Display relates to the use and output of display systems for the Rasberry Pi. The built-in video connectors are HDMI and RCA composite (yellow plug).

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mini display with OpenGL support to run Qt gui applications

I am developing a Qt gui application to run on my RPi2 board. I followed the instructions at RaspberryPI BeginnersGuide to crosscompile Qt. The requirement is to run the application on a mini (2.8" ...
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19 views

Increase Performance of 4x4 LED Matrix (Multiplexing with pi4j)

I have coded a Display-Class to drive a X by Y LED-Multiplexing-Matrix with pi4j. However, I when driving a 4-by-4-Matrix I cannot get the framerate beyond roughly 30 fps, which still produces a ...
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30 views

Output video on an external display without installing a desktop environment

I am planning to play video on a display that is connected to Raspberry Pi like this: Pi - HDMI -> AdapterBoard -> 40pin cable -> square display. Currently, when I am connecting an external screen ...
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1answer
145 views

GUI on HDMI monitor doesn't work after installing the LCD display drivers

After installing the LCD display drivers, I cannot start GUI on external monitor connected via HDMI. A solution to this problem will probably be a solution to a more general issue I have. So, is ...
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1answer
48 views

Use iPhone/iPad or Android phone as a Raspberry 2 display?

I'm not talking about VNC but a real time monitor use the HDMI/USB port or other ways.
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2answers
51 views

Can I use usb port for display purposes?

I want to buy a new Monitor for Rpi. I don't have budget for HDMI monitors not even for powered HDMI to VGA converters. So can I use vga to usb data cable and use it with powered usb to connect ...
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63 views

How to make an external monitor working while lcd display is connected? [duplicate]

I have a touchscreen lcd display connected to Raspberry PI 2. Everything works fine: os is booting etc. If I connect an external monitor via hdmi, I get some output on the monitor and some output ...
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2answers
32 views

Can I re-use the GPIO pins that are driving an LCD display?

I want to ask if I connect the LCD display to the Raspberry Pi, the pins that the display uses to work, am I able to use them for other stuff? For example, to connect 433 MHz receiver and have the ...
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1answer
63 views

White screen on touchscreen display

I connected my 3.5" touchscreen display to the raspberry and nothing appears on it. When I start the raspberry, only the white screen appears and doesn't disappear. However, connecting an external ...
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2answers
24 views

Cannot get graphical program to start up on boot

I'm trying to get a graphical program called r3-view to start automatically upon boot on the Raspberry Pi. The following line works from an SSH session to display it on the SPI display: DISPLAY=:2.0 ...
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35 views

Raspberry Pi real time display circuit [duplicate]

I have Raspberry PI (b+ and 2) and I would like to have Multiplexed 7-segment display (homemade - at least 8 digits). Principle: but I want it runs on different realtime circuit. Simply: I will send ...
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1answer
40 views

HDMI to VGA adapter power

I have a Raspberry Pi Model B, and I would like to plug it in a VGA computer monitor. I have been reading about this subject, but I am no expert in electronics, and so I am afraid I might end up being ...
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1answer
99 views

16x2 LCD displaying blocks when connected with MCP23017

I am using a 16x2 LCD and have it connected with MCP23017 16-bit IO port expander. To display message to the LCD, I am using Adafruit LCD library. The also have a test python code to get it working ...
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41 views

Flashing pixel on desktop and Kodi

Since today I have lots of pixel flashing on my desktop (under Raspbian and raspberry pi 2 B). Yesterday everythings were fine, but I was doing some stuff on php and other things ... and today here I ...
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1answer
65 views

Raspberry Pi and iMac display

A customer at my work has donated us a iMac G5 because it didn't do anything. We want to test if the display is still working, but I'm not sure if it will work. Does someone know if it is possible to ...
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53 views

Control LCD brightness via Raspberry Pi

I have bought a display from Adafruit. It is a HDMI 7 inch touchscreen display. Is it possible to control the brightness of the display via written software on Raspberry Pi OS? If so, any advice or ...
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2answers
49 views

Use Laptop screen without Dismantling the screen

I need to keep the set-up clean. I did my homework and came across both of this and this post and both of them did not exactly solved the problem. The first one solved the problem dismantling the ...
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31 views

