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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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I2C Detect shows that Rasberry Pi keeps assigning the same address to 2 devices

I'm trying to hook up 2 Adafruit Quad Alphanumeric displays to my Rasberry Pi 3 B+. From what I understand, all I need to do is hookup the displays in series to the SDA SCL outs, and the I2C chip is ...
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raspberry pi display reverse color issue

my problem with the Raspberry Pi Official 7" Display: In this page I found this: My display fades out to weird patterns when I shutdown/reboot my Pi. Don't panic! This is perfectly normal. ...
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18 views

When powering up my raspberry i dont get a screen

When you plug in power cabel and hdmi with no SDcard will it promt on screen? Or do i need an OS to even get it to promt? Just got mine and i cant get it to promt on my screen.
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Pygame initalisation for TFT on /dev/fb1 only succeeds as root

I connected a 320x240 TFT to my Raspberry Pi A+ running Raspbian stretch via SPI and set it up as fbtft_device. It shows up in /dev/fb1 and I can write images to it via pygame. I initialize it like ...
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21 views

Raspberry pi 3B+ RCA noisy video output

I am working on a project in which I would like to connect my RPI to an old CRT TV, For this, I am using a 3.5mm to RCA composite cable. But when I connect my raspberry pi and TV the output on so ...
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31 views

where to buy the raspberry pi 7" touchscreen display board separately?

My raspberry pi 7" touchscreen display board black plastic connector (BROWN CONNECTION ABOVE RPI DISPLAY LETTERING) that holds the ribbon to the raspberry pi broke and I am looking for a replacement ...
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66 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 ...
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31 views

Raspberry pi and HP f24 monitor problem

Lady and Gents, i have HP 24f monitor. I connect RPi using HDMI. But it does not show continuesly. From time to time it only appears for 1 second and then disapear. Some times very often, then ...
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29 views

Ripped off display connector, raspberry not working anymore?

i am using a Raspi 3b v1.2. I ripped parts of my display connector off by accident and then removed the whole thing with pliers, because i will never use it anyways. Now my raspberry won't boot. Is a ...
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20 views

Touching on display does not work?

i got an Raspberry Pi with a display on it. The display is a WaveShare SpotPear LCD (A) V3 and connected through the pins on the Raspberry. It works great and also when I move the USB mouse, it works ...
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24 views

How to do I reenable display sleep?

I recently installed a Hyperpixel touchscreen on my Raspberry Pi 3, but I don't want to leave the screen on 24/7 to avoid damage and because an always-on display doesn't fit my use case. Before I put ...
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Pi freezes when setting defaults for large screens, broken pipe message

I ssh into my Pi to run on my laptop with RealVNC. I have a 4K display so everything is very small, almost unreadable. I can expand the window but this makes things blurry and it's annoying to have to ...
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40 views

Raspberry Pi 3.5 Inch Display Works on Pi 2 B but not 3 B+

The exact screen is this one. http://www.neosecsolutions.com//products.php?28 On a Raspberry Pi 2 B it boots to raspbian. On the 3 B+ it gives a white screen, The Raspberry Pi 2 B has a white screen ...
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19 views

Basic 2, 8, or 16 color, wired display

Wondering what the most basic display is that you can get that works with the machine. I see stuff like this but everything seems to be full color. Wondering if that's just how it is or if there are ...
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23 views

TFT display for Pi Zero using W8BH tutorial

I am a RPi and python newbie. I have been using Bruce Hall's (W8BH) tutorial for a 1.8" TFT attached to a Pi Zero. I have entered the code provided in Part 1 of the tutorial and after several false ...
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45 views

How do I properly attach this 3.2 inch LCD to a raspberry pi zero w

I purchased a 3.2 inch LCD screen from souq.com as that's pelretty much all I have to get a display for the raspberry pi zero w. The issue is, when I attach the board to the pi, all I get is a white ...
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73 views

