Questions tagged [touchscreen]

Use this tag for questions about touchscreen compatibility, and how to use compatible touchscreens with the Raspberry Pi.

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Pi 4, Hifiberry, and touchscreen power

I recently finished my basement and am in the process of getting it all configured, and one thing I wanted was to build a Raspberry Pi streaming device. I got a 3D printer for Christmas and found this ...
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raspberry pi official display not working on bullseye

The 899-74666 containing a "Raspberry Pi Display V1.1" [edit] I've updated this quite a bit now and settled on rolling back to a Buster installation. I'll leave the question up incase ...
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Touch screen bug (using to display system screen)

I'm trying to display my raspberry screen on a LCD touch screen. I followed http://www.lcdwiki.com/3.5inch_RPi_Display#Driver_Installation\ On this link there is a video showing it working properly, ...
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Screen display issue,

My sons new raspberry pi works perfectly on his 26" monitor. unfortunately it looks like this on his new 7" waveshare touchscreen. I haven't got a clue, can anyone help?
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PI 3 B+ boots, shows welcome screen then screen fades to white

I am using the 7" official Raspberry pi touchscreen. I have checked all of the connections. When I plug the pi into an HDMI screen it works fine, but if I connect the 7" screen via the ...
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Raspberry Pi 4 Model B 7inch Touch Screen Problem

I connected a Raspi v1.1 2015 Touchscreen to Raspberry Pi 4 Model B. I installed "https://github.com/pimoroni/python-multitouch" library and trying to get pixel points of touched points on ...
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Waveshare 1024x600 V1 HDMI Capacitive touch screen

Complete newbie though some small experience with Linux Mint, DOS and other systems. RPi 2B and above screen were a gift to my son many years ago but never used. I am now thinking of using it for ...
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Is there another Interface adapter/alternate driver board for PI 7" screen to take input from VGA or HDMI source?

Is there a driver board or an adapter to get VGA or HDMI into the standard Raspberry Pi 7" screen? It seems like the PI DSI interface may be proprietary? I am unsure as the screen doesn't come ...
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310 views

7" touchscreen fades weirdly in the middle of booting on old Model B

I have an old model B I'm trying to connect to a 7" touchscreen. I put a brand new raspian lite image on an SD card, then followed this guide to get everything working (almost). It starts by ...
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2answers
365 views

Blank touch screen after upgrade to Bullseye

I have for many years been using the official Raspberry Pi touchscreen with a Model B+ Pi. I recently upgraded the OS to Bullseye and the touch screen no longer displays anything. When I boot the Pi I ...
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Best enviroment for touschreen desktop app

I am planning to create a project where I would connect 6 GPIO's pins to the raspberry PI and some Analog Inputs to read sensor data, I would like to display those information on a desktop app with a ...
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Raspberry Pi 3 B+ with Raspberry Pi OS (32 bit) screen fades out while booting

I've installed the official 7" touch screen on my Raspberry Pi 3 B+. I used the Raspberry Pi Imager to put Raspberry Pi OS (32 bit) on a SD card and while booting, the screen fades out to a black ...
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CM4 - no touchscreen

I had a Raspberry Pi 4 with a generic 7” touchscreen and it worked fine but it broke so I copied the system (LineageOS) to CM4 module, enabled USB and it works. Beside the touch function for the ...
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Get raw touch data from display into RPI zero

I am using 7Inch HDMI Touch Display with RPI zero. I want to pass the pixel data ( or anything else related ) where touch is sensed to another device. I could not find related information. Is it even ...
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Touchscreen application for Raspberry3B

I am looking to create a touchscreen application on Raspberry 3B or Raspberry 3B+. My concern is can we create it using PyQt5 and using buster as OS, and how can we use on screen keyboard just like ...
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Are there good actively maintained linux based OS that have great touch support especially for Raspberry Pi 4?