HDMI switching Board

Quite simply I would like to have a board, if one exists, that i can plug my TV stream (the cord that comes from my cable box) into the Pi and have an HDMI come out of the pi to the TV. Using python ...
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1answer
29 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 ...
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2answers
37 views

Can't get VGA monitor to display anything with passive adapter

I have an old monitor that only takes VGA, a passive adapter from HDMI to VGA and a Raspberry Pi B with the most recent version of Raspbian. I followed this guide: ...
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2answers
134 views

Change default HDMI mode of monitor output

I'm currently trying to set up my Raspberry Pi with ArchLinuxARM. Everything went fine so far but the display has a horribly low resolution, 640x480! I'm using a HDMI to VGA converter box and an Acer ...
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3answers
158 views

When using display_rotate=1 half the screen is black

I've setup my Raspberry Pi as a kiosk, on a portrait-mounted HDMI TV. After setting display_rotate=1 and the GPU split to 128MB in /boot/config.txt the screen is now the correct orientation. However ...
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1answer
57 views

GPIO ground on adafruit TFT hat screen

I recently got this hat screen for my B+. It has headers to use the GPIO pins that aren't used for the screen. The screen works well, but I want to make use of the other GPIO pins. The only problem ...
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2answers
50 views

Set up my Raspberry Pi B+ with my using my laptop's keyboard and monitor [closed]

I don't have a keyboard or monitor, so I need to use my laptop as a monitor, keyboard and mouse instead. How would this be achieved?
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3answers
113 views

how to start xclock (or something else) to be displayed on my HDMI device on Raspbian console session?

I have a raspberry pi 2 and installed the Raspbian Version from 2015-05-05. As "boot option" I chose "Console Text console..." because I don't want a full desktop. I logged in from my remote PC via ...
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1answer
118 views

Power on display results in blank screen

I'm currently trying to write a simple script that turns on and off my monitor connected to the rpi via hdmi-to-dvi cable. I can turn off the monitor without issue using: tvservice -o However when ...
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1answer
182 views

Kindle's E-Ink display connected to Raspberry Pi B+

I have broken Amazon Kindle with working eInk display and is it possible to connect it to Rasbperry Pi B+?
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1answer
58 views

RbPi2: Kybd does not reliably wake screen, where's the file?

Raspberry Pi 2, noobs GUI, powered J5create HDMI adaptor going to an old GatewayFPD1750. The Xorg server blanks the screen after about 10 minutes. I can mess with that timing as described here: ...
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1answer
268 views

e-ink display for raspberry

I would like to display some actual temperatures, humidities, time and maybe some graph permanently on the wall. Does there exist some larger (like 12'') e-ink display for RPi?
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133 views

Wiring TFT Display to Raspberry Pi 2

I just need some help wiring this TFT LCD for the Raspberry Pi. I want to use it as a console/x display. I've Googled and read through everything I could find on SE, but I can't apply what I find to ...
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144 views

Motorola Lapdock - alternative

Raspberry Pi Can be connected to motorola-lapdock console, and turned into functional laptop. And it is great to have modular hardware to combine by own needs. But for last 3-4 years, lapdock is ...
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177 views

Screen Flashing

The screen flashes/blanks randomly, when It flashes, It goes blank and stays in blank for like 2 seconds and screen comes back again. But again after having 1 second of screen, it goes blank again. ...
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2answers
426 views

How can I use a LCD display with a I2C adapter?

I'd like to try to communicate to a 16x2 LCD display, however whole docs I found assume I should connect the whole pin-out however I got some kind of I2C adapter from mjkdz.com which makes a 4 pin ...
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3answers
375 views

How to connect 7-segment 4-digits display with Pi?

I would like to connect such a 7-segment 4-digits display (with common anode) to the Raspberry Pi: What's the simplest way to do it with Python for example? Do I need the RPi.GPIO package? Is there ...
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1answer
16 views

apply video settings for specific monitor model

How can i change the display settings when using a specific monitor model? I frequently use my raspberry pi with different models of monitors, and at home i use a vertical widescreen monitor. i want ...
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51 views

suddenly no connection to Raspi and black screen

I have my Raspberry Pi (model B) hooked up via ethernet and everything is working. I usually use ssh with my pi. Every three to four days, I get an error like: ssh: connect to host 192.168.178.52 ...
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218 views

Can I connect my Innolux LCD to my TFP401 HDMI/DVI Decoder 40-Pin TTL Breakout?

