange behaviour of touchsreen 3.5 inch waveshare TFT screen

I've bought display a few days ago (Waveshare 3.5 inch B 2.0 version) and have some problems with touchscreen. I followed this tutorial : https://www.waveshare.com/wiki/3.5inch_RPi_LCD_(B) and I don'...
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How to disable Raspberry Pi console output to monitor but keep rendering graphics [duplicate]

I'm building an application on Raspberry Pi that renders some GUI to the screen. I would like to keep rendering the GUI but get rid of all the "ugly" console logs during boot or when the GUI crashes, ...
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No display output if I start raspberry pi and then start the monitor

If I switch on monitor first then switch on raspberry pi, it works fine. But if I switch on raspberry pi and then monitor or switch on both pi and monitor simultaneously no display is shown on monitor....
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Adafruit OLED (128x64) display very dimmed?

I bought the Adafruit 128x64 OLED Bonnet and tested it with the demo program. Unfortunately the luminosity is very low and it is not satisfying: I have tried to adjust the contrast from 0 to 255 but ...
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Setting application screen display layer

I am displaying a video onscreen with omxplayer using '--l 0' Is it possible to run a python program and set it's screen layer to > 0 Expanded info :- I am running omxplayer from within a python ...
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How to connect ST7789 LCD to SPI Bus 1 as 2nd screen?

I've been trying to get this ST7789 library working with the 240x240 1.3" display on the rpi0w Python lib https://github.com/solinnovay/Python_ST7789 So far I've set all the screen pins to the bcm ...
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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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Display rotate not working in Raspberry Pi 64 bit

I can boot with a 64bit OS on a Raspberry PI 3, but when I change display_rotate (config.txt) to 3 (270 degrees), it stuck on the 4-colour initial screen. The funny thing is that when I use a 32bit OS ...
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How to determine the power state of the connected monitor

Main Question: Can my raspberry pi (powered on it's own) determine if power is being supplied to the monitor (powered by a wall plug)? I'm trying to determine the power state of the display that is ...
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What are the limitations/advantages of the “fake KMS” driver with OpenGL?

RPi 3 has both "full KMS" and "fake KMS" display drivers which support hardware-accelerated GL driver. RPi 4 currently has only "fake KMS". I wonder what difference does it make w.r.t OpenGL support. ...
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display command not working in command line

I am running debian v10.0 on a raspberry pi. I have a directory of pictures with jpg, png and jpeg extensions. When I try to use display image.extension on any of them I get the error display-im6.q16:...
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Why the hourglass icon is showing?

After an update of with 'rpi-update' command, while I am opening this menu ,I am noticing a sand-glass icon with the pointer. This is not a very big problem. But I am confused ,what is happening?? ...
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Run python script on Raspbian desktop through ssh access

I have a RaspberryPi with a PiTFT 3.5 display connected. The display is configured to mirror the HDMI output and the Pi is running Raspbian desktop. Now what I am trying to do is to run a python ...
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Running SDL 1.2 based code on buster without X

Up to and including Raspbian Stretch, I could use a hacked SDL library called SDL12-kms-dispmanx by a developer called vanfanel to run SDL 1.2 code from the console without X. (See here: https://...
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Trouble setting up SSD1327 display

I have this display, which is running on a SSD1327Z chip. I am using this tutorial to get the display working, expect at the part where you have to clone the git repository, I used this git link, ...
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Enabling GL driver makes all sorts of problems on a Pi 3!

Situation: Raspberry Pi 3B running freshly flashed Buster SD card. Graphics: Pi => hdmi-to-VGA => monitor. Pi and monitor are on same power strip. Both turn off together once pi has shutdown. ...
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The best way to connect the 7” touchscreen

I have a pi 3 model B+ and the official raspberry Pi PSU, and the official 7” touch screen. I’m running Raspbian with all the latest updates. I have connected the display using a USB cable as ...
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Chromium semi freezing in a predictable way on very unclear reasons

I have a Raspberry PI 3B+/raspbian running my NodeJS (node-red) backend application. My Raspberry is hosting a frontend application (VueJS) as well. I also have a 7" display connected. The purpose ...
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Force a 16bit framebuffer when using a DPI display

I have a 16bit (565) display attached to a Pi with the DPI interface. The problem is that the framebuffer that gets set up is still 32bit and it looks like it's just dropping the LSBs to truncate the ...
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How to manually connect the 10.1" touch screen 4 pin FFC to raspberry pi 3?

I have this touch screen and I have a universal lcd controller board. However, the controller board doesn't come with a 4 pin touch input. From connecting a 7" raspberry pi screen, is it correct to ...
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Raspberry Pi 4 - screen rotation [duplicate]

I just got my new Raspberry Pi 4 and I'm trying to rotate the screen. Usually on previous Raspberry versions I did that simply by putting display_rotate=1 to config.txt, but when doing this on ...
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How can I get my new Raspberry Pi 4B to output 1080i video

I finally got into the Pi world with a model 4B. I've updated it to Raspian/Buster and have the network working (wireless and wired - but just using wireless right now). I'm running it using VNC-...
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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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wireless display for MAC

I have a MAC and I am looking to add two additional displays to my laptop without having to run cables to it. Is there an app or something I can install on my Raspberry pi to be able to use it as a ...
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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 ...
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How can I custom set my 7'' touch screen to the resolution of my preference (custom)

I have an LCD Display that is 7" but I want to set the resolution to 1024x600 but I can find a way how
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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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