I have been working with the official Raspberry Pi touch display and I must say that it is not as sensitive, responsive or fluid as I expected. After researching about it on R-Pi forums I realized ...
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Raspberry Pi Official 7” Monitors not working

I am having trouble getting 2 Raspberry Pi Official 7” TouchScreens to work. I have tried them each on 2 different Raspberry Pi 4s with multiple Ribbon Cables making sure they are in the correct ...
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Automatically pop-up on-screen keyboard at login and desktop applications text fields Raspberry Pi 4

I'm using Raspberry Pi 4 with Raspbian OS. How to automatically pop up an on-screen keyboard at login and desktop applications text fields like on an android? I have tried this method but it didn't ...
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PI 4 Touchscreen unresponsive after first boot

this is my first post here. I recently got a Raspberry pi 4 B 2018, 64bits & 8GB ram. With this I have a touchscreen that I plugged in the "DISPLAY" ribbon cable socket. So far so good. ...
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Raspberry Pi 4 Touchscreen Not turning on

So, I recently decided to upgrade an old project from a raspberry 3 to a 4. This raspberry Pi is powered over Ethernet and needs a touchscreen attached to it. After I connected the PoE hat and the ...
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33 views

Driver corrupts OS

I've been working on a PI project, I am using Waveshare 7" touchscreen, now I need to download driver to enable touchscreen, I tried downloading it from their website: https://www.waveshare.com/...
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28 views

How do I turn touchscreen on and off while pi is running?

I have this touchscreen: http://www.lcdwiki.com/3.5inch_RPi_Display How do I turn the touchscreen on and off when I want? All the guides I read were about turning an HDMI screen off (I can already do ...
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Scope and challenges to connecting small but zoom-able touch-sensitive display to Pi 4 HDMI output for setup and focus?

note: Not a shopping question, I'm trying to find out if 1) this is possible and 2) what the scope of the challenge to setting this up is, before I go out and buy a screen or the wrong screen. I have ...
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Raspberry pi waveshare7 inch touchscreem lineage os

I'm recently using raspberry pi with lineage installed on it . When i connect to tv as monitor every thing is perfect. But when I'm using wave_Share 7 inch touchscreen. Connection to internet failed. ...
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Problems with Raspberry and touchscreen

I'm working on a Raspberry Pi project and I need to use touchcreen, I got 7" Waveshare touchscreen, I plugged it in my Raspberry Pi (via GPIO pins) and touch didn't work... I went on their ...
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FM Receiver with raspberry pi

I was wondering if there was any way to make a software-only radio that will use all the components included in a raspberry pi 3B+. I've been doing some research and all of the FM models that I found ...
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1answer
635 views

How to control raspberry pi 4 GPIO pins by running android application in the rpi and in mobile?

I am trying to build a project based on IoT. My goal is to trigger relays connected to GPIO pins in rpi4 by using an android application running in rpi4 itself which can be accessed with an official ...
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48 views

touch 7" rpi display does not wake up when in console after rpi display goes blank

I am running Pihole+PADD on my Rpi with Raspberry 7 inch touch display on a continous basis. For power and screen save reason I have activated blank screen after 300 seconds through raspi-config, ...
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11 views

Openbox chromium browser Companion emulator

Do you have a solution to select a window part of a web page and take that on full screen with OpenBox chromium browser? You can look on photos why.
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154 views

QT Creator - Raspberry Pi - 3.5" TFT - Could not initialize egl display

Please forgive my ignorance but I'm new to Raspberry Pi/Linux. I'm trying to make a touch screen app for the Pi using a 3.5" touch screen (xpt2046) and QT Creator (5.12.5). QT Creator is running ...
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57 views

Kiosk-mode with CLI

I am writing a command-line application using NCurses and I have a Raspberry Pi with a Kano "Make Your Own Tablet" kit which is essentially a touchscreen with some accessories attached. I ...
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Official Raspberry Pi Touchscreen display - Touch not working on the right of the display

I recently changed from HDMI display to official PI display. Although I was using this initially with keyboard and mouse, later I see the need for using touch. What I found was the touch was not ...
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51 views

How to full screen the app window in Rpi 7in TFT

I'm currently working on an app for rpi using kivy that will be displayed in a 7in TFT. I used the 7in TFT resolution as window size (800,480) I am developing the code in windows pc since coding it in ...
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1answer
39 views

Backlight control with 2.4 Inch display

I have 2.4 Inch display attached to a Raspberry Pi 3B+, it totally works, but I've noticed that when raspbian turn off the display, the backlight led is still on. There is a way to control the ...
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1answer
2k views

Set custom screen blanking time

I have a Raspberry Pi 4 with the official 7" touchscreen with the latest Raspberry Pi OS installed. In the GUI, I've turned on Screen Blanking. It does exactly what I want -- the screen's ...
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1answer
88 views

Most compatible/supported I2C based touchscreen to emulate?