Setup Raspberry Pi 2 TFP401 HDMI/DVI Decoder to 40-Pin TTL Breakout - Without Touch Innolux 5.6 LCM aSi TFT type LCD I am hoping to be able to connect the Pi2 to the Driver using a small HDMI ...
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2answers
218 views

Controlling kernel interface 4DPi-32 display

I bought a a SPI controlled display 4DPi-32 [1] and compiled a kernel patched with the driver source [2] provided by the vendor (because the provided deb does not work with RPi2). I had to adapt the ...
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438 views

SunFounder Raspberry Pi CPU/RAM Display Mini LCD 84*48 PCD8544 Shield For Model B+/B

this display is driving me nuts! i almost tried all available samples/libraries. the only one i got working was this one https://github.com/ronanguilloux/Raspberry-Pi-Utils all the other ones ...
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216 views

Different “Adafruit 16x2 Character LCD + Keypad for Raspberry Pi” Python Libraries & Sunfounder plate

I have the SunFounder I2C interface 16x2 LCD Pi Plate with KeyPad with RGB LED for Raspberry Pi plate (this model available at Amazon (sorry I have only the german link - the picture is showing the ...
2
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1answer
34 views

Faster display shut off

When I tried to use tvservice - o to turn off my screen which worked but when I used tvservice -p to turn back on it didn't work. Is there any way to change the time it takes to turn off the screen? ...
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757 views

Retropie Retroarch Emulator PSX and N64 too small resolution

I'm new to the Raspberry Pi and just got a RP2, with a retropie image. I installed an N64 and PSX rom to test it out and they work perfectly BUT for the size on my 40" 1080p TV. This is what I get: ...
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225 views

1602 LCD display initiating

I bought an assembled 1602 lcd display which should work with the Adafruit codes (http://www.banggood.com/Negative-16-x-2-LCD-Keypad-Kit-RGB-Backlit-For-Raspberry-Pi-p-960166.html) I downloaded the ...
3
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2answers
763 views

Can I run a terminal command from ssh to open the browser on X server?

I've hooked up the raspberry pi to a display. I have ssh'd in from another machine and I was wondering how, if possible, to open a browser window via epiphany http://example.com from my ssh session ...
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1answer
310 views

Getting a 1.44" TFT ILI9163C screen to work with SPI

I am working on getting my very very very cheap chines display working. As far as I can tell, its a TFT 1.44" 128x128 SPI display (printed on the board) - and the internet seems to direct me towards ...
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1answer
372 views

Connect an android tablet touchscreen to a pi?

I have an android tablet (versus touchtab 7v dc) that unfortunately doesn't work any more. I wanted to know if there is any way I can salvage the touch-screen from the tablet and use it as a display ...
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2answers
2k views

Is it possible to connect to a display port?

I bought a HDMI to DP cable to connect my Raspberry Pi 2 to a screen with Display Port. Unfortunately I get no output on the screen. Is it possible to connect the Raspberry Pi 2 to a screen with ...
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1answer
633 views

libCEC not working on LG TV (LD330)

I've just installed libcec on my Raspberry Pi B+ with (raspbian on it), following the instructions from here (https://nyxi.eu/blog/2013/04/15/raspbian-libcec/). I want to be able to turn on/off the ...
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1answer
69 views

Is there a Low-Def HDMI monitor for Raspberry be that is not more expensive that RPi itself?

There is HDMI Pi, a "1280x800 Affordable High-Def HDMI screen for Raspbery Pi", but I feel it would be still even more expesive than the RPi itself. Are there Low-Def 480x320-ish HDMI screens that ...
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1answer
131 views

How do I get monitor to display true black? [closed]

When I change the brightness setting to 0 black #000000 displays as true black with no light coming from the screen. Unfortunately white also dims quite a bit. When I set brightness to 100, black ...