MacOS Unable to init server error when SSH'ng to Raspberry Pi

I have a project where I have created a Docker container for OpenCV and another Docker container for my Python codebase which can do motion detection on my Raspberry Pi installed with the Pi camera ...
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Running MagicMirror via HDMI but controlling it via extended virtual desktop

Total linux noob here and at this point without some of the required HW to actually try this out but; I'm meaning to use my raspberry pi 3b (raspbian stretch) as somewhat of a home automation center ...
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Long running raspberry-pi not detected by HDMI monitor [duplicate]

I'm running a process long term on the raspberry pi. I disconnect keyboard + hdmi cable When I want to check on it, I plug in keyboard + hdmi, press a key button then the screen comes up. I have ...
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1answer
22 views

Turning off lxpanel on raspberry pi says “Can't connect to display”

Basically i want to know if i can kill lxpanel on raspberry pi zero to reduce ram usage. (i access it via ssh, not the display) or if it has something required by os. I can't shut it via lxpanelctl ...
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73 views

Is it possible to power a 3b+ and the display with the poe hat?

For a project I would like to power the 3b+ and the official 7” touch display using the official POE hat. I figured that I could connect the display board to the pi via the jumper wires to 5v and GND ...
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70 views

What is the pixel format for Raspberry Pi framebuffer

Good afternoon, I'm trying to programmatically display an image to a 3.5 inch TFT display mounted on /dev/fb1 using the following code: Using trial and error I determined the pixel width to be 16 ...
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178 views

Raspberry Pi 3 Model B+ goes to black screen after a short while of inactivity

It ranges between 10 to 30 minutes. It is attached to a TV via HDMI. The monitor will go black. Moving the mouse of tapping the keyboard of the Raspberry Pi will "wake up" the screen pretty quickly. ...
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1answer
65 views

Setting official touchscreen display boot-time brightness

I've got an official display, and having found other questions about setting the brightness I know I can change the brightness, and make a script that will run on boot, but that means the screen will ...
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40 views

Is there a limit on Raspberry PI's display size?

I have been using Raspberry PI 2 and 3 for the last year and a half with no problem. However, over time I have noticed that different sizes of display connected to the PI effected how my software ran. ...
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42 views

How to get 3.5PiTFT and 2.8PiTFT to work on Raspbian Jessie 8?

Whenever I download Raspbian Jessie 8 and install it, it automatically works with 7inch display and a full up monitor through ribbon cable and HDMI cable respectively. However, when I plug in the 3....
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57 views

Screen Auto-Dimming not working

in my /etc/lightdm/lightdm.conf file, I added two commands #Disable Screen Auto-Dim xserver-command=X -s 0 dpms #Disable mouse pointer xserver-command = X -nocursor But, only the -nocursor command ...
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116 views

Automatic startup browser

I have a script that starts iceweasel with a certain webpage if iceweasel is not already running. It should start iceweasel on the local screen, in other words the screen plugged directly into the ...
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1answer
133 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 a xorg desktop session when connected to an ...
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30 views

Connecting 45pin RGB interface to Pi

I have a TFT display I am using which comes with a 45pin FPC connection. My current setup has this controlled through an adapter board (provided by the same supplier) which takes as inputs: SPI for ...
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1answer
111 views

Display controller for HDMI shows no signal only for Raspberry

I'm bought a (notebook) display LP171WP4 (TL)(01) and a display controller. Both are working if I connect it to my Macbook via HDMI. But with the Raspberry PI 3 B it doesn't work. The display is on ...
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How can I power off the RaspBerry Touch Display in console?