Without going into boring details, I need to get a touchscreen input into a Raspberry Pi which will be "faked" by a microcontroller - so the micro is reading some input and translating it to ...
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32 views

Howto setup a touchscreen as pure display?

I have a Raspberry 3B that I am using with VNC. Now I want to use the 3.5inch RPi Display as a pure output device to display graphics, not for displaying the desktop on it, just using it as a ...
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1answer
250 views

How can I rotate my screen with OctoDash installed?

I want to rotate the touchscreen on my Pi4 with Octoprint and OctoDash installed on to. I've opend the file /boot/config.txt and added the line "display_rotate=2", but nothing happend (yes I ...
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Touchscreen on Zero W without X?

I'm designing a Raspberry Pi Zero W project with a touchscreen. I want to use this screen. Would there be a way to use the touchscreen on that without having X? I'll be using /dex/fbX for the display.
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329 views

Official Raspberry Pi 7" Touchscreen Display not working

I have bought an "Official Raspberry Pi 7" Touchscreen Display" and a raspberry pi, i have flashed the sd card with Kali Linux, but when i turn the pi on, there is nothing, but a white ...
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1answer
32 views

Twin touchscreens on Pi 3/4

I'm looking at a project where I will need to drive two separate displays from a Pi, both of which are touchscreen - specifically GT911 type on a separate I2C connection. This will almost certainly be ...
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RP 4 connecting to Asus ZenScreen monitor issue

I'm very new to RP and I recently bought a new RP 4 and wanted to use a portable touchscreen monitor with it, but I wanted something bigger than the 7-10" ones I saw. I went for this one after a ...
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1answer
39 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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80 views

Difficulty executing command when raspberry pi loads

I have a raspberry pi 4B attached to a 7" raspberry pi touchscreen via the provided ribbon cable. In my application, I have my touchscreen rotated 90° by using display_rotate which is working ...
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1answer
168 views

Real touch inputs

I'm developing a touch first website which I plan to display on a raspberry pi using a touchscreen. When I tested the website on the pi (raspberry pi os) using a waveshare touchscreen, the website ...
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1answer
148 views

How to deal with VNC login issues and error

I'm doing a project with a Pi 4B, the official touchscreen and the latest version of Raspberry Pi OS. I would like to connect to the Pi via VNC (RealVNC Viewer on Windows 10) at a higher resolution ...
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323 views

How does the Kedei 3.5" 800*480 SPI touch screen version 1.1 work with a Pi 4?

I am trying to set up a Kedei Raspberry Pi Display version 1.1 2017/10/10 Type 3590 (horizontal 800*480px) with my Pi 4. Unfortunately, I didn't manage to get the Touch Screen running on SPI. The HDMI ...
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1answer
464 views

Rotate HDMI Touchscreen on RPi3 (Balena OS)

I’m trying to use the raspberry pi 3 in kisok mode on a 27" hdmi/touchscreen display on portrait mode I’ve managed to rotate the display with the configuration ...
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1answer
2k views

Chromium and virtual keyboard with automatic popup

I want to run Chromium in full screen (kiosk) on Raspbian Stretch. I have a touch screen and I need a virtual keyboard to popup when I enter a text field. On Debian 9, I have gotten this to work ...
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1answer
58 views

Mirror imaging the Raspbian desktop for GPIO screens

How can I make the raspbian desktop look like I am viewing in front of a mirror? (basically backwards) I've already looked in the documentation for config.txt (here is a link) and tried to use rotate, ...

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