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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Driver for HelTec E-Ink display

I was given this SPI e-ink / e-paper display from HelTec and am trying to make it work with RPi. Apparently there’s a driver for Arduino but I would very much prefer to connect it directly to RPi and ...
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What connectors needed to mate Pi4B to KVM switch with video on DB-9 and P/S2 keyboard and mouse?

First off I don't even have a Pi yet, ordered it yesterday. I've 2 PIIIs on the desktop and a Sony SDM-HS73 display all tied together througn a KVM switch that takes P/S2 connectors for keyboard and ...
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How to change the size of the icons on the taskbar/panel, using themes?

When I change my system theme from "PiXflat" to "Adwaita-dark" using "Customize Look and Feel" the icons for Bluetooth, network, volume control, menu, and digital clock ...
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Blue screen over VGA monitor connected to Pi

I recently bought new raspberry pi 4 2GB and micro hdmi to vga converter. Once i try to connect pi to monitor using converter, os boots perfectly, but over whole monitor screen is light blue color ...
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3.5 Inch RPi LCD with colors problem

I've just installed a 3.5 Inch RPi LCD (A) V3 (XPT2046 Touch Controller) on my Raspberry Pi 3 Model B+ and I'm having problems with the colors of the display. I'm attaching an image to show you. I'm ...
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No Custom Horizontal Resolution Below 800?

On my RPI 3 I can edit /boot/config.txt and use this to get my desired resolution of 400x200. hdmi_group=2 hdmi_mode=87 hdmi_cvt=400 200 60 6 0 0 0 hdmi_drive=1 However on my 3B+ it results in a ...
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xset s reset in bash file on Raspberry Pi

I am attempting to write a bash script file I can execute though node that will turn on the screen on my raspberry pi. The current code is as such: #!/bin/bash #resets the screensaver i.e. turns on ...
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What is the display variable for the PiTFT?

I am trying to run my simple GUI on my PiTFT display. import Tkinter as tk root = tk.Tk() root.resizable(height=320,width=240) tk.Label(text="FUZE",font=("Courier", 44)).grid(row=1,column=1) root....
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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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ST7789 Display on Raspberry PI 3

I just got an ST7789 240x240 display and i can't get it to work with my PI. i'm using this library: https://github.com/DjamesSuhanko/Python_ST7789 i installed all the python dependency's When i ...
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Lubuntu on Raspberry Pi 4(arm64) Display Resolution Setting

My Pi is running Lubuntu 20.04 LTS. It does not fit to full screen to my 1920*1080 monitor. The system is using 1824*984. And this is the only option it provides. Now there are two black strips on ...
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How I can identify and set a needed display module which was missing on boot time?

Summarizing the problem Can't identify a needed display module which is loaded within the initramfs on boot time. Providing details and any research After fixing the problem on the surface using ...
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How can I re-recognize my Raspberry (4 Modell B) display (Bruphny 4.0) like it was recognized per default with a fresh Raspbian Buster install?

1. Summarizing the problem No display (https://www.amazon.de/gp/product/B07XPM2ZS3) after LVM tutorial anymore. 2. Providing details and any research After using this Tutorial (Easy backups and ...
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Can the Raspberry Pi 4 cast to a wireless display using Miracast?

Can the Raspberry Pi 4 cast to a wireless display that supports Miracast? If so, how can this be done?
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How can I put the official 7" touchscreen in portrait mode?

I've been told to put lcd_rotate=1 in the config.txt but that doesn't do anything. lcd_rotate=2 correctly flips the screen 180 degrees. And display_lcd_rotate=1 rotates the screen how I want but the ...
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Scaling down Raspbian for Adafruit PiTFT 1.14"

I want to use the Adafruit PiTFT (click here) 1.14" with the Raspbian Desktop. How can I scale the Raspbian Desktop down so that it will be normally sized on the 240x135 px screen? An example with ...
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Could not get EGL Display - Starting RetroPie

I have manually installed RetroPie, using the terminal and some tutorials.. Finally ready to start everything up... and then get this error: Error Creating SDL window! Could not get EGL display ...
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raspbian on 1.3 spi serial oled display

I'm currently running raspbian on a raspberry pi2 b connected to a TFT display. It seemed fun to me to make some DIY smartglasses, but for that I need a smaller screen. So I want to display raspbian ...
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Error installing fakeXrandr library on Raspberry Pi (Ubuntu OS)

I have successfully installed a ubuntu image on my Raspberry Pi 4. I am trying to do some screen customization, and so as a result I'm looking to install this project, fakeXrandr: https://github.com/...
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Pi 4 thinks I have 2 displays?