I am using a RaspBerry Pi 3, which does not have X enabled. How do I turn off the display? In x86 PC, tools like vbetool would do it. But it does not seem available.
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119 views

USB RS232 turn on/off beamer

I'm streaming a video to a beamer. But I want it too turn it off after office hours. I found /opt/vc/bin/tvservice -o and /opt/vc/bin/tvservice -p to turn off the screen. But that does not turn off ...
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raspberry pi model b+ Not booting

I recently bought a raspberry pi 3 b+ from amazon and when I got it delivered the package was already opened, so I just want to check if my raspberry is working or not so I formatted a compatible sd ...
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1answer
42 views

EGL surface limitation size

I wanted to show text over omxplayer on fullHD screen, using separate EGL process. Test program works without omxplayer, but when omxplayer is playing, program shows 'EGL_NO_SURFACE' error. After ...
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193 views

Raspberry Pi Digital Dashboard - Change brightness of display at night

I have created a digital dashboard using a RPi 3B and an official 7" screen. I have found that the screen is OK during the day, but too bright at night. Is there a way to change the brightness of ...
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280 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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3answers
1k views

How to connect laptop as monitor to RPi Zero

I have a non-WiFi RPi Zero and no monitor, but I have a laptop. I saw on YouTube only for WiFi versions. Are there methods to connect it to laptop for that?
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766 views

Raspberry Pi multiple screens

I want to create a setup using a Raspberry Pi 3 where there will be 3 monitors which will have the same output. How can I achieve this?
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72 views

How to fix adafruit 7" display resolution problem on PI3?

I recently bought adafruit 7" display to be used with my PI3 to see if it will work. Well, it sort of works. The screen comes up everything is displayed but the resolution is screwed up. I have tried ...
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1answer
361 views

GUI on an E-Ink display?

I'm currently working on a horticultural project with my Raspberry Pi. I have a fair amount of my project sorted out but still have a rather major part of the project to undergo which is the ...
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285 views

Enable HDMI port and force hot plug using crontab

I have a Pi connected to a Polaroid tv by HDMI cable in order to create a "Dakboard". Now when initially starting the project the TV was acknowledging a signal coming from the HDMI port (ie the no ...
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77 views

Matchbox_Keyboard_FONT_SIZE

I have matchbox keyboard installed on PI-2 with TFT 5 inch screen. It appears the keys should be able to support a LARGER font size. Can this be done and how.
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66 views

The PIL show() method looks for the default viewer. How do I change this to a different viewer (of my choice)?

I am using the Python Imaging Library (PIL), Python 2 and Raspberry Pi 3 B+ My code is simply: from PIL import Image im = Image.open(‘somepic.jpg’) im.show() # display image But the show() method ...
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Motion Sensor + Smart Phone App (cost and skill level needed)

I've no experience with RaspPi, minor experience with electronics, moderately good at coding (web designer) and I'd like to build a hand-eye coordination training device. My basic question is what ...
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45 views

How can I force the Pi to wake a monitor

This question is not specifically a Pi question, but about how to FORCE the Pi hdmi to wake my monitor from sleep, which seems to be a seems to be specific to the Pi hardware, although it may be a ...
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73 views

Slo-mo “scan lines” on RPi 5" touchscreen

I bought a 5" touchscreen from Vilros (who are just reselling the one from Waveshare) and I plugged it in. At first, I had a weird glitch where a little more than half of the screen was Raspbian, and ...
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Is there any way to stream video remotely and display locally simultaneously, and lessen the lag/choppiness?

I am trying to make a infrared headset that can display my usb camera on a local monitor and stream the feed to a hyperlink simultaneously. I want to be able to use my mobile hot spot on my phone so I ...
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1answer
175 views

Waveshare 4.3inch HDMI LCD shows blank white screen

I have a Raspberry Pi 3 model B running the latest version of Rasbian Stretch. Yesterday I've received my Waveshare 4,3 inch display. First thing I did was build it in my project, due to save height ...
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How to connect RPi to display

I recently purchased a LANDZO 3.5 Inch Touch Screen 320480 for Raspberry Pi 3 Model B (3.5 inch) and when I un-boxed it I realized that it had a large GPIO block on the back of it. This GPIO block ...