I'm sure there is a better way to ask this, so I apologize in advance! My Pi 4 seems convinced I have 2 displays connected. I can change the resolution for HDMI-1 and HDMI-2, despite just having 1 ...
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ERROR on oled + 0.96 display: different mode has already been set!

I made two programs separately, but when I tried to put them toguether, the following issue came up: Traceback (most recent call last): File "/home/pi/CalculadoraDefinitiva/botaoLed.py", line 159, ...
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How to turn Raspberry Pi 3's HDMI output to monochrome?

I'm running a Raspberry Pi 3 with its HDMI output connected to a TV. I would like to change the output from present colour to black and white ( monochrome ).
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Monitor not recognized by other devices after having connected my raspberry pi 4

I have a weird problem and I simply can't find any solution to it: I use a Fujitsu Siemens monitor with a dvi to hdmi cable which works just fine with all my devices. However, after I connected my ...
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My raspberry pi HDMI is not working. What are my other options?

I got this old Raspberry Pi B+. One day, suddenly the HDMI stopped working completely. I know it boots up because I can still ssh into it. The thing is, I have no AV cables for alternate input. I ...
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4 HDMI display via USB

I want to use 4 HDMI small display modules on raspberry pi 4, but if i supply enough power to power on 4 display to raspberry pi, will display modules work well? Those 4 display modules will act as ...
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1answer
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Get metainformation at boot-screen

I asked myself if there is a possibility to get metainformation of the raspberry Pi (like IP4 Adress, MAC Adress etc.) displayed on booting process. Maybe extended with a timeout to read the ...
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OLED Boot Splash Screen

I am currently controlling my 128x64 Monochrome OLED Display via SPI via a Raspberry Pi and it is working successfully so far. I am currently in process of trying to get the Display to show an image/...
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Connect flex cable to raspberry

I have an old tablet Galaxy Tab GT-P1000 and I would like to ask if it could be possible to connect to raspberry? Size of flex cable looks similar... Amazon
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4 inch LCD / touchscreen not working correctly

I have been trying to get a 4" LCD touchscreen (allegedly a waveshare 4inch HDMI LCD device, 800x480 + XPT2046 controller, but no branding, so who knows) working with a pi 3b to no avail. The problem ...
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Pixel doubling on 4K Monitor - Mouse, general UI laggy

I'm trying to use a 4K monitor with a Raspi 4 B rev 1.2, so far I was able to find out that I need to use the pixel doubling in --> Preferences: Raspberry Pi Configuration: Pixel Doubling Once that ...
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How to connect “FPV Night Vision QVGA 320X240 Monocular” to raspberry 4?

I am working on a project which need this module to be connected with raspberry pi 4 or 3. I tried some to convert into single RCA cable (worked) but I want to convert it into HDMI. I am unable to ...
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Problem with DIY Smart Glasses Projection module

I am making Smart glasses which will display android app, click pictures, notifications and many more, and which is to be displayed on a small prism I searched a lot of posts online, many of then ...
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3.5 inch DPI display setup on Android things. How to?

Hi please help with installation display to my Raspberry. It perfectly work with standard OS but I doesn't understand how to install it to Android. Display connected via GPIO. Does it general ...
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Controlling LED Matrix display with TF-S6UW0

I am using Rasberry pi 4 (4GB RAM version). What I am trying to do is be able to set the text of the matrix screen using a command or by calling a script (preferably in python). I am using a P10 ...
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Turn off HDMI output after receiving HTTP GET request

I'm building a security camera setup, and am displaying the camera feeds (RTSP streams) using a Raspberry Pi. I only want the display to be active when a motion event is triggered - this is handled by ...
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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-show....
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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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456 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 ...
